646 results about "Total thickness" patented technology

Disclosed are a high-barrier inflatable cushion and a preparation process therefor, which related to the technical fields of high-barrier inflatable cushions. The preparation process includes the following steps: material feeding, heating, vacuum counter-pressure molding, spray cooling, air cooling and drying, die-cutting, and thermal bonding. The high-barrier inflatable cushion comprises an airbag forming material and an airbag base material. The airbag forming material is prepared by laminating a TPU-EVOH composite with Lycra fabric, the TPU-EVOH composite has a total thickness of 0.4-0.8 mm, and the Lycra fabric has a gram weight of 150-230 g / m2. The airbag base material is prepared by laminating the TPU-EVOH composite with non-woven fabric, the TPU-EVOH composite has a total thickness of 0.1-0.3 mm, and the non-woven fabric has a gram weight of 60-80 g / m2.

The invention discloses a mirror symmetry correlation receiving radiation metasurface and a polarization and complex amplitude regulation and control method thereof. The polarization state of the receiving and radiating end of the metasurface and the complex amplitude regulation and control method from any polarized wave to any polarized wave are regulated and controlled by controlling the in-plane mirror symmetry of the receiving and radiating metasurface patch structure. The polarization and complex amplitude regulation and control method is realized by a receiving and radiating metasurface, the metasurface structure is composed of five layers of metal and four layers of dielectric substrates, and the total thickness is about 0.086 lambda. Wherein the first-layer structure and the fifth-layer structure consist of circular rings with two pairs of arc-shaped grooves etched at the edges and C-shaped grooves etched at the centers; the relative rotation angle of the C-shaped groove and the arc-shaped groove is changed to control the elliptical angle of electromagnetic waves, the overall rotation angle of the C-shaped groove and the arc-shaped groove controls the polarization angle of the electromagnetic waves, and the opening size of the C-shaped groove is used for regulating the transmission amplitude; the transmission phase is regulated by changing the length of the third-layer transmission line; meanwhile, the four layers of dielectric plates are used for isolating radiation and receiving modes. The metasurface and the method have the ultra-thin characteristic and the ultra-high pixel resolution.

The invention discloses a three-dimensional printing method and three-dimensional printing equipment for manufacturing a target object. The three-dimensional printing method comprises the following steps: curing a first material to form a first part of a first layer in a plurality of target layers; curing the second material to form a second portion of the first layer of the plurality of target layers; curing the first material to form a first portion of a second layer of the plurality of target layers on the first portion of the first layer, the total thickness of the first portion of the first material being greater than the total thickness of the second portion of the second material; the steps are repeated to form a plurality of target layers of the target object. According to the scheme provided by the invention, various risks caused by the positioning accuracy of movement in the vertical direction are reduced.

The invention discloses a multilayer co-extrusion heat-shrinkable film and a preparation method thereof, the film comprises an outer wear-resistant layer, a middle support layer and an inner functional layer, the thickness ratio of each layer is 1: 3: 1-1: 5: 1, the total thickness is 50-150 [mu] m, and the raw materials are prepared according to respective formulas. The preparation method comprises the steps of raw material preparation, melt mixing, die head extrusion, two-way stretching, water-cooling shaping, electronic crosslinking, aging treatment, heating softening and cold and hot shaping. The carbon nanotubes (CNT) and the h-BN nanosheets synergistically hinder crack propagation in the middle layer, so that the crack propagation resistance of the film is remarkably improved, the tensile strength, the thermal shrinkage rate and other properties are also optimized, compared with a traditional film, the comprehensive properties of wear resistance, high strength and high thermal shrinkage rate are achieved through interface collaborative design, meanwhile, the production cost is reduced by 20-30%, and the application prospect is wide. The method is suitable for food packaging, electronic device protection and other fields.

The present invention provides a metal molded article, a manufacturing method therefor, and an inspection device having same. The metal molded article has an overall length dimension in a longitudinal direction, an overall thickness dimension in a thickness direction perpendicular to the longitudinal direction, and an overall width dimension in a width direction perpendicular to the longitudinal direction. The metal molded article is divided into a first body region and a second body region in the thickness direction. The lateral surfaces of the first body region are provided with multiple micro-trenches that are grooves formed to be elongated in the thickness direction and arranged side by side all over the entire lateral surfaces of the first body region. The lateral surfaces of the second body region are not provided with these micro-trenches.

The invention discloses a laser welding method for a copper-aluminum composite material, which comprises the following steps of: performing upsetting thinning treatment on a three-layer sandwich structure base material to ensure that the total thickness of a welding area is 1.5 mm, the thickness of an aluminum layer is 0.9-1.1 mm (the deformation rate is 10-30%), the thickness of a copper layer is 0.2-0.3 mm, the surface roughness Ra is less than or equal to 1.6 mu m, and the surface roughness Ra of an oxide layer is less than or equal to 5 mu m; a 1064nm optical fiber laser is adopted, welding is conducted at the power of 85%-95%, the speed of 120-150 mm / s and the frequency of 4000-6000 Hz, the fusion depth is 0.3-0.6 mm, and the fusion width is 1.2-2.0 mm. By means of the method, the tensile strength of the connector can be larger than or equal to 110 MPa, the resistivity is smaller than or equal to 2.5 * 10 <-8 > omega.m, the problems that traditional welding strength is low and conductivity is poor are solved, batch quality consistency is ensured, and the method is suitable for the fields of new energy automobiles and the like.

The invention relates to the technical field of semiconductor material precision machining, and discloses a 12-inch silicon wafer double-sided polishing upper and lower surface removal amount monitoring system and method, and the system comprises a macroscopic thickness monitoring unit, a microcosmic contact state decoupling sensing unit and a data processing controller. The method comprises the following steps: synchronously acquiring a total thickness signal of a silicon wafer, an acoustic emission signal of an upper / lower fixed disc side and a fluid dynamic pressure signal; the method comprises the following steps: constructing a lubrication state correction coefficient by utilizing fluid dynamic pressure, and carrying out nonlinear correction on a mechanical friction energy index extracted by acoustic emission to obtain an effective vector removal index representing real cutting capacity; and the removal distribution ratio of the upper surface and the lower surface is calculated, and the independent absolute removal amount of the upper surface and the lower surface is obtained through decoupling in combination with the total thickness variation. According to the method, by eliminating the interference of a fluid'water cushion effect 'on a friction signal, visualization and closed-loop feedback control of a single-face removal behavior in the double-face polishing process are achieved, and the problem of silicon wafer warping caused by removal asymmetry is effectively solved.

The invention relates to the technical field of deposition of wear-resistant and corrosion-resistant coating materials on metal surfaces, in particular to a high-toughness CrNbZrNiSiBN high-entropy nitride coating and a preparation method thereof. A bonding layer formed by a Cr layer, a transition layer formed by a CrN layer and a functional layer coated with CrNbZrNiSiBN high-entropy nitride are sequentially arranged on the surface of a base material. And the total thickness of the coated functional layer is 2-10 microns. The method is completed by adopting an ion beam assisted arc ion plating technology, and the prepared composite coating has the advantages of relatively high hardness, relatively good toughness, wear resistance, corrosion resistance, high-temperature oxidation resistance and the like. The coating can be used for strengthening and protecting the surfaces of cutters, molds, aerospace, marine ship parts and the like.

The invention discloses an anti-crack construction method for a concrete pavement. The anti-crack construction method comprises the steps that a high-pressure water gun with the pressure ranging from 15 MPa to 18 MPa is adopted to conduct scouring on the surface of a roadbed to form latticed grooves with the depth ranging from 3 mm to 5 mm; laying a double-layer isolating layer composed of a polyethylene film and polypropylene geotechnical cloth, and coating an organic silicon interface agent of 1-1.5 mm in the middle; erecting a three-dimensional steel reinforcement framework; during layered pouring, the thickness of lower-layer concrete is 60 + / -2% of the total thickness, inserting quincunx PVC exhaust pipes with the diameter of 25mm, and controlling the temperature difference between the upper-layer concrete and the lower-layer concrete to be less than or equal to 5 When the concrete strength reaches 5MPa-7MPa, the cutting depth of the shrinkage joint is 1 / 4-1 / 3 of the total thickness, and the length difference of the adjacent sections is less than or equal to 10%. The method can significantly improve the crack resistance of the pavement, and is suitable for concrete pavement projects such as highways and municipal roads.

The invention relates to a photoelectric composite cable suitable for an unmanned aerial vehicle platform, which comprises a wrapping layer formed by wrapping a covering film, an accommodating space is formed in the wrapping layer, a two-core electric unit and a one-core single-mode optical fiber are respectively placed in the accommodating space, and a plurality of aramid fibers are distributed in the accommodating space and are filled to form a cable; an insulating layer is distributed on the electric unit, an outer wrapping layer is distributed on the single-mode optical fiber, and the insulating layer, the outer wrapping layer and the covering film are all made of high-temperature-resistant fluoroplastic formed by ethylene-tetrafluoroethylene copolymer; the thickness of the covering film is 0.05 mm, and the total thickness after wrapping is 0.10 mm + / -0.02 mm; the outer diameter of the photoelectric composite cable is 2.2 mm + / -0.1 mm, and the total weight per meter is smaller than or equal to 12 g. Therefore, the whole photoelectric composite cable has better high temperature resistance, can meet high tensile strength under the condition of light weight, can realize low-loss signal transmission, and has better heat dissipation effect.

A method produces a microelectronics device by hybrid bonding of individual chips onto a handle wafer, of the Die-to-Wafer type, includes a flow protocol for thinning the rear substrate of the chips. The flow protocol includes a pre-thinning grinding of the rear substrate of the individual chips once they have been attached to the wafer. This grinding is preceded by the formation of a protective layer protecting the trenches formed by the spaces between the attached individual chips. Next, a rectification etching rectifies the height of the rear substrate of each of the attached individual chips, via chemical wet etching, to eliminate the Total Thickness Variation. This etching is selective with respect to an etch-stop element contained in the respective substrates of the attached chips and which is used to stop the etching at a level that is substantially uniform for each of the chips.

The invention belongs to the technical field of sintering, and relates to a production method for reducing the edge effect of a sintering pallet, which comprises the following steps: laying a grate-layer material and a mixture in sequence, so that the total material layer thickness of the sintering pallet is a first thickness; on the premise that the first thickness is not changed, the thickness ratio of the bedding material to the mixture is adjusted so as to reduce the fringe effect; during material distribution, the bedding material is distributed in a mode that the middle is thick and the two sides are thin, and the mixture is distributed above the bedding material in a mode that multiple openings are distributed at the same time. The method has the beneficial effects that the bedding material and the mixture are distributed in different modes, so that the air permeability of the middle and the edge of a material layer is considered at the same time, the edge effect is effectively reduced, and the quality of sintered ore is improved; and the movable compression roller is arranged, so that the compaction degree of a material layer is ensured, gaps among mixed material particles are reduced, mineral powder particles can be tightly bonded by a liquid phase generated in the sintering process, and meanwhile, the solidification effect among mineral powder is also improved.

The invention provides a parameter determination method and device for an elastic flywheel, a storage medium and electronic equipment, and the method comprises the steps: constructing an optimization model, and carrying out the solving calculation of the optimization model according to an optimization variable, a constraint condition and an optimization target, and obtaining a calculation result; wherein the optimization variables are the number of the middle diaphragms, the thickness of a single middle diaphragm and the position relation between any two middle diaphragms, the constraint conditions are the total thickness of the diaphragms and the minimum strength range of the diaphragms, and the optimization target is to minimize the bending rigidity of the middle diaphragms; the target solution of the calculation result comprises the target diaphragm number of the middle diaphragms, the target thickness of each middle diaphragm and the target position relation between any two middle diaphragms. According to the method, under the condition that the torsional rigidity is not changed, the bending rigidity and strength are flexibly controlled by flexibly combining the number of diaphragms, the thickness of the diaphragms, the arrangement sequence of the diaphragms and the like, so that the effects of high reliability and shafting centering compensation capability are considered.

The invention relates to an offshore wind turbine tower anticorrosive coating spraying thickness uniformity prediction method and system, and relates to the technical field of coating repair treatment.The method comprises the steps that firstly, a single-point spraying material adhesion amount model of a tower is established according to relevant parameters during spraying so as to reduce single-point prediction errors; then, a spraying track is deeply researched and analyzed, and a discretization technology is utilized to discretize a curved surface corresponding to the surface of the tower drum into grid units; and finally, realizing thickness and uniformity prediction by utilizing a three-dimensional curved surface superposition algorithm, predicting the coating thickness of each grid unit, and determining the total thickness of the coating through accumulated integration, so as to generate a thickness distribution cloud picture. Therefore, the method can accurately quantify the influence of complex geometric features on coating diffusion, predicts the coating thickness distribution of a complex curved surface through the track superposition and curved surface projection technology, achieves accurate uniformity quantitative evaluation, and achieves high-consistency thickness prediction from local to overall.

The invention relates to a method for forming a semiconductor structure. According to the forming method, after a diffusion barrier layer and a metal adhesion layer are formed in a through hole, reverse sputtering is firstly carried out to transfer part of the metal adhesion layer formed on the bottom wall of the through hole to the side wall of the through hole, the thickness of the metal adhesion layer located on the side wall of the through hole can be increased, flash deposition is then carried out, the thickness of the metal adhesion layer on the inner wall of the through hole is more uniform, and the thickness of the metal adhesion layer is improved. Therefore, the total thickness of the diffusion barrier layer and the metal adhesion layer located on the side wall of the through hole can be increased and is more uniform, the adhesiveness of the metal adhesion layer and the side wall of the through hole is enhanced, when the seed crystal layer grows on the basis of the metal adhesion layer, the crystallization direction of the seed crystal layer on the side wall of the through hole is relatively consistent, and the yield is improved. And then, when a metal material such as copper is grown on the basis of the seed crystal layer, the crystal phase arrangement of the metal material is more uniform, and the filling is more compact, so that the via hole has better supporting performance and reliability, and the test yield is favorably improved.

The invention discloses a vacuum cup with a metal shell and an inner container directly compounded and a preparation method. The vacuum cup comprises a metal shell, an inorganic non-metal inner container and a transition layer located at openings of the metal shell and the inorganic non-metal inner container. The transition layer is at least one of a metal transition layer, a metal solder transition layer or a glass solder transition layer, the thermal expansion coefficient of the transition layer is between the thermal expansion coefficient of the metal shell and the thermal expansion coefficient of the inner container, and the thermal expansion coefficient meets the metal shell gt; a transition layer gt; an inorganic nonmetal liner; when the transition layer is a metal transition layer, the relative difference K between the transition layer and the thermal expansion coefficient of the metal shell is less than 60%; when the transition layer is a metal solder or glass solder transition layer, K is less than 20%; the total thickness of the transition layer is smaller than 1 mm. By reasonably controlling the material and thermal expansion coefficient of the transition layer, a middle structure with a deformation inhibition function is formed, thermal expansion deformation of the metal shell is relieved, the welding stress is reduced, the cracking risk is reduced, and reliable and direct compounding of the metal shell and the inorganic nonmetal inner container is achieved.

The invention relates to the technical field of road construction, in particular to an intelligent cooperative construction management method for a paving road roller cluster, which comprises the following steps of: acquiring an asphalt layer total thickness design value, paving road section basic parameters and paving resource parameters; generating division distances according to the total thickness design value of the asphalt layer, the basic parameters of the paving and pressing road section and the paving and pressing resource parameters; dividing the paving road section into a plurality of to-be-compacted areas along the paving direction according to the division distance; each to-be-compacted area is divided into a plurality of to-be-compacted subareas in the width direction of the paving surface, and each to-be-compacted subarea is provided with a road roller; according to the road roller parameters and the basic parameters of the to-be-compacted subarea, the to-be-compacted subarea is divided into a plurality of rolling belts; and each road roller is controlled to move along the rolling belt in the corresponding to-be-compacted subarea. By the adoption of the scheme, the to-be-compacted area can be partitioned according to the actual construction condition, so that the construction quality is improved, conflicts are prevented when multiple machines are parallel, and the balance between the construction efficiency and the quality is achieved.

An optical component including: a substrate on which an optical element is mounted; a transparent sealing member disposed above the substrate and configured to seal the optical element; and a bonded portion in which a plurality of metal films are laminated, and which is configured to bond the transparent sealing member and the substrate. The bonded portion includes: one or more stress relaxation layers constituted by one or more metal films having a Young's modulus of less than or equal to 150 GPa, the one or more stress relaxation layers having a total thickness of greater than or equal to 1.2 μm; and a diffusion prevention layer disposed on each of both sides in a thickness direction of each of the one or more stress relaxation layers, and configured to prevent diffusion of metal constituting the stress relaxation layer.

The invention discloses an AlCrSiWN / CrMoN nano multilayer composite coating with high hardness and self-lubricating performance and a preparation process of the AlCrSiWN / CrMoN nano multilayer composite coating, and belongs to the technical field of coatings. The multi-layer composite coating is a modulation coating formed by AlCrSiWN high-hardness layers and CrMoN self-lubricating layers through alternate deposition, the total thickness of the multi-layer composite coating is 3-4 microns, and the periodic thickness of the multi-layer composite coating is 0.011-0.038 microns. The preparation process of the coating comprises the steps that an AlCrN transition layer of a columnar crystal structure is prepared firstly, then an AlCrSiW target and a CrMo target are started at the same time, the AlCrSiWN / CrMoN nano multilayer composite coating with the nanoscale modulation period and alternate hardness is prepared by regulating and controlling the rotating speed of a rotating frame in a vacuum coating cavity to be 0.6 r / min-1. 5 r / min, and the AlCrSiWN / CrMoN nano multilayer composite coating with the nanoscale modulation period can keep the high hardness of the coating through the soft and hard alternate multilayer structure, so that the hardness of the coating is greatly improved, and the coating has the good application prospect. The toughness and the self-lubricating performance of the coating are improved, and crack propagation is effectively inhibited.

The invention discloses a high-toughness and high-entropy alloy with dynamically-enhanced dislocation cells and a preparation method of the high-toughness and high-entropy alloy, and relates to the technical field of alloy preparation. The preparation method sequentially comprises the following steps that S1, in a high-purity argon atmosphere, an alloy ingot is prepared through a suspension melting method, and then homogenization treatment is conducted for 24 h at the temperature of 1200 DEG C; and S2, multi-pass small-strain rolling is carried out in three steps, namely cold rolling, hot rolling and cold rolling, the total thickness is reduced by 84%, and the high-toughness and high-entropy alloy with the dynamically-enhanced dislocation cells is obtained. According to the preparation method, the dislocation cell structure can be prepared in the high-entropy alloy, the steps are simple, the efficiency is high, the risk caused by additional defects is avoided, and meanwhile the preparation method is not limited by the sample size. More importantly, the obtained dislocation cell structure can be dynamically enhanced in the deformation process, so that the alloy has higher ductility under the flow stress of kilomega Pa, and the balance between the strength and the ductility is avoided.

The manufacturing method comprises the following steps: respectively heating and melting PA particles, TIE particles, EVOH particles and PP particles, then stacking and co-extruding according to the sequence of PA-TIE-PA-EVOH-PA-TIE-PP to form a barrel film, and finally blowing and stretching the barrel film to form the co-extruded film with the required thickness, during blowing, constant-temperature cooling water is adopted to be in direct contact with the surface of the co-extrusion film for cooling, the temperature of the constant-temperature cooling water is 16-22 DEG C, and the distance from the seven-layer co-extrusion stacking die head to the constant-temperature cooling water surface is 10-30 cm; through quantitative control, in the prepared co-extruded film, the layer thickness ratio of the outer PA film layer is 10-15%, the layer thickness ratio of the two middle PA film layers is 5-10%, the layer thickness ratio of the two TIE film layers is 7-15%, the layer thickness ratio of the EVOH film layer is 20-25%, and the layer thickness ratio of the PP film layer is 26-30%; and the total thickness of the co-extrusion film is 40-200 microns. The co-extruded film prepared by the method has the characteristics of high temperature cooking resistance, puncture resistance, high barrier and high transparency, and is a food packaging film which can be used for vacuumizing.

The invention discloses a manufacturing method of a grinding wheel for a high-uniformity and easy-to-sharpen grinding single crystal diamond cutter, and belongs to the field of superhard materials and products in machining, the manufacturing method mainly comprises the steps of wet mixing, tape casting, laser cutting, lamination, matrix surface treatment, integrated sintering, size processing, sharpening and the like, and finally the grinding wheel with the total thickness of an abrasive layer being 7-15 mm is formed. The grinding wheel layer is formed by intersecting and laminating a piece a and a piece b, the height of diamonds at the junction of the piece a and the piece b tends to be consistent, the diamond exposure height and smoothness are better compared with direct feeding sintering, meanwhile, the piece a can be designed to be of a porous structure through proper binder selection, and therefore the dressing efficiency is further improved, and the dressing effect is better. And higher processing quality and efficiency of the diamond cutter are indirectly improved.

The invention discloses a method and device for measuring the thickness of an LED wafer of a vertical structure, a spot measurement machine table and a medium, and relates to the technical field of wafer measurement, and the method comprises the steps: loading a wafer on the spot measurement machine table; image information of the wafer is collected, and mark points of the wafer are identified according to the image; constructing at least two measurement points according to the mark points; respectively measuring height information of the measuring points; calculating thickness range information and total thickness change information of the wafer according to the height information; judging whether the wafer is qualified or not according to the thickness range information and the total thickness change information; if yes, testing performance parameters of each chip in the wafer, and cutting the wafer to form independent chips; and if not, a thickness abnormity alarm signal is generated. According to the invention, the thickness test and the performance test can be carried out through the same point test machine, the transfer frequency of the wafer is reduced, the technological process is reduced, and the production efficiency is improved.

The invention relates to a hole bottom sediment thickness adaptive direction measurement method for irregular hole shapes. The method comprises the following steps: acquiring hole wall images and vertical distance data in multiple directions; image preprocessing is carried out, hole wall feature points are extracted, three-dimensional coordinates are converted, a dynamic three-dimensional model is fitted, deformation grades are divided, and an inclination angle is determined; preferentially distributing detection points in a serious deformation area, calculating an optimal angle, monitoring by a gyroscope, correcting by an electromagnetic damper, adjusting by a servo motor, and ensuring that an included angle between a probe axis and a hole bottom tangent line is compliant; transmitting multi-frequency ultrasonic waves according to deformation grades, analyzing reflected signals through wavelet transformation, extracting sediment layering characteristics, and calculating the distance from a probe to a layering surface through speed correction; the reference distance is calculated based on the reference coordinates, the sediment total thickness and the dense layer thickness are finally obtained, and the measurement method which is adaptive to hole wall deformation, eliminates interference, dynamically adjusts detection parameters and is accurate in reference positioning can meet the high-precision requirement of engineering for sediment thickness and compactness quantification.

The invention discloses a surface coating for prolonging the fatigue life of metal and a preparation method of the surface coating. According to the coating, face-centered cubic structure layers and hexagonal system structure layers are alternately stacked to form a superlattice structure, the total thickness ranges from 1.0 micrometer to 1.5 micrometers, and a base material is titanium alloy. The thickness of the face-centered cubic structure layer is 4-6 nm, the thickness of the hexagonal system structure layer is 1-3 nm, the Mohs hardness difference between the two layers is not larger than 2, and the average grain size is 1-2 nm. According to the coating, a stable high-toughness interface phase is obtained through a specific crystal structure and thickness regulation and control, and dislocation slippage and crack propagation are effectively prevented. A magnetron sputtering method is adopted for preparation, and the process comprises the steps of substrate surface pretreatment, bias cleaning and alternate deposition. The coating shows excellent anti-fatigue performance under the cyclic load condition, and the service life of the titanium alloy component can be remarkably prolonged.

The invention relates to a preparation method of a transition region of a thick film epitaxial gradient layer. The preparation method comprises the following steps: S100, carrying out surface pretreatment on a heavily doped N-type silicon substrate to reduce interface defects; s200, the pretreated substrate is conveyed to an epitaxial cavity, and a stable lattice interface is formed through gradient temperature rise; s300, in the growth stage of the transition region, epitaxial gas and doping gas are introduced, the flow of the doping gas is dynamically adjusted, the resistivity is monitored in real time, and the resistivity of the transition region is made to be matched with the resistivity of the flat region; s400, switching to a flat region growth stage, keeping constant doping gas flow and adjusting epitaxial parameters until the total thickness reaches the standard; s500, gradient cooling and post-processing are carried out on the substrate after epitaxy is completed, the resistivity is monitored in real time by dynamically adjusting the doping gas flow and controlling the epitaxy time, resistivity matching between a transition region and a flat region is ensured, the overall quality of the epitaxial layer is improved, the transition region length and resistivity change are more stable through accurate control, and the yield of the epitaxial layer is improved. And the performance fluctuation caused by mismatching of the resistivity is reduced.

According to the production method of the hot-rolled extra-thick and ultra-wide double-metal composite plate, S30403 is selected as a stainless steel layer, and the stainless steel layer comprises the following chemical components in percentage by mass: 0.02%-0.029% of C, 0.3%-0.5% of Si, 0.8%-1.0% of Mn, less than or equal to 0.04% of P, less than or equal to 0.005% of S, 18.0%-18.8% of Cr, 8.0%-8.2% of Ni and the balance of Fe and inevitable impurities; the base layer is made of Q355B low-alloy high-strength steel and comprises the following chemical components in percentage by mass: 0.06%-0.12% of C, 0.15%-0.3% of Si, 1.45%-1.6% of Mn, less than or equal to 0.02% of P, less than or equal to 0.005% of S, 0.02%-0.05% of Al, 0.008%-0.02% of Ti and the balance of Fe and inevitable impurities; the key process steps comprise assembling, heating, rolling, cooling and finishing, and industrial preparation of the high-performance bimetal composite plate with the width larger than 3.5 m, the total thickness not smaller than 100 mm, the base material larger than or equal to 90 mm and the stainless steel coating larger than or equal to 10 mm is achieved.

To provide a hydrogen generating molded article in which the occurrence or growth of cracks is effectively suppressed.SOLUTION: A hydrogen generating molded article that generates hydrogen by coming into contact with water, wherein (1) the hydrogen generating molded article includes a first resin-containing layer, a second resin-containing layer, and a third resin-containing layer that are sequentially stacked, and (2) the second resin-containing layer includes 1 to 15% by weight of hydrogen generating particles capable of generating hydrogen by coming into contact with moisture, (3) The first resin-containing layer and the third resin-containing layer contain 0% by weight or more and less than 3% by weight of hydrogen generating particles capable of generating hydrogen by contact with moisture, (4) a total thickness of the first resin-containing layer, the second resin-containing layer, and the third resin-containing layer is 25 to 30 μ m, and (5) a thickness of the second resin-containing layer is 5 to 8 μm.SELECTED DRAWING: Figure 1

A container or pouch (40) made entirely of elastomer, comprising a main body (42) having a front wall (46) and a back wall (48) connected to the front wall (46) along an outer peripheral edge (50), and a closure system (44) comprising a front side (70) and a back side (72). The front side (70) has a front sealing profile (84) comprising a male closure element (100), the back side (72) has a back sealing profile (86) and defines a cavity (156), the back sealing profile (86) comprising a female closure element (102), wherein a centerline extension (162) extends through the cavity (156). The back side (72) comprises an inner portion (180) and an outer portion (182), the inner portion (180) comprising the entire cavity (156). A thickness (224) of a thickened region (208) measured in a direction parallel to the centerline (162) is less than 35% of a total thickness (234) of the closure system (44) in a closed configuration measured in a direction parallel to the centerline (162).

The invention discloses an electric arc additive thin-wall component strengthening and toughening method based on laser shock peening. The method comprises the following steps that a thin-wall test piece is prepared; planning an unstrengthened area and a plurality of laser shock strengthening sub-areas on the surface of the test piece; selecting a laser shock peening sub-region, selecting laser shock peening parameters for laser shock peening, and adjusting the laser shock peening parameters until the total thickness of the pore-free layer and the hardened layer meeting the target requirement is obtained, so as to obtain optimized laser shock peening parameters; and selecting a plurality of laser shock peening sub-regions, performing peening by adopting optimized laser shock peening, selecting annealing parameters for annealing treatment, and repeating the annealing parameter adjustment operation until the total thickness of the pore-free layer and the hardened layer meeting the target requirement is obtained, so as to obtain optimized annealing parameters. According to the method, the pore-free layer and the hardened layer with reasonable thicknesses are generated on the surface of the additive aluminum alloy thin-wall part, the near-surface layer strength of the thin-wall part is improved, and the strength and plasticity of the arc additive aluminum alloy thin-wall part are improved at the same time.