WO2023077300A1 - Procédé de modification de la performance de surface d'un alliage léger - Google Patents

Procédé de modification de la performance de surface d'un alliage léger Download PDF

Info

Publication number
WO2023077300A1
WO2023077300A1 PCT/CN2021/128405 CN2021128405W WO2023077300A1 WO 2023077300 A1 WO2023077300 A1 WO 2023077300A1 CN 2021128405 W CN2021128405 W CN 2021128405W WO 2023077300 A1 WO2023077300 A1 WO 2023077300A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
modified
groove
lightweight
lightweight alloy
Prior art date
Application number
PCT/CN2021/128405
Other languages
English (en)
Chinese (zh)
Inventor
宋娓娓
汪洪峰
葛小乐
姜迪
蒲家飞
董旗
刘胜荣
Original Assignee
黄山学院
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 黄山学院 filed Critical 黄山学院
Priority to PCT/CN2021/128405 priority Critical patent/WO2023077300A1/fr
Priority to BE20225489A priority patent/BE1029105B1/de
Publication of WO2023077300A1 publication Critical patent/WO2023077300A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
    • B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/002—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating specially adapted for particular articles or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/04—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a rolling mill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
    • B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
    • B23K20/1275—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding involving metallurgical change
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/16—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating with interposition of special material to facilitate connection of the parts, e.g. material for absorbing or producing gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
    • B23K20/233—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
    • B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
    • B22F2007/042—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal characterised by the layer forming method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/18—Sheet panels
    • B23K2101/185—Tailored blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/08—Non-ferrous metals or alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
    • B23P2700/01—Aircraft parts

Definitions

  • the invention relates to the technical field of lightweight alloys, in particular to a method for modifying the surface performance of lightweight alloys.
  • the object of the present invention is to provide a method for modifying the performance of the surface layer of a lightweight alloy in view of the problems existing in the prior art.
  • a method for modifying the properties of the surface layer of a lightweight alloy characterized in that the steps of the method are as follows:
  • step c Add the corresponding modified powder in the groove in step a according to the modification requirements of the lightweight alloy, cover the lightweight alloy plate to be modified in step a with the cover plate in step b and the boss After one-to-one correspondence with the grooves, it is pressed into a plate with a rolling machine;
  • step d Put the plate compressed in step c into an intermediate frequency heating furnace and heat it to 380 ° C ⁇ 430 ° C, then take it out and roll it again on the rolling machine;
  • step d Put the plate rolled again in step d into the friction stir welding workbench for clamping, and then insert the stirring needle into the surface of the plate to carry out stirring modification molding;
  • the side length of the groove in the step a is 1-3 mm.
  • the distance between adjacent grooves on the surface of the lightweight alloy plate to be modified in the step a is not greater than the side length of the grooves.
  • the depth of the groove in step a is no more than 5 mm and the thickness of the boss in step b is no more than 1 mm.
  • the depth of the groove pattern in the step a is 0.5-1mm and the depth of the boss pattern in the step b is not more than 0.5mm.
  • the groove pattern in the step a and the boss pattern in the step b adopt the same pattern.
  • the groove pattern in the step a and the boss pattern in the step b adopt one of a square pattern, a rhombus pattern, or an S-shaped pattern.
  • the modified powder in the step c is a mixture of one or more of W, Ni, Ti; the uniform modified powder is evenly laid in the groove in the step a and compacted, in the step a
  • the lightweight alloy to be modified is covered with the cover plate in step b, the bosses face the inside of the groove and correspond one by one, and then pressed into a plate with a rolling machine.
  • the length of the stirring needle in step e is the sum of the thickness of the cover plate in step b and the depth of the groove in step a.
  • the stirring needle in the step e is inclined 1°-3° relative to the surface layer of the board.
  • the present invention has the following advantages:
  • the method of the present invention adds relevant metal powder inside the lightweight alloy, and then makes the added metal powder semi-melted by means of medium frequency heating, etc., and then forms a modified surface layer by rolling and stirring, and then removes it by grinding.
  • the burrs and flashes on the surface can obtain the best lightweight alloy modified surface; this method can realize the modification of the lightweight alloy surface with various performance requirements, the cost is low, and it is easy to popularize and apply.
  • a method for modifying the performance of the surface layer of a lightweight alloy the steps of which are: a. milling several grooves on the surface of the lightweight alloy plate to be modified, the side length of the groove is 1-3mm and the distance between adjacent grooves is The distance between them is not greater than the side length of the groove, the depth of the groove is not more than 5mm, and the bottom of the groove will be engraved with a square pattern (or one of diamond pattern, S-shaped pattern and other various patterns). The depth is 0.5 ⁇ 1mm; b.
  • the thickness of the cover plate is not more than 2mm, and mill out a boss with the same size as the groove in step a on its surface,
  • the thickness of the boss is 1mm and the boss is also engraved with a square pattern (or diamond pattern, S-shaped pattern and other various patterns), and the depth of the boss pattern does not exceed 0.5mm; c.
  • a method for modifying the performance of the surface layer of a lightweight alloy the steps of which are: a. Milling several grooves on the surface of the lightweight alloy plate to be modified, the side length of the grooves is 2mm and the distance between adjacent grooves The spacing is 1.5cm, the depth of the groove is 4mm, the bottom of the groove will be engraved with a square pattern, and the depth of the groove pattern is 1mm; b. Select the cover plate with the same material as the lightweight alloy plate to be modified, and the thickness of the cover plate 2mm, and mill out a boss with the same size as the groove on its surface. The thickness of the boss is 1mm and the boss is also engraved with a square pattern. The depth of the boss pattern is 0.5mm; c.
  • a method for modifying the performance of the surface layer of a lightweight alloy the steps of which are: a. milling several grooves on the surface of the lightweight alloy plate to be modified, the side length of the groove is 2.5mm and the distance between adjacent grooves is The distance between the grooves is 2cm, the depth of the groove is 5mm, the bottom of the groove will be engraved with S-shaped patterns, and the depth of the groove pattern is 0.8mm; b. Select the cover plate with the same material as the lightweight alloy plate to be modified, cover The thickness of the plate is 1.8mm, and a boss with the same size as the groove is milled on its surface. The thickness of the boss is 1mm and the boss is also engraved with an S-shaped pattern.
  • the depth of the boss pattern is 0.45mm; c.
  • Add appropriate modified powder lay the uniformly mixed modified powder in the groove, and compact it, cover the cover plate, and the bosses are facing the inside of the groove one by one, and then use Press the rolling machine into a plate; d. Put the rolled plate into the intermediate frequency heating furnace and heat it to 390°C, then take it out and roll it again on the rolling machine; e. Put the rolled plate into the Clamp it on the friction stir welding workbench, and then insert the stirring needle (the length of the stirring needle is the sum of the thickness of the cover plate and the depth of the groove) into the surface layer of the plate for stirring and modification molding.
  • the stirring needle in the stirring head should be inclined 2.5°; f 1. Put the stirred plate on the grinder for grinding to remove flash and burrs, and finally obtain the modified lightweight alloy surface.
  • a method for modifying the performance of the surface layer of a lightweight alloy the steps of which are: a. milling several grooves on the surface of the lightweight alloy plate to be modified, the side length of the grooves is 1.5mm and the distance between adjacent grooves is The distance between the grooves is 1.2cm, the depth of the groove is 4.5mm, the bottom of the groove will be engraved with a diamond pattern, and the depth of the groove pattern is 0.8mm; b. Select the cover plate with the same material as the lightweight alloy plate to be modified, The thickness of the cover plate is 1.8mm, and a boss with the same size as the groove is milled on its surface. The thickness of the boss is 1mm and the boss is also engraved with a diamond pattern.
  • the depth of the boss pattern is 0.3mm; c.
  • Add appropriate modified powder lay the uniformly mixed modified powder in the groove, and compact it, cover the cover plate, and the bosses are facing the inside of the groove one by one, and then use Press the rolling machine into a plate; d. Put the rolled plate into the intermediate frequency heating furnace and heat it to 405°C, then take it out and roll it again on the rolling machine; e. Put the rolled plate into the Clamp it on the friction stir welding workbench, and then insert the stirring needle (the length of the stirring needle is the sum of the thickness of the cover plate and the depth of the groove) into the surface layer of the plate for stirring and modification molding.
  • the stirring needle in the stirring head should be inclined 1°; f 1. Put the stirred plate on the grinder for grinding to remove flash and burrs, and finally obtain the modified lightweight alloy surface.
  • the method of the present invention is based on the parts used by the user. Since the demand is small but the variety is diverse, the surface of the plate is slotted and filled with modified powder, and then a thin plate of the same material is covered on it. First, it is heated by intermediate frequency. Plasticize the added metal powder, then modify the surface layer by means of rolling and stirring molding, and finally remove the burrs and flashes on the surface by grinding, and finally obtain the desired modified surface layer; this method is simple and reliable , Feasible, pollution-free, and low cost, can be popularized and applied.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Metal Rolling (AREA)

Abstract

La présente divulgation concerne un procédé de modification de la performance de surface d'un alliage léger. Le procédé comprend les étapes suivantes consistant à : fraiser, sur la surface d'une plaque d'alliage léger à modifier, une pluralité d'évidements gravés avec des motifs d'évidement au niveau du fond ; sélectionner une plaque de couverture ayant le même matériau que la plaque d'alliage léger à modifier et ayant une épaisseur inférieure ou égale à 2 mm, et fraiser, sur la surface de la plaque de recouvrement, les bossages gravés avec des motifs de bossage sur la surface ; ajouter de la poudre modifiée correspondante dans les évidements en fonction des exigences de modification de l'alliage léger, et une fois que la plaque de couverture est recouverte, presser la plaque de couverture et la plaque d'alliage léger pour former une plaque à l'aide d'une machine de laminage ; mettre la plaque dans un four de chauffage à fréquence intermédiaire, chauffer à 380 °C-430 °C, puis sortir et laminer à nouveau sur la machine de laminage ; mettre la plaque sur un établi de soudage par friction-malaxage à serrer, puis insérer une aiguille de malaxage dans la couche de surface de la plaque pour le moulage de modification par malaxage ; et placer la plaque sur une machine de meulage pour le meulage, éliminer les bavures et coulures, et enfin obtenir une couche de surface d'alliage léger modifiée. La présente invention permet de réaliser une modification de surface d'alliage léger selon diverses exigences de performance, et est simple, fiable, faisable et peu chère.
PCT/CN2021/128405 2021-11-03 2021-11-03 Procédé de modification de la performance de surface d'un alliage léger WO2023077300A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2021/128405 WO2023077300A1 (fr) 2021-11-03 2021-11-03 Procédé de modification de la performance de surface d'un alliage léger
BE20225489A BE1029105B1 (de) 2021-11-03 2022-06-22 Ein Verfahren zur Modifizierung der Oberflächenleistung von Leichtmetalllegierungen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/128405 WO2023077300A1 (fr) 2021-11-03 2021-11-03 Procédé de modification de la performance de surface d'un alliage léger

Publications (1)

Publication Number Publication Date
WO2023077300A1 true WO2023077300A1 (fr) 2023-05-11

Family

ID=82358639

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/128405 WO2023077300A1 (fr) 2021-11-03 2021-11-03 Procédé de modification de la performance de surface d'un alliage léger

Country Status (2)

Country Link
BE (1) BE1029105B1 (fr)
WO (1) WO2023077300A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090110949A1 (en) * 2007-10-31 2009-04-30 Hitachi, Ltd Multi-sheet structures and method for manufacturing same
CN104818401A (zh) * 2015-04-27 2015-08-05 武汉理工大学 制备闭孔泡沫金属的搅拌摩擦焊方法
CN105209209A (zh) * 2013-01-22 2015-12-30 犹他大学研究基金会 摩擦点焊和摩擦缝焊
CN107757060A (zh) * 2017-10-10 2018-03-06 西安交通大学 一种金属基表面复合材料及其制备方法
US20180073532A1 (en) * 2016-09-12 2018-03-15 Battelle Memorial Institute System and process for joining dissimilar materials and solid-state interlocking joint with intermetallic interface formed thereby
CN108396163A (zh) * 2018-01-22 2018-08-14 武汉理工大学 碳纳米管增强泡沫铝基复合材料的制备方法
CN109161758A (zh) * 2018-09-14 2019-01-08 合肥工业大学 一种高强度高塑性镁合金复合板材及制备方法
CN110640299A (zh) * 2019-09-26 2020-01-03 沈阳航空航天大学 一种金属与聚合物板材搅拌摩擦嵌套连接方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8963042B2 (en) * 2009-04-09 2015-02-24 GM Global Technology Operations LLC Welding light metal workpieces by reaction metallurgy
CN108687159A (zh) * 2018-05-14 2018-10-23 浙江众泰汽车制造有限公司 一种铝镁合金复合板材及其制备方法
CN108930034B (zh) * 2018-05-31 2021-01-29 西安建筑科技大学 一种轻金属块体复合材料的制备方法、复合材料及装置
CN109570933B (zh) * 2018-12-20 2021-05-04 西安建筑科技大学 一种搅拌摩擦焊接制备梯度材料的方法及制备的梯度材料

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090110949A1 (en) * 2007-10-31 2009-04-30 Hitachi, Ltd Multi-sheet structures and method for manufacturing same
CN105209209A (zh) * 2013-01-22 2015-12-30 犹他大学研究基金会 摩擦点焊和摩擦缝焊
CN104818401A (zh) * 2015-04-27 2015-08-05 武汉理工大学 制备闭孔泡沫金属的搅拌摩擦焊方法
US20180073532A1 (en) * 2016-09-12 2018-03-15 Battelle Memorial Institute System and process for joining dissimilar materials and solid-state interlocking joint with intermetallic interface formed thereby
CN107757060A (zh) * 2017-10-10 2018-03-06 西安交通大学 一种金属基表面复合材料及其制备方法
CN108396163A (zh) * 2018-01-22 2018-08-14 武汉理工大学 碳纳米管增强泡沫铝基复合材料的制备方法
CN109161758A (zh) * 2018-09-14 2019-01-08 合肥工业大学 一种高强度高塑性镁合金复合板材及制备方法
CN110640299A (zh) * 2019-09-26 2020-01-03 沈阳航空航天大学 一种金属与聚合物板材搅拌摩擦嵌套连接方法

Also Published As

Publication number Publication date
BE1029105B1 (de) 2023-06-21
BE1029105A1 (de) 2022-09-07

Similar Documents

Publication Publication Date Title
CN108165859B (zh) 一种大尺寸无粘结相纯碳化钨硬质合金的sps烧结方法
CN103362913A (zh) 一种点胶工艺
CN103894695A (zh) 一种cvd金刚石厚膜与硬质合金的焊接方法
CN104816257A (zh) 网印式浇铸法金刚石干磨片及其制造工艺
CN103551972A (zh) 核电汽轮机磨削专用砂轮及其制造方法
WO2023077300A1 (fr) Procédé de modification de la performance de surface d'un alliage léger
CN110714198B (zh) 一种真空烧结法用于激光熔覆制备涂层工艺的方法
CN201253809Y (zh) 仿形砂轮
CN207840730U (zh) 一种用于铣削加工的高密度微细缝隙薄板结构定位夹具
CN108232316A (zh) 一种电芯冷热压机构
CN103978218B (zh) 一种制备高平面度钨镍铁合金板的方法
CN105369103B (zh) 一种超细晶硬质合金分条分切刀的制备方法
CN102853676A (zh) 一种热压加工夹具及使用该夹具的热压加工方法
CN103586792A (zh) 陶瓷cbn砂轮的制备方法
CN103981398B (zh) 一种高性能金属陶瓷覆层材料及其制备方法
WO2018196667A1 (fr) Procédé de fabrication d'une plaque de poids ayant un poids fixe pour haltère
CN106378715A (zh) 一种自蔓延金刚石雕刻磨头及其制造方法
CN207087654U (zh) 一种焊接型金刚石磨轮
CN112548881B (zh) 一种高效率修整cbn砂轮的金刚石滚轮制备方法
CN104926311A (zh) 反应烧结碳化硅陶瓷均温板
CN101775574B (zh) 一种金属表面混合渗镀立方氮化硼和金刚石的热处理工艺
CN201267056Y (zh) 离线复合式的冶具模块
CN204237564U (zh) 石墨散热片的制造设备
CN113178540A (zh) 一种提升热电池制片平整性的方法
CN116442131B (zh) 一种陶瓷中板加工用的树脂结合剂磨轮及其制备方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21962819

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE