242results about How to "Increase the amount of deformation" patented technology

The linear ultrasound electrical motor (LUEM) includes drive oscillator, mover, chassis, and relevant locking gear for fastening them. The drive oscillator includes piezoelectric element and metal elastic body (MEB). The piezoelectric element includes piezoelectric ceramic piece (PCP) of bending vibration, and PCP of longitudinal vibration in use for generating rectilinear vibration. At least one dogtooth contacted to mover is setup on MEB. Slider of guiding bulge is setup on side of mover. The guiding bulge is corresponding to straight-line guidance groove setup on the chassis. The disclosed LUEM is longitudinal and bending composite driving LUEM with prism type oscillator. The drive oscillator is prism type longitudinal bending composite oscillator composed of connection terminals, longitudinal vibration rectangular PCP and front cover board fastened by double end bolts and nuts. The oscillator is as stator of LUEM to generate longitudinal and bending vibration.

The invention relates to a method for enhancing bituminous mixtures by adopting chopped basalt fibers, belonging to the technical field of novel compound materials. According to the invention, continuous basalt protofilaments or twistless rovings the surfaces of which are expanded into fibers in certain length, and then the fibers are used for enhancing the bituminous mixtures in a certain doping proportion and can be respectively used for maintaining the bituminous mixtures used for new construction and reconstruction and extension of highways and SMA and OGFC bituminous mixtures as well as fiber seals. In addition, the fibers can also be used for the enhancement of high-speed railway packing layer CA mortar and relevant hydraulic architectures. The chopped basalt fiber plays roles of enhancing, toughening and elasticizing the cracking prevention, crack resistance and reinforcement and 'bridging' in the enhanced bituminous mixtures, can obviously increase the anti-rutting ability of highways of the enhanced bituminous mixtures and reduces the whole life costs of the enhanced bituminous mixtures; if the fibers are used for high-speed railway plate-type ballastless tracks and CA mortar, the bending strength and the deformation resistance can be increased, i.e. the fibers play a role of crack prevention and crack resistance; in addition, the fibers have better anti-water leakage action if being used for Hydraulic and Hydro-Power Engineering.

The invention provides a method for extruding an inner transverse rib of a cylindrical piece. Themethod comprises the following steps: (1) extruding a blank downwards by a left male die and a right male die; (2) moving the left male die and the right male die to the left and the right respectively to press working zones at the head parts of theleft male die and the right male die into a cylinder wall; (3) rotating a female die, and keeping the left male die and the right male die moving to the left and the right; (4) stopping the horizontal separation motion of the left male die and the right male die, extruding the blank again by the left male die and the right male die, and simultaneously keeping the female die rotating to form a cylinder wall with slant fiber texture; (5) stopping the female die from rotating, and combining the left male die and the right male die; (6) after combining the left male die and the right male die, integrally moving the left male die and the right male die downwards to extrude the blank; (7) separating the left male die and the right male die, and rotating the female die; (8) after finishing extrusion and rotation, drawing the left male die and the right male die close to each other; and (9) moving the left male die and the right male die upwards, and pushing an extruded piece out by an ejector rod so as to finish a complete extrusion and rotation process. Accordingto the method, the fiber texture of a cylinder body is distributed spirally and is slant,and the transverse and longitudinal comprehensive performance of the extruded piece is improved.

The present invention discloses low cost process of producing X65 pipeline steel, which has reasonable metallurgical component design and is produced through EAF+LF smelting in an electric furnace, efficient continuous casting and rolling to form sheet billet and controlled cooling. The steel has components including C 0.046-0.060 wt%, Si 0.15-0.30 wt%, Mn 1.4-1.60 wt%, P 0.006-0.015 wt%, S 0.001-0.008 wt%, Nb 0.045-0.050 wt%, Ti 0.015-0.025 wt%, N 0.005-0.007 wt% and Fe and impurity for the rest. The process of the present invention can produce hot rolled X65 pipeline steel sheet coil of 6.0-10.0 mm thickness and meeting the requirement of API Spec 5L specification at low cost.

A method of joining heat-treatable aluminum alloy members by friction stir welding, including the steps of: a T4-treatment-performing step of performing a T4 treatment on heat-treatable aluminum alloy members so as to impart T4 temper to the heat-treatable aluminum alloy members; a joining step of joining the heat-treatable aluminum alloy members with T4 temper by friction stir welding to provide a joined product; and a reversion-treatment-performing step of performing a reversion treatment, the reversion-treatment-performing step being carried out prior to or after the joining step.

The dielectric device includes a substrate, a lower electrode, a dielectric layer, and an upper electrode. The lower electrode is bonded onto the substrate. The dielectric layer is bonded onto the lower electrode. The dielectric layer is obtained through thermal treatment of a film layer formed by spraying of a powdery dielectric material and a fine-particulate metal. In the thus-formed film layer, the metal is dispersed in the matrix of the dielectric material. Thermal treatment of the film layer causes migration of the metal in the film layer. This metal migration causes a lower-electrode-adjacent portion and upper-surface-adjacent portion of the dielectric layer to have different metal contents.

The invention relates to a synthetic jet actuator with double films, a single chamber and a single spout. An installing surface (4) of a vibration film (6) is arranged on the surface of an inner hole at one end of a film bracket (2); the arched vibration film (6) formed by a PZT ceramic sheet (9) and an arched copper foil sheet (8) is fixed on the installing surface (4); the film brackets (2) are respectively fixed at both ends of a box body (3); the ratio of the diameter of the PZT ceramic sheet (9) to the diameter of the copper foil sheet (8) is 0.4-0.8; the ratio of the diameter of a trapezoid lower bottom of the copper foil sheet (8) to the diameter of the copper foil sheet is 0.3-0.7; the ratio of a trapezoid upper bottom of the copper foil sheet (8) to the diameter of the trapezoid lower bottom of the copper foil sheet is 0.4-0.95; and the trapezoid angle is 22 degrees-56 degrees. The invention can obtain higher amount of distortion, improves the energy conversion capacity, enables the spout to generate larger kinetic energy, and has good application prospects in the aspects of improving the lifting force of airfoils, improving the stalling characteristics of airfoils and enhancing mixing.

The invention relates to a high temperature resistant iron-chromium-aluminum fiber yarn and a preparing process, belongs to the field of stainless steel processing and obtains the iron-chromium-aluminum fibers by bundle drawing iron-chromium-aluminum wire rods embedded in base materials; the iron-chromium-aluminum fibers comprise iron and the following components (represented by wt. percent) of more than or equal to 0.005 percent and less than or equal to 0.03 percent of C, more than or equal to 15 percent and less than or equal to 27 percent of Cr, more than or equal to 5.95 percent and less than or equal to 7.0 percent of Al, more than or equal to 0.05 percent and less than or equal to 0.2 percent of Cu, more than or equal to 0.4 percent and less than or equal to 0.6 percent of Si, more than or equal to 0.2 percent and less than or equal to 0.4 percent of Mn, more than or equal to 0.03 percent and less than or equal to 0.04 percent of S, more than or equal to 0.010 percent and less than or equal to 0.045 percent of P and more than or equal to 0.01 percent and less than or equal to 0.04 percent of RE; the manufacturing process comprises the following procedures of material choosing, pretreatment, encapsulation, compaction, drawing, separation and rolling. The manufacturing process of the iron-chromium-aluminum fiber of the invention is suitable for drawing and processing high-aluminum iron-chromium-aluminum wire rods and can reach the yield of 98 percent with little influence on the environment.

The invention discloses an auxiliary rolling method of a magnesium alloy plate, comprising the following step: side-surface predeformation in which rolling pretreatment is carried out on the side surfaces of a magnesium alloy hot-rolling plate blank by a side-surface predeformation technique along the transverse direction or the rolling direction of the plate blank. The plate blank adopts the side-surface predeformation, the texture of the base surface of the material is weakened, the single-pass rolling deformation amount is obviously improved in the processing of subsequent rolling, the rolling molding performance of the plate blank is improved, the rolling pass and the intermediate annealing times are reduced, the processing cost of the magnesium alloy thin plate is obviously reduced, and the reasonable control of the quality and the cost of the magnesium alloy thin plate is realized. Simultaneously, the magnesium alloy plate prepared by adopting the technique has uniform and fine grain structures and excellent mechanical performance. The invention also discloses a rolling method of the magnesium alloy plate, comprising the steps: side-surface predeformation and flat-rolling molding, in the side-surface predeformation, predeformation treatment is carried out on a magnesium alloy hot-rolling plate blank from two sides; and in the flat-rolling molding, flat-rolling molding is carried out on semi-finished products of the plate blank in the range from room temperature to 400 DEG C, so as to manufacture the magnesium alloy plate.

In a vehicle front part structure of a vehicle body, a gusset member is disposed in front of a front pillar. The gusset member is positioned so as to overlap with at least a front tire in the vertical direction of the vehicle body. The gusset member covers at least a portion of a lower portion of the front pillar on a front side in the longitudinal direction of the vehicle body. The gusset member has a stepped portion on a front side thereof in the longitudinal direction of the vehicle body. The stepped portion extends in the vertical direction of the vehicle body and makes a portion of the gusset member disposed inside in the vehicle width direction positioned relatively in front of a portion of the gusset member disposed outside in the vehicle width direction in the longitudinal direction of the vehicle body.

The invention discloses a metal material large-strain processing method based on multi-pair wheel rolling and equal channel corner extrusion. The metal material large-strain processing method is characterized by comprising the following steps: firstly, blanks passes through multiple pairs of rolling wheels driven by power, and the gap between each pair of rolling wheels is adjusted so that the blanks reaches the designed thickness after being rolled by multiple pairs of rolling wheels; secondly, equal channel corner extrusion dies are installed at the outlets of the last pair of rolling wheels so that the blanks reaching the designed thickness through the rolling of the rolling wheels are continuously sheared and deformed under the drive of the last pair of rolling wheels and the extrusion of the dies and then are extruded out of the dies after turning an angle of 45 to 90 degrees in the original heading direction. The invention integrates the advantages of a multi-pair wheel rollingtechnique and an equal channel corner extrusion technique, is especially suitable for the large-strain deformation processing of thin plates, and can realize energy-saving, high-efficiency, continuousand uniform large-strain deformation processing of metal materials.

A card dispensing apparatus having a compact configuration has a housing to support a stack of cards on a fixed base. Openings in the base member can permit surfaces from a conveying member to extend into the housing and contact a surface of the lowest card. The conveyer member can move horizontal to a release point and retract beneath the base member to return to an initial position. A movement unit provides a cyclic looping movement of the conveyer member into and out of the housing for transporting cards. A feed unit positioned at the dispensing point of the cards can grasp and release the cards from the card dispensing apparatus.

A power generation unit includes a deforming member (a beam) adapted to deform while switching a deformation direction, a first piezoelectric device provided to the deforming member (the beam), a second piezoelectric device provided to the deforming member (the beam), an inductor electrically connected to the first piezoelectric device, a switch disposed between the first piezoelectric device and the inductor, and a control section adapted to detect a voltage generated in the second piezoelectric device, and if the voltage detected has a level one of equal to and higher than a predetermined level, electrically connect the first piezoelectric device and the inductor to each other using the switch.

The invention provides a staged heating, extruding and form-controlling method of a powder superalloy component. Through use of good liquidity of powder materials and by the aid of the deformation temperature and pressure which are changed in stages, the powder materials reach preliminary densification under the low temperature and pressure, and powder particles are retained and have surface activity and liquidity to a certain degree; then the deformation temperature and pressure are increased, and the plastic deformation parameters such as the motion direction of a mold and the deformation speed are combined, so that superalloy powder flows and forms a certain shape; during the process, pores among the powder particles are completely eliminated, and full densification is reached; and meanwhile, through circulatory alternation action of forward extrusion and backward extrusion, certain strain conditions are exerted on the powder particles, coarse particles are changed into fine crystal particles, component formation is finished, and a full compact powder component is prepared, so that solidification-structure-formation integration of the powder component is achieved. A powder superalloy forging stock with the compact structure and even and fine crystal particles can be obtained.

A power generation unit includes a beam (a deforming member) having a piezoelectric element and deforming while switching a deformation direction, an inductor electrically connected to the piezoelectric element, a switch disposed between the piezoelectric element and the inductor, a memory (a storage section) adapted to store switching period information (information of a characteristic vibration period of the beam), and a control circuit (a control section) adapted to control one of a timing at which the switch is set to a conductive state and a timing at which the switch is set to a nonconductive state in accordance with the switching period information stored in the memory.

Resin particles comprised of an acrylic resin. Not only is the maximum compression deformation ratio thereof as great as 60% or more but also the load required for 60% compression deformation is as small as 60 mN or less. Wiring boards are therefore coupled in using an anisotropic conductive adhesive obtained by first manufacturing conductive particles having a conductive coating formed on a resin particle surface of the resin particles by adhering a conductive material to the surface of the above resin particles as a core. On dispersing the conductive particles in an adhesive material, the conductive particles sandwiched between metallic wires of the wiring boards are greatly deformed by a small load, so that the electrical devices having a high conduction reliability can be obtained.

The invention relates to a piezoelectric vibration-type pipe flow generator, which belongs to the field of fluid power generation and pipeline monitoring. The inner wall of the pipeline is provided with an inner cylinder; the outer side of the bottom wall of the inner cylinder is embedded with fixed magnets, and ear plates are arranged; the left end cover of the inner cylinder wall is provided with two groups of piezoelectric vibrators and an excitation reed; each piezoelectric vibrator group at least comprises two piezoelectric vibrators whose end parts are loaded with levitated magnets; the excitation reed is loaded with levitating magnets and an excited magnet; the levitating magnets and the levitated magnets are arranged with like magnetic poles arranged oppositely; the substrate of the piezoelectric vibrator is arranged close to the excitation reed; the excited magnet and the fixed magnet are arranged with opposite magnetic poles arranged oppositely; the exciter is arranged on the ear plate through a pin shaft, and an exciting magnet on a swinging arm of the exciter and the excited magnet are arranged with opposite magnetic poles arranged oppositely; and one end of a balance reed is arranged on a ribbed slab and the other end is arranged on the connection plate of the swinging arm. The piezoelectric vibration-type pipe flow generator has the advantages that a multi-degree-of-freedom system is realized, and the frequency band is wide; the piezoelectric vibrators are not contacted with the fluid, a piezoelectric plate only bears compressive stress, the fixed magnet can realize amplification and limiting, the reliability is high, and the power generation amount is large.

The invention discloses a normal temperature adhesive composition, which comprises emulsion one, emulsion two, an anti-adhesion agent, a wetting agent, an antioxidant, a defoaming agent, ammonia and water, wherein the emulsion one is one of acrylosilane emulsion, pure acrylic emulsion, styrene-acrylate emulsion, vinyl acetate/acrylic emulsion and vinyl acetate-acetate copolymer emulsion; the molecular weight of the emulsion one is smaller than 100,000 and the glass state temperature thereof is between -2 and +45DEG C; the emulsion two is one of polyacrylic emulsion, SIS latex and natural latex; and the molecular weight of the emulsion two is between 300,000 and 1,000,000, and the glass state temperature thereof is between -50 and -80DEG C; and the raw materials are added one by one, and the mixture is mixed, stirred, dispersed evenly to prepare the normal temperature adhesive composition. The sealing composition finally achieves effective sealing under the condition of different sealing pressures by properly adjusting a ratio of an adhesion system to a pressure-sensitive system according to different sealing conditions.

A plaster dental cast gum plate molding mold for molding a plaster dental cast gum plate having pins is disclosed. The body of the mold is made of an elastic material, having a cavity surrounded by a smoothly arched inner wall, a smoothly arched outer wall and a bottom wall, a plurality of insertion holes cut through the bottom wall for the insertion of a respective pin, and a plurality of alignment pegs respectively perpendicularly extending from the smoothly arched outer wall and suspending in the cavity so that the molded plaster cast gum plate has dents corresponding to the alignment pegs for quick recognition of the locations of the pins after positioning of the plaster cast gum plate on a base plate and bonding of a dental cast to the flat top surface of the plaster cast gum plate for enabling the dentist to cut one individual tooth model accurately.

The present invention presents a stencil mask in which various surface patterns can be formed, and in which deformation is suppressed when charged particles are introduced. A stencil mask of the present invention is provided with a semiconductor stack. A first penetrating hole corresponding to an ion introducing area is formed in a first semiconductor layer of the semiconductor stack, and second penetrating holes are formed in a second semiconductor layer, these second penetrating holes having a width greater than the width of the first penetrating hole. The first penetrating hole and the second penetrating holes communicate and pass through the semiconductor stack. Beam members extending between adjacent second penetrating holes connect portions of the first semiconductor layer separated by the first penetrating hole.

Circumferential recesses have: first blocks protruding outward in the tire tread width direction, the first blocks having radial outer end sections and radial inner front end sections; and second blocks protruding outward in the tire tread width direction, the second blocks having radial inner end sections and radial outer front end sections. The radial inner front end sections of the first blocks and the radial outer front end sections of the second blocks are separated from each other in the tire circumferential direction or in the tire radial direction.