CN103602902A - Powder metallurgy pressure-resistant composite metal material and preparation method thereof - Google Patents
Powder metallurgy pressure-resistant composite metal material and preparation method thereof Download PDFInfo
- Publication number
- CN103602902A CN103602902A CN201310469328.3A CN201310469328A CN103602902A CN 103602902 A CN103602902 A CN 103602902A CN 201310469328 A CN201310469328 A CN 201310469328A CN 103602902 A CN103602902 A CN 103602902A
- Authority
- CN
- China
- Prior art keywords
- powder
- metal material
- composite metal
- hour
- sintering
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 21
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims description 8
- 239000007769 metal material Substances 0.000 title abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 229910000619 316 stainless steel Inorganic materials 0.000 claims abstract description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 7
- 239000011733 molybdenum Substances 0.000 claims abstract description 7
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 7
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 6
- 239000011651 chromium Substances 0.000 claims abstract description 6
- 239000010439 graphite Substances 0.000 claims abstract description 6
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims abstract description 4
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000005245 sintering Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 12
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 6
- 239000003610 charcoal Substances 0.000 claims description 6
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000010452 phosphate Substances 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 6
- 229910052700 potassium Inorganic materials 0.000 claims description 6
- 239000011591 potassium Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- -1 Z 250 Substances 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000010583 slow cooling Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 230000005389 magnetism Effects 0.000 abstract description 2
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 230000002929 anti-fatigue Effects 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005275 alloying Methods 0.000 description 1
- LJAOOBNHPFKCDR-UHFFFAOYSA-K chromium(3+) trichloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Cl-].[Cr+3] LJAOOBNHPFKCDR-UHFFFAOYSA-K 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Abstract
The invention discloses a powder metallurgy pressure-resistant composite metal material. The composite metal material is characterized in that: the composite metal material is prepared from following raw materials in parts by weight: 45-47 of 316 stainless steel powder, 50-74 of iron powder, 1-2 of graphite fiber, 1-2 of molybdenum disulfide, 7-8.5 of aluminum, 4.5-5.5 of vanadium, 11-13 of molybdenum, 4-5 of chromium and 2-3 of an additive; the graphite is added in the raw materials, thus enhancing the wear resistance and lubricating property of an axle sleeve; the axle sleeve prepared from the composite metal material has compact structure, good microstructure, small porosity, and excellent structural stiffness, hardness, antifatigue performance and tensile strength; the composite metal material can be used for preparing automotive EFI pumps; and the composite metal material can be used for products having requirements on corrosion resistance, small residual magnetism, gas tightness and surface hardness, such as motorcycles, gasoline engines, diesel engines, and the like.
Description
Technical field
The present invention relates to field of powder metallurgy, particularly withstand voltage composite material of a kind of powder metallurgy and preparation method thereof.
Background technology
Powder metallurgy be produce metal-powder or with metal-powder (or mixture of metal-powder and non-metal powder) as raw material, through being shaped and sintering, produce the industrial technology of metallic substance, matrix material and all kinds goods.At present, powder metallurgy technology has been widely used in the fields such as traffic, machinery, electronics, aerospace, weapons, biology, new forms of energy, information and nuclear industry, becomes one of branch of tool development vitality in novel material science.That powder metallurgy technology possesses is significantly energy-conservation, economize material, excellent performance, Product Precision is high and the series of advantages such as good stability, is very suitable for producing in enormous quantities.In addition, part material and the also available powder metallurgy technology manufacture of complicated shape that with conventional cast method and machining process, cannot prepare, thereby enjoy the attention of industry member.Powder metallurgy structural part product material composition is not limited by melting, both can add alloying constituent, can add other structural constituent yet, and adjusts as requested in sizable scope, and then can reach the effect of mating with steel part in mechanical property.
Powder metallurgy mechanization degree is high, can reduce personnel, can raise the efficiency again, so that cost-saving.Powder metallurgy technology can replace traditional manufacturing process, for the vast traditional forms of enterprises cost-saving.
The stainless steel of manufacturing with powder metallurgy process, it is a kind of mmaterial, can be made into steel or part.Its advantage is to reduce segregation, and refinement microstructure, improves performance, saves material, and energy efficient, reduces costs.
So study the formula of the powder metallurgy of various components of machine, adapt to different needs, have great importance.
Summary of the invention
The object of this invention is to provide withstand voltage composite material of a kind of powder metallurgy and preparation method thereof.
In order to realize object of the present invention, the present invention passes through following scheme implementation:
Powder metallurgy is a withstand voltage composite material, is made by the raw material of following weight part: 316 Stainless Steel Powder 45-47, iron powder 50-54, graphite fibre 1-2, molybdenumdisulphide 1-2, aluminium 7-8.5, vanadium 4.5-5.5, molybdenum 11-13, chromium 4-5, auxiliary agent 2-3;
Described auxiliary agent is made by the raw material of following weight part: iron powder 30-34, bamboo charcoal 3-5, citric acid 2-3, nano titanium oxide 1-2, Silane coupling agent KH550 1-2, Z 250 3-4, potassium primary phosphate 1-2, Zinc Stearate 2-3, N220 carbon black 1-2, methyltrimethoxy silane 1-2; Preparation method mixes iron powder, bamboo charcoal, Z 250, potassium primary phosphate, N220 carbon black, grind to form 200-300 order powder, then add methyltrimethoxy silane to mix, under 10-15Mpa, be pressed into blank, then, send at 920-950 ℃ and calcine 3-4 hour, cooling after, be ground into 300-400 order powder, mix with other remaining component, be heated to 60-70 ℃, under 1200-1500 rev/min, stir 1-2 hour, obtain.
Powder metallurgy of the present invention is withstand voltage composite material, by following concrete steps, made:
(1) 316 Stainless Steel Powders, iron powder, aluminium, vanadium, molybdenum, chromium are mixed, add in suitable quantity of water, send into ball milling in ball mill, obtain 250-400 order powder, then, spraying is dry, oven dry, under 9-13Mpa pressure, is pressed into bulk, then under nitrogen protection atmosphere 650-750 ℃ carry out sintering 8-10 hour, will be after the crushing material after sintering cross 200-400 mesh sieve;
(2) other remaining component is mixed;
(3) at 60-65 ℃, after mixing and stirring 70-90 minute, pack step (1), (2) material into mould, be pressed into base;
(4) pressed compact is placed in sintering oven, with 6-8 ℃/min of speed, is warming up to sintering 2-3 hour under 800-850 ℃ of condition; Then with 5-7 ℃/min of speed, be warming up to sintering 2-3 hour under 1050-1150 ℃ of condition; To be cooled to 425-455 ℃ with 8-10 ℃/min of speed again, be incubated after 1.5-2 hour, in air, slow cooling is to room temperature again.
In raw material of the present invention, increase graphite, increased wear resistance and the oilness of axle sleeve, the axle sleeve dense structure of manufacture, microtexture is good, and seldom, structural rigidity, hardness, fatigue performance, tensile strength properties are good for hole; For the preparation of automobile electronic fuel oil jet pump, adjust cushion block, material of the present invention also can be used for motorcycle, petrol motor, diesel engine etc., and other have the product of requirement to corrosion-resistant, few remanent magnetism, resistance to air loss and surface hardness.
Specific embodiments
Below by specific examples, the present invention is described in detail.
Powder metallurgy is a withstand voltage composite material, by following weight part (kilogram) raw material make: 316 Stainless Steel Powders 45, iron powder 50, graphite fibre 1, molybdenumdisulphide 1, aluminium 7, vanadium 4.5, molybdenum 11, chromium 4, auxiliary agent 2;
Described auxiliary agent by following weight part (kilogram) raw material make: iron powder 30, bamboo charcoal 3, citric acid 2, nano titanium oxide 1, Silane coupling agent KH550 1, Z 250 3, potassium primary phosphate 1, Zinc Stearate 2, N220 carbon black 1, methyltrimethoxy silane 1; Preparation method mixes iron powder, bamboo charcoal, Z 250, potassium primary phosphate, N220 carbon black, grind to form 200-300 order powder, then add methyltrimethoxy silane to mix, under 10-15Mpa, be pressed into blank, then, send at 920-950 ℃ and calcine 3-4 hour, cooling after, be ground into 300-400 order powder, mix with other remaining component, be heated to 60-70 ℃, under 1200-1500 rev/min, stir 1-2 hour, obtain.
Powder metallurgy of the present invention is withstand voltage composite material, by following concrete steps, made:
(1) 316 Stainless Steel Powders, iron powder, aluminium, vanadium, molybdenum, chromium are mixed, add in suitable quantity of water, send into ball milling in ball mill, obtain 250-400 order powder, then, spraying is dry, oven dry, under 9-13Mpa pressure, is pressed into bulk, then under nitrogen protection atmosphere 650-750 ℃ carry out sintering 8-10 hour, will be after the crushing material after sintering cross 200-400 mesh sieve;
(2) other remaining component is mixed;
(3) at 60-65 ℃, after mixing and stirring 70-90 minute, pack step (1), (2) material into mould, be pressed into base;
(4) pressed compact is placed in sintering oven, with 6-8 ℃/min of speed, is warming up to sintering 2-3 hour under 800-850 ℃ of condition; Then with 5-7 ℃/min of speed, be warming up to sintering 2-3 hour under 1050-1150 ℃ of condition; To be cooled to 425-455 ℃ with 8-10 ℃/min of speed again, be incubated after 1.5-2 hour, in air, slow cooling is to room temperature again.
Through detection, hardness of the present invention: HRC89; Tensile strength: 830MPa.
Claims (2)
1. the withstand voltage composite material of powder metallurgy, it is characterized in that, by the raw material of following weight part, made: 316 Stainless Steel Powder 45-47, iron powder 50-54, graphite fibre 1-2, molybdenumdisulphide 1-2, aluminium 7-8.5, vanadium 4.5-5.5, molybdenum 11-13, chromium 4-5, auxiliary agent 2-3;
Described auxiliary agent is made by the raw material of following weight part: iron powder 30-34, bamboo charcoal 3-5, citric acid 2-3, nano titanium oxide 1-2, Silane coupling agent KH550 1-2, Z 250 3-4, potassium primary phosphate 1-2, Zinc Stearate 2-3, N220 carbon black 1-2, methyltrimethoxy silane 1-2; Preparation method mixes iron powder, bamboo charcoal, Z 250, potassium primary phosphate, N220 carbon black, grind to form 200-300 order powder, then add methyltrimethoxy silane to mix, under 10-15Mpa, be pressed into blank, then, send at 920-950 ℃ and calcine 3-4 hour, cooling after, be ground into 300-400 order powder, mix with other remaining component, be heated to 60-70 ℃, under 1200-1500 rev/min, stir 1-2 hour, obtain.
2. the withstand voltage composite material of powder metallurgy according to claim 1, is characterized in that, by following concrete steps, is made:
(1) 316 Stainless Steel Powders, iron powder, aluminium, vanadium, molybdenum, chromium are mixed, add in suitable quantity of water, send into ball milling in ball mill, obtain 250-400 order powder, then, spraying is dry, oven dry, under 9-13Mpa pressure, is pressed into bulk, then under nitrogen protection atmosphere 650-750 ℃ carry out sintering 8-10 hour, will be after the crushing material after sintering cross 200-400 mesh sieve;
(2) other remaining component is mixed;
(3) at 60-65 ℃, after mixing and stirring 70-90 minute, pack step (1), (2) material into mould, be pressed into base;
(4) pressed compact is placed in sintering oven, with 6-8 ℃/min of speed, is warming up to sintering 2-3 hour under 800-850 ℃ of condition; Then with 5-7 ℃/min of speed, be warming up to sintering 2-3 hour under 1050-1150 ℃ of condition; To be cooled to 425-455 ℃ with 8-10 ℃/min of speed again, be incubated after 1.5-2 hour, in air, slow cooling is to room temperature again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310469328.3A CN103602902B (en) | 2013-10-10 | 2013-10-10 | A kind of Powder metallurgy pressure-resistant composite metal material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310469328.3A CN103602902B (en) | 2013-10-10 | 2013-10-10 | A kind of Powder metallurgy pressure-resistant composite metal material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103602902A true CN103602902A (en) | 2014-02-26 |
| CN103602902B CN103602902B (en) | 2016-03-09 |
Family
ID=50121164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310469328.3A Active CN103602902B (en) | 2013-10-10 | 2013-10-10 | A kind of Powder metallurgy pressure-resistant composite metal material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103602902B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790481A (en) * | 2016-05-17 | 2016-07-20 | 安徽旋利达电机有限公司 | Pressure-resistant motor housing |
| CN105821280A (en) * | 2016-04-28 | 2016-08-03 | 昌利锻造有限公司 | Powder metallurgy tool steel for automobile gear shift fork |
| CN105970123A (en) * | 2016-05-17 | 2016-09-28 | 安徽旋利达电机有限公司 | Pressure resistant electric machinery rotor |
| CN107338384A (en) * | 2017-06-16 | 2017-11-10 | 苏州莱特复合材料有限公司 | A kind of preparation method of powder metallurgy automobile piston |
| CN107900325A (en) * | 2017-11-23 | 2018-04-13 | 日照职业技术学院 | A kind of Powder metallurgy pressure-resistant composite metal material and preparation method thereof |
| CN109930093A (en) * | 2017-12-17 | 2019-06-25 | 宜兴安纳西智能机械设备有限公司 | A kind of pole plate cleaning brush mill apparatus bowl-type brush material |
| CN114231854A (en) * | 2021-11-22 | 2022-03-25 | 深圳市波尔顿科技有限公司 | High-strength high-corrosion-resistance stainless steel for antibacterial cutter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1947896A (en) * | 2005-10-12 | 2007-04-18 | 日立粉末冶金株式会社 | Method of manufacturing the anti-wear sintered member, sintered valve seat, and method of manufacturing the same |
| CN101107376A (en) * | 2005-01-31 | 2008-01-16 | 株式会社小松制作所 | Sintered material, iron-based sintered sliding material and process for producing the same, sliding member and process for producing the same, and connecting apparatus |
| CN102172775A (en) * | 2005-10-12 | 2011-09-07 | 日立粉末冶金株式会社 | Method of manufacturing sintered valve seat |
| CN103231061A (en) * | 2013-03-30 | 2013-08-07 | 安徽省恒宇粉末冶金有限公司 | Powder metallurgy synchronous wheel and preparation method thereof |
-
2013
- 2013-10-10 CN CN201310469328.3A patent/CN103602902B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101107376A (en) * | 2005-01-31 | 2008-01-16 | 株式会社小松制作所 | Sintered material, iron-based sintered sliding material and process for producing the same, sliding member and process for producing the same, and connecting apparatus |
| CN1947896A (en) * | 2005-10-12 | 2007-04-18 | 日立粉末冶金株式会社 | Method of manufacturing the anti-wear sintered member, sintered valve seat, and method of manufacturing the same |
| CN102172775A (en) * | 2005-10-12 | 2011-09-07 | 日立粉末冶金株式会社 | Method of manufacturing sintered valve seat |
| CN103231061A (en) * | 2013-03-30 | 2013-08-07 | 安徽省恒宇粉末冶金有限公司 | Powder metallurgy synchronous wheel and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821280A (en) * | 2016-04-28 | 2016-08-03 | 昌利锻造有限公司 | Powder metallurgy tool steel for automobile gear shift fork |
| CN105790481A (en) * | 2016-05-17 | 2016-07-20 | 安徽旋利达电机有限公司 | Pressure-resistant motor housing |
| CN105970123A (en) * | 2016-05-17 | 2016-09-28 | 安徽旋利达电机有限公司 | Pressure resistant electric machinery rotor |
| CN107338384A (en) * | 2017-06-16 | 2017-11-10 | 苏州莱特复合材料有限公司 | A kind of preparation method of powder metallurgy automobile piston |
| CN107900325A (en) * | 2017-11-23 | 2018-04-13 | 日照职业技术学院 | A kind of Powder metallurgy pressure-resistant composite metal material and preparation method thereof |
| CN109930093A (en) * | 2017-12-17 | 2019-06-25 | 宜兴安纳西智能机械设备有限公司 | A kind of pole plate cleaning brush mill apparatus bowl-type brush material |
| CN114231854A (en) * | 2021-11-22 | 2022-03-25 | 深圳市波尔顿科技有限公司 | High-strength high-corrosion-resistance stainless steel for antibacterial cutter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103602902B (en) | 2016-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103602902B (en) | A kind of Powder metallurgy pressure-resistant composite metal material and preparation method thereof | |
| CN103602849B (en) | A kind of copper base alloy material for sliding bearing and preparation method thereof | |
| CN103537672A (en) | Powder metallurgy automobile engine connecting rod and manufacturing method thereof | |
| CN103540857A (en) | Powder metallurgy wear-resistant corrosion-resistant bearing material and preparation method thereof | |
| CN103567433A (en) | Powder metallurgy valve seat and preparation method thereof | |
| CN103537664A (en) | Powder metallurgy composite material and manufacturing method thereof | |
| CN103572163A (en) | Powder-metallurgy valve seat insert and preparation method thereof | |
| CN103540868A (en) | Powder metallurgy clutch friction piece and preparation method thereof | |
| CN103600074B (en) | A kind of powder metallurgy antifriction alloy and preparation method thereof | |
| CN103600060A (en) | Powder metallurgy metal bearing material and manufacturing method thereof | |
| CN103602898B (en) | A kind of powder metallurgy automobile shifter of transmission bearing and preparation method thereof | |
| CN103551578A (en) | Power metallurgy iron-based engine valve seat and production method thereof | |
| CN103537669A (en) | Powder-metallurgy automobile booster pump stator and manufacturing method thereof | |
| CN104120361A (en) | Powder-metallurgy composite material and preparation method thereof | |
| CN103600061B (en) | A kind of powder metallurgy plunger displacement pump blank and preparation method thereof | |
| CN107354407A (en) | A kind of heavy load low abrasion copper base friction material and preparation method thereof | |
| CN103537678A (en) | Powder metallurgy automobile bearing and manufacturing method thereof | |
| CN103600076B (en) | A kind of powder metallurgy automobile power steering pump stator and preparation method thereof | |
| CN103537667A (en) | Powder metallurgy engine oil delivery pump rotor and manufacturing method thereof | |
| CN103600062B (en) | A kind of sintered alloy composite and preparation method thereof | |
| CN103551577A (en) | Power metallurgy automobile connecting bar and production method thereof | |
| CN103602907A (en) | Powder metallurgy slewing bearing and preparation method thereof | |
| CN104120367A (en) | High-hardness flange prepared by employing powder metallurgy and preparation method thereof | |
| CN103572162A (en) | Powder-metallurgy slippage pump rotor and preparation method thereof | |
| CN103537682A (en) | Composite metal bearing material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181204 Address after: 538000 Guangxi Fangchenggang Economic and Technological Development Zone Patentee after: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Address before: 244131 Jinqiao Industrial Park, Tongling County, Tongling, Anhui Patentee before: TONGLING XINCHUANG FLUID TECHNOLOGY Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: The invention relates to a powder metallurgy pressure resistant composite metal material and a preparation method thereof Effective date of registration: 20211203 Granted publication date: 20160309 Pledgee: Bank of Guilin Co.,Ltd. Fangchenggang branch Pledgor: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Registration number: Y2021450000056 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220714 Granted publication date: 20160309 Pledgee: Bank of Guilin Co.,Ltd. Fangchenggang branch Pledgor: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Registration number: Y2021450000056 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A powder metallurgy pressure resistant composite metal material and its preparation method Effective date of registration: 20220719 Granted publication date: 20160309 Pledgee: Bank of Guilin Co.,Ltd. Fangchenggang branch Pledgor: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Registration number: Y2022450000096 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231222 Granted publication date: 20160309 Pledgee: Bank of Guilin Co.,Ltd. Fangchenggang branch Pledgor: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Registration number: Y2022450000096 |