CN109865831B - A kind of degassing method of particle reinforced aluminum matrix composite powder - Google Patents
A kind of degassing method of particle reinforced aluminum matrix composite powder Download PDFInfo
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- CN109865831B CN109865831B CN201711265812.9A CN201711265812A CN109865831B CN 109865831 B CN109865831 B CN 109865831B CN 201711265812 A CN201711265812 A CN 201711265812A CN 109865831 B CN109865831 B CN 109865831B
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- vacuum valve
- decompression chamber
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 62
- 239000000843 powder Substances 0.000 title claims abstract description 54
- 239000002131 composite material Substances 0.000 title claims abstract description 35
- 238000007872 degassing Methods 0.000 title claims abstract description 12
- 239000011159 matrix material Substances 0.000 title claims description 10
- 239000002245 particle Substances 0.000 title description 9
- 230000006837 decompression Effects 0.000 claims abstract description 67
- 238000000034 method Methods 0.000 claims abstract description 53
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 239000011888 foil Substances 0.000 claims abstract description 24
- 238000009849 vacuum degassing Methods 0.000 claims abstract description 14
- 238000004321 preservation Methods 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 238000010943 off-gassing Methods 0.000 claims 1
- 238000012856 packing Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 5
- 238000004663 powder metallurgy Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 206010049040 Weight fluctuation Diseases 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000009924 canning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Powder Metallurgy (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
本发明公开了一种低粉末损耗、低真空波动的颗粒增强铝基复合材料粉末的除气方法,该方法包括如下步骤:将复合材料粉末装入包套中;在复合材料粉末上表面覆盖带有孔洞的遮挡铝箔,焊好带有抽气管的包套上盖;将包套放入加热炉内,连接可控减压舱及真空机组;启动真空机组,打开减压舱与真空机组之间的真空阀B,当减压舱内真空度达到1×10‑2Pa‑9900Pa后,关闭真空阀B,打开连接包套抽气管的真空阀A,至数字真空计示数基本稳定后,关闭真空阀A,完成一次包套减压操作;经数次减压操作,打开真空阀A和真空阀B,加热包套;在波动温度点保温,待真空波动消失后继续加热;加热及保温过程结束,关闭真空阀,封死抽气管,完成真空除气过程。
The invention discloses a degassing method for particle-reinforced aluminum-based composite material powder with low powder loss and low vacuum fluctuation. The method comprises the steps of: packing the composite material powder into a package; covering the upper surface of the composite material powder with a tape Cover the aluminum foil with holes, and weld the upper cover of the package with the exhaust pipe; put the package into the heating furnace, connect the controllable decompression chamber and the vacuum unit; start the vacuum unit and open the space between the decompression chamber and the vacuum unit When the vacuum degree in the decompression chamber reaches 1× 10-2 Pa-9900Pa, close the vacuum valve B, open the vacuum valve A connected to the exhaust pipe of the package, and close the digital vacuum gauge after the reading is basically stable. Vacuum valve A, complete a decompression operation of the envelope; after several decompression operations, open the vacuum valve A and vacuum valve B to heat the envelope; keep warm at the fluctuating temperature point, and continue heating after the vacuum fluctuation disappears; the heating and heat preservation process At the end, close the vacuum valve, seal the exhaust pipe, and complete the vacuum degassing process.
Description
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CN201711265812.9A CN109865831B (en) | 2017-12-04 | 2017-12-04 | A kind of degassing method of particle reinforced aluminum matrix composite powder |
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CN201711265812.9A CN109865831B (en) | 2017-12-04 | 2017-12-04 | A kind of degassing method of particle reinforced aluminum matrix composite powder |
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CN109865831A CN109865831A (en) | 2019-06-11 |
CN109865831B true CN109865831B (en) | 2021-05-11 |
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CN112410598B (en) * | 2020-10-09 | 2022-03-18 | 中国科学院金属研究所 | Powder metallurgy preparation method of large size ingot of particle reinforced aluminum matrix composite material |
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JP2005060753A (en) * | 2003-08-08 | 2005-03-10 | Kuroki Kogyosho:Kk | Deaeration method for powder raw material in hip treatment |
CN101391302A (en) * | 2008-10-10 | 2009-03-25 | 华中科技大学 | A kind of overall rapid manufacturing method of hot isostatic pressing metal sheath |
CN102127672A (en) * | 2011-02-22 | 2011-07-20 | 中南大学 | Method for preparing iron-base superalloy by extrusion forming of gas atomized powder |
CN102398028B (en) * | 2011-11-15 | 2013-06-05 | 中国航空工业集团公司北京航空材料研究院 | Vacuum thermal dynamic metal powder degassing and canning method |
CN103587088B (en) * | 2013-10-22 | 2016-05-11 | 铜陵格瑞特挤出技术有限公司 | Section bar extrusion dry-type stock mold vacuum extractor |
CN104611597B (en) * | 2013-11-01 | 2016-09-14 | 北京有色金属研究总院 | Particle-reinforced aluminum-based ingot forming and degassing method |
GB201416223D0 (en) * | 2014-09-15 | 2014-10-29 | Rolls Royce Plc | Manufacturing method |
CN106903302B (en) * | 2017-02-28 | 2018-08-21 | 西安聚能装备技术有限公司 | A kind of metal powder degassing, encapsulation, pincers envelope integration apparatus |
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Effective date of registration: 20190628 Address after: 101407 No. 11 Xingke East Street, Yanqi Economic Development Zone, Huairou District, Beijing Applicant after: YOUYAN ENGINEERING TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Address before: No. 2, Xinjie street, Xicheng District, Beijing, Beijing Applicant before: General Research Institute for Nonferrous Metals |
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Effective date of registration: 20210720 Address after: 101407 No.11, Xingke East Street, Yanqi Economic and Technological Development Zone, Huairou District, Beijing Patentee after: Youyan metal composite technology Co.,Ltd. Address before: 101407 No. 11 Xingke East Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee before: YOUYAN ENGINEERING TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. |
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Address after: 101407 No. 11 Xingke East Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee after: Youyan Metal Composite Materials (Beijing) Co.,Ltd. Country or region after: China Address before: 101407 No.11, Xingke East Street, Yanqi Economic and Technological Development Zone, Huairou District, Beijing Patentee before: Youyan metal composite technology Co.,Ltd. Country or region before: China |
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