16 results about "Increased thickness" patented technology

The invention relates in general to sintering under pressure and with electrical current, often termed spark plasma sintering (SPS). Particular aspects of the invention are directed to a sintering device, a sintering process, a ceramic body product, an assembly comprising the ceramic body and the use of a graphite layer in a sintering process. The invention relates to a device having a sintering chamber, the sintering chamber being bordered by the following device parts: ⋅ i. a first punch surface of a first punch; ⋅ ii. a second punch surface of a second punch; and ⋅ iii. an interior surface of a die; wherein: ⋅ the punches are adapted and arranged to apply a pressure of at least 1 MPa along a compression axis to a target in the sintering chamber; the first punch and the second punch are connected to an electrical power source.

The application discloses a kind of rotor cup machine shell bearing chamber bearing hole periphery R angle forming local material thickening process, by pre-stretching, main stretching, pre-punching bearing hole, back to mound and shrinkage back mound, final stretching finishing these six steps are completed.The application process optimizes the distribution regulation and control of metal flow in the plastic deformation process of stretching forming material and controls the quantitative flow of material, realizes the integral thickening of the material in the bearing chamber area, realizes the accurate control of material flow, thereby realizes the directional thickening of local material, and the shell product prepared is locally increased in thickness by more than one time of the original material thickness at the bearing hole periphery R angle of bearing chamber, while ensuring that the wall thickness of bearing chamber is only slightly thinned, to ensure that the rotor cup machine shell is completed and the forming quality is improved, and the product reaches higher mechanical strength, dimensional accuracy and surface quality.

Adhesive film, comprehensive: an embossed surface, wherein the embossed surface has an A2 / A1 value of 1 or less; and a region of increasing thickness, wherein the region of increasing thickness has a first end and a second end, and the thickness of the first end differs from the thickness of the second end; where a wedge angle (θ) is calculated according to equation 1 below and the wedge angle of the region with increasing thickness is 0.01 to 0.04°, where the embossed surface has an Sz value of 30 to 90 µm, where the ratio of Ha to w is between 0.0002 and 0.0015, and where the A2 value is 0.6 or less, θ = arc tan ( H b − H aw ) where in equation 1 Hb is a thickness of the thicker end from the first end to the second end of the region with increasing thickness, Ha is a thickness of the thinner end from the first end to the second end of the region with increasing thickness, and w is the width from the first end to the second end of the region with increasing thickness.

The invention provides a method for protecting a carbon-containing composite component against oxidation, the method comprising at least: applying a first coating composition in the form of an aqueous suspension on the outer surface of the component, the first coating composition comprising: a metal phosphate; a powder of a titanium-containing component; and a B4C powder; subjecting the applied first coating composition to a heat treatment to obtain a first coating on the outer surface of the component; applying a second coating composition on the first coating composition, the second coating composition comprising: an aqueous suspension of colloidal silica; a borosilicate glass powder; and a TiB2 powder; and subjecting the applied second coating composition to a second heat treatment to obtain a second coating on the first coating. By the particular selection of the first coating composition and the second coating composition in the order specified by the invention, a coating of increased thickness is obtained, which has good adhesion and imparts excellent oxidation resistance in wet media and at very high temperatures.

Composite brake drum, comprising a connecting section (2) oriented perpendicular to the axis of rotation (X) of the composite brake drum (1) and designed to connect the composite brake drum (1) to a wheel to be braked, comprising an annular shell section (5) supported by the connecting section (2) and rotating around the axis of rotation (X) of the composite brake drum (1), and comprising a friction ring (6) supported by the shell section (5), which also rotates around the axis of rotation (X) of the composite brake drum (1) and has a friction surface (16) on its free inner circumferential side, which is rotationally symmetrical to the axis of rotation (X) of the composite brake drum (1), wherein the connecting section (2) is made of a light metal material and the friction ring (6) is made of a cast iron material, wherein the friction ring (6) has a structure on its outer circumferential surface,the structure is formed by protrusions (17) and depressions (18) which are at least partially bounded by the protrusions (17), and wherein the material of the shell section (5) has penetrated into the depressions (18) of the structure, characterized in that the friction ring (6) has a thickness (D1) in a first edge region (12), which is bounded by its end face (7) facing the connection section (2), which is smaller than the thickness (D2) that the friction ring (6) has in its second edge region (14), which is bounded by the end face (10) facing away from the connection section (2), and that the thickness (D1) of the first edge region (12) increases continuously from its edge associated with the connection section (2) towards the second edge region (14) and the thickness (D2) of the second edge region (14) increases continuously up to the end face (10) facing away from the connection section (2).that the increase in thickness (D2) over the second edge region (14) is greater than the increase in thickness (D1) over the first edge region (12) and the proportion of the width of the second edge region (14) to the width (BR) of the friction ring (6) is greater than the proportion that the width of the first edge region (12) occupies to the width (BR) of the friction ring (6) and that at least some of the protrusions (17) extend parallel to the axis of rotation (X) of the composite brake drum (1)..

The utility model relates to a PVC wallboard high -efficient laminating device, aims at solving the current traditional device's laminating pressure mostly is fixed value, cannot self -adaptation regulation pressure, when the board thickness increases, the extrusion force of pressure roller and board will increase significantly with the thickness, easy to lead to the protection film to appear tensile deformation or breakage because of the technical problem of too big stress, including support frame and cross bar, the cross bar rotation is connected between two side plates, and the surface fixed connection of cross bar has two movable frames, two movable frames between fixed connection has the fixed link, the central rotation of fixed link is connected with the inductive wheel, and the fixed link simultaneously penetrates the lower end of two adjusting frames and is connected with adjusting frame rotation, when the board thickness increases, the compression of auxiliary spring reduces, releases partial elasticity, so when extruding roller lifts along with the board, will not extrude extruding spring excessively, balances the extrusion degree of extruding spring, effectively avoids the damage of film to too big pressure.

The utility model provides a wafer boat and a furnace tube device, and relates to the technical field of semiconductor processes. The wafer boat comprises a first end part, a second end part and at least two supporting columns, the first end is opposite to the second end, the supporting columns are located between the first end and the second end, and a gap exists between every two adjacent supporting columns. A plurality of parallel supporting parts are arranged on the side, facing the other supporting columns, of one supporting column, and each supporting part comprises an inclined part and a supporting island. The first end of the inclined part is connected with the supporting column, the supporting island is located at the second end of the inclined part, and the first end is opposite to the second end; the inclined parts on all the supporting columns incline by a target angle from the second end part to the first end part; and the opposite supporting islands on all the supporting columns are matched with each other to place a wafer. According to the scheme provided by the invention, the splitting defect of the wafer at the supporting part provided by the wafer boat due to impurity residues or increased thickness difference of film layer deposition can be reduced.

The invention relates to the technical field of automatic fiber laying in-situ consolidation forming of thermoplastic composite materials, discloses a mold temperature compensation process for improving interlayer shear strength of a thermoplastic composite material laminated plate, and aims to solve the problems of heat loss and crystallization gradient of a mold to the surface of a component caused by increase of the thickness of the laminated plate. A strategy of dynamically adjusting the temperature of the mold layer by layer is adopted, and the consistency of the upper surface temperature and the cooling rate of each laying layer is maintained. According to the method, the crystallization gradient in the thickness direction of the laminated plate can be effectively reduced, and the overall crystallinity uniformity and the cross-interface interdiffusion and entanglement number of molecular chains are improved, so that the interlayer bonding quality of the CF / PAEK laminated plate is remarkably enhanced.

The application discloses a preparation method of REBCO superconducting thick film and belongs to the technical field of superconducting materials. The preparation method of the REBCO superconducting thick film comprises the following steps: depositing an REBCO layer on a base band by using a superconducting layer deposition method, then depositing an auxiliary polishing layer, then adding a cleaning liquid to perform rotary polishing, obtaining the REBCO layer with a smooth surface, and then repeatedly depositing the REBCO layer, depositing the auxiliary polishing layer and performing the rotary polishing step on the REBCO layer with the smooth surface to obtain the REBCO superconducting thick film. The method can obtain the REBCO superconducting thick film with a thickness of greater than or equal to 4 microns, and the critical current density I c of the superconducting layer linearly increases (namely, J c does not obviously decrease with the increase of the thickness).

The invention discloses a local material thickening process for forming a peripheral R angle of a bearing hole of a rotor cup shell bearing chamber. The local material thickening process comprises six steps of pre-stretching, main stretching, pre-punching of the bearing hole, upsetting and shrinkage hole upsetting, and final stretching and finishing. According to the process, distribution regulation and control of metal flowing in the plastic deformation process of the material subjected to stretching forming are optimized, quantitative flowing of the material is controlled, material integrated thickening in a bearing chamber area is achieved, material flowing is accurately controlled, and therefore local material directional thickening is achieved; according to the manufactured shell product, the local material thickness at the peripheral R angle of the bearing hole of the bearing chamber is increased to more than one time of the original material thickness, and meanwhile, the wall thickness of the bearing chamber is only reduced slightly, so that the rotor cup shell is manufactured completely, the forming quality is improved, and the product achieves higher mechanical strength, dimensional accuracy and surface quality.

The invention relates to the field of composite material forming, in particular to a winding forming process for a cone-like pressure-resistant shell and the pressure-resistant shell, and the process comprises the following steps: giving the appearance size of a product, including the large-end outer diameter D1, the large-end inner diameter D2, the small-end outer diameter d1, the small-end outer diameter d2 and the axial length L; manufacturing a mold; dividing winding point positions; the winding angle alpha of each winding point position is determined, alpha = arcsin (C / D2), and C is the diameter of the section circle where each winding point position is located; and winding and molding: curing and demolding. The thickness increase of the fibers at each position in the axial direction is reasonably distributed by changing the winding mode, adjusting the layering sequence and the like, the damage to the fiber continuity is reduced as much as possible on the premise of ensuring the appearance curve of the shell, and the compression strength of the shell is improved.

Method for punching or cutting out ring-shaped, flat components (12) from a flat, strip-shaped semi-finished product (2), wherein the components (12) are intended to be stacked on top of each other at a specific installation angle relative to each other, characterized in that the components (12) are punched or cut out of the semi-finished product (2) in different component types (Type 1, Type 2), which differ in their angular position relative to the orientation of the strip-shaped semi-finished product (2), such that in the installation angle, sectors with increased thickness (14) and sectors with reduced thickness (16) of the different component types (Type 1, Type 2) are aligned with each other in such a way that the thickness variations during stacking at least partially compensate for each other.

Electro-magnetic devices are provided, having conductive elements and leads of multiple thicknesses. Templates are provided for making electro-magnetic devices, formed by an extrusion process, a skiving process, a swaging process, 3D printing, or a machining process. The multi-thickness electro-magnetic devices may comprise a conductive element having an increased thickness area, and one or more leads having at least one decreased thickness area, having a thickness less than the increased thickness area. An electro-magnetic device may be provided comprising a conductive element having an increased thickness encased in a body formed from a core material, and leads or lead portions connected to the conductive element having a decreased thickness.

The utility model relates to a novel mould structure for a compression molding process of a fiber reinforced composite material, which comprises an upper mould and a lower mould which are used for compression molding of the fiber reinforced composite material, and connecting devices which are matched with each other are arranged on the upper mould and the lower mould; an upper cavity is formed in the upper die, a lower cavity matched with the upper cavity is formed in the lower die, an ejection block groove is further formed in the lower die in the lower cavity, an ejection block is arranged in the ejection block groove, and concave-convex matching surfaces matched with each other are arranged on the upper die at the upper cavity and the lower die at the lower cavity. A yarn clamping position used for being matched with the concave-convex matching face and an overflow groove used for being matched with the yarn clamping position are formed in the position, on the concave-convex matching face, of the lower die. According to the utility model, the yarn clamping thickness can be reduced, the compactness of a product is increased, and the size of the product is ensured.

This invention discloses a method for reducing the thickness effect of REBCO coated conductors and a REBCO coated conductor, relating to the field of superconducting materials technology. Specifically, the method involves depositing a non-stoichiometric REBCO coating. The REBCO material satisfies the following general formula: RE 1+a Ba 2‑b Cu 3‑c O 7‑x Where RE represents rare earth elements; a, b, and c are composition control parameters. This invention starts from the design of the deposition source material composition and controls the supply of effective components to the growth surface throughout the entire thick film deposition process. This can reduce the compositional evolution and epitaxial degradation caused by the increase in thickness from the source, thereby reducing the thickness effect of the REBCO coating conductor.

A method includes depositing a first dielectric layer covering an electrical connector, depositing a second dielectric layer over the first dielectric layer, and performing a first etching process to etch-through the second dielectric layer and the first dielectric layer. An opening is formed in the first dielectric layer and the second dielectric layer to reveal the electrical connector. A second etching process is performed to laterally etch the first dielectric layer and the second dielectric layer. An isolation layer is deposited to extend into the opening. The isolation layer has a vertical portion and a first horizontal portion in the opening, and a second horizontal portion overlapping the second dielectric layer. An anisotropic etching process is performed on the isolation layer, with the vertical portion of the isolation layer being left in the opening.