CN101041870A - Preparation method of copper radical self-lubricating materials - Google Patents
Preparation method of copper radical self-lubricating materials Download PDFInfo
- Publication number
- CN101041870A CN101041870A CN200710065840.6A CN200710065840A CN101041870A CN 101041870 A CN101041870 A CN 101041870A CN 200710065840 A CN200710065840 A CN 200710065840A CN 101041870 A CN101041870 A CN 101041870A
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- China
- Prior art keywords
- copper
- powder
- sintering
- lubricating materials
- preparation
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- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 29
- 239000010949 copper Substances 0.000 title claims abstract description 23
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims description 16
- 238000005245 sintering Methods 0.000 claims abstract description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 20
- 229910000640 Fe alloy Inorganic materials 0.000 claims abstract description 13
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 239000002994 raw material Substances 0.000 claims description 12
- 238000005868 electrolysis reaction Methods 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 3
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 229910000365 copper sulfate Inorganic materials 0.000 abstract 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 abstract 1
- 238000005987 sulfurization reaction Methods 0.000 description 8
- 239000000314 lubricant Substances 0.000 description 6
- 229910000881 Cu alloy Inorganic materials 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- -1 polyoxymethylene Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
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- Powder Metallurgy (AREA)
Abstract
The invention discloses a making method of copper based self-lubricating material, which comprises the following steps: blending 10%-32% copper-iron alloy powder, 8%-25% copper sulfate and industrial electrolytic copper powder to press under 100-200Mpa; sintering into blank under 650-800 deg.c; pressing again; squeezing; dispersing FeS particle evenly in the Cu base; reducing abrasion effect; saving cost without polluting.
Description
Affiliated technical field
The invention belongs to metal-base composites and preparation thereof, particularly relate to copper radical self-lubricating materials and preparation method.
Background technology
Known copper radical self-lubricating materials and preparation method thereof is mainly powder metallurgic method, comprising:
1. copper or copper alloy foundation stone China ink solid self-lubricant material: adopt the conventional cold-rolled sintered method of powder metallurgy to produce material, its process is for mixing powder-compacting-sintering.Select suitable caking agent for use, adopt the material by wet type mixing mode, flaky graphite powder thorough mixing in copper alloy matrix is even, compression moulding in punching block under the room temperature condition, pressing pressure is 560MPa.The material sintering carries out in the high temperature net strip sintering furnace, adopts ammonia dissolving atmosphere (N
2, H
2) protection, sintering temperature is 850-880 ℃, sintering time is 60min.
2. copper or copper alloy foundation stone China ink-oxide compound self-lubricating material: adopt the free sintering process of powder metallurgy to prepare material; copper powder, graphite and lead oxide powder are pressed into blank behind the mixing in proportion under the pressure of 300MPa in punching block in blender; sintering is made sample in the sintering oven of logical hydrogen shield atmosphere then; sintering temperature 830-880 ℃, soaking time 1h.
3. copper or copper alloy base MoS
2Solid self-lubricant material: adopt powder metallurgical technique to prepare this material, body material normal temperature is shaped, sintering under hydrogen shield, insulation back water-cooled; Under rough vacuum, flood solid lubricant, and 100-110 ℃ of oven dry down.Dipping repeats 3-4 time with oven dry.At last, at 370-380 ℃, hydrogen shield solidifies 30min down.
4. copper-mould self-lubricating material: the solid lubricant of this material is generally tetrafluoroethylene, and organic materialss such as polyoxymethylene adopt compression molding behind the comminution by gas stream mixing material, sintering polymerization at a certain temperature.
Summary of the invention
The objective of the invention is to utilize the reaction in synthesis method that a kind of preparation method of copper radical self-lubricating materials is provided.
The present invention realizes by following processing step:
(1) will account for total weight percent:
8%-25%, granularity-200 purpose chemical pure cupric sulfide powder,
10%-32%, granularity-200 purpose copper-iron alloy powder,
Surplus is granularity-200 a purpose industrial electrolysis copper powder,
Send into mixer and mix, mixing time 1-10 hour;
(2) raw material that mixes is colded pressing make pressed compact, pressed compact forming pressure 100-200MPa;
(3) blank is sent into and is sintered ingot blank in the sintering oven into, and sintering temperature 650-800 ℃, time 5-7 hour, the nitrogen atmosphere protection;
(4) ingot blank carries out multiple pressure, multiple pressure pressure 500-800MPa;
(5) extruding, extrusion temperature 760-950 ℃.
Iron level accounts for this powder weight per-cent 10%-30% in the described copper-iron alloy powder.
The raw material of self-lubricating material provided by the invention, combine comparatively securely with Cu formation by reacting the synthetic self-lubricating agent FeS that makes, and sintering and extrusion process have further improved the binding ability of matrix Cu and self-lubricating agent FeS, and are distributed among the Cu matrix with making FeS uniform particles, disperse.
Compare with known technology, positively effect of the present invention is: machinery, physicals is excellent, antifriction effect is good, and that raw material of the present invention is prepared is simple, technological process is controlled easily, production cost is low, the production process environmentally safe can be realized industrialized mass.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Embodiment
Embodiment one:
Press copper-iron alloy powder 32%, chemical pure sulfuration copper powder 25%, the ratio preparation raw material of industrial electrolysis copper powder surplus, mixed through 10 hours, use the cold isostatic press press forming, compacting pressure 200MPa, through 680 ℃, 6 hours sintering, 750MPa presses again, and 800 ℃ of extruding can obtain the copper radical self-lubricating materials finished product.
Embodiment two:
It by iron level 15% copper-iron alloy powder 32%, chemical pure sulfuration copper powder 25%, the ratio preparation raw material of industrial electrolysis copper powder surplus, mixed through 3 hours, use the cold isostatic press press forming, compacting pressure 120MPa, through 680 ℃, 7 hours sintering, 800MPa presses again, and 760 ℃ of extruding can obtain the copper radical self-lubricating materials finished product.Embodiment three:
It by iron level 30% copper-iron alloy powder 32%, chemical pure sulfuration copper powder 15%, the ratio preparation raw material of industrial electrolysis copper powder surplus, mixed through 10 hours, use the cold isostatic press press forming, compacting pressure 150MPa, through 730 ℃, 7 hours sintering, 800MPa presses again, and 850 ℃ of extruding can obtain the copper radical self-lubricating materials finished product.
Embodiment four:
It by iron level 20% copper-iron alloy powder 32%, chemical pure sulfuration copper powder 25%, the ratio preparation raw material of industrial electrolysis copper powder surplus, mixed through 10 hours, use the cold isostatic press press forming, compacting pressure 160MPa, through 800 ℃, 7 hours sintering, 800MPa presses again, and 950 ℃ of extruding can obtain the copper radical self-lubricating materials finished product.
Embodiment five:
It by iron level 30% copper-iron alloy powder 10%, chemical pure sulfuration copper powder 8%, the ratio preparation raw material of industrial electrolysis copper powder surplus, mixed through 5 hours, use the cold isostatic press press forming, compacting pressure 100MPa, through 760 ℃, 5 hours sintering, 500MPa presses again, and 800 ℃ of extruding can obtain the copper radical self-lubricating materials finished product.
Embodiment six:
It by iron level 30% copper-iron alloy powder 10%, chemical pure sulfuration copper powder 8%, the ratio preparation raw material of industrial electrolysis copper powder surplus, mixed through 5 hours, use the cold isostatic press press forming, compacting pressure 150MPa, through 800 ℃, 5 hours sintering, 500MPa presses again, and 850 ℃ of extruding can obtain the copper radical self-lubricating materials finished product.
Embodiment seven:
It by iron level 25% copper-iron alloy powder 20%, chemical pure sulfuration copper powder 25%, the ratio preparation raw material of industrial electrolysis copper powder surplus, mixed through 10 hours, use the cold isostatic press press forming, compacting pressure 200MPa, through 700 ℃, 7 hours sintering, 800MPa presses again, and 900 ℃ of extruding can obtain the copper radical self-lubricating materials finished product.
Embodiment eight:
It by iron level 10% copper-iron alloy powder 20%, chemical pure sulfuration copper powder 25%, the ratio preparation raw material of industrial electrolysis copper powder surplus, mixed through 10 hours, use the cold isostatic press press forming, compacting pressure 120MPa, through 800 ℃, 7 hours sintering, 800MPa presses again, and 920 ℃ of extruding can obtain the copper radical self-lubricating materials finished product.
Claims (2)
1. the preparation method of a copper radical self-lubricating materials is characterized in that processing step is:
(1) will account for total weight percent:
8%-25%, granularity-200 purpose chemical pure cupric sulfide powder,
10%-32%, granularity-200 purpose copper-iron alloy powder,
Surplus is granularity-200 a purpose industrial electrolysis copper powder,
Send into mixer and mix, mixing time 1-10 hour;
(2) raw material that mixes is colded pressing make pressed compact, pressed compact forming pressure 100-200MPa;
(3) blank is sent into and is sintered ingot blank in the sintering oven into, and sintering temperature 650-800 ℃, time 5-7 hour, the nitrogen atmosphere protection;
(4) ingot blank carries out multiple pressure, multiple pressure pressure 500-800MPa;
(5) extruding, extrusion temperature 760-950 ℃.
2. the preparation method of copper radical self-lubricating materials according to claim 1 is characterized in that the weight percent that in copper-iron alloy powder iron level accounts for this powder is 10%-30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100658406A CN100510129C (en) | 2007-04-26 | 2007-04-26 | Preparation method of copper radical self-lubricating materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100658406A CN100510129C (en) | 2007-04-26 | 2007-04-26 | Preparation method of copper radical self-lubricating materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101041870A true CN101041870A (en) | 2007-09-26 |
| CN100510129C CN100510129C (en) | 2009-07-08 |
Family
ID=38807663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100658406A Expired - Fee Related CN100510129C (en) | 2007-04-26 | 2007-04-26 | Preparation method of copper radical self-lubricating materials |
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| Country | Link |
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| CN (1) | CN100510129C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268566A (en) * | 2010-12-25 | 2011-12-07 | 河南科技大学 | High conductivity and high wear resistance copper-molybdenum alloy material and preparation method thereof |
| CN102294462A (en) * | 2011-09-26 | 2011-12-28 | 重庆理工大学 | Quick solidification preparation method of copper iron alloy material |
| CN103639414A (en) * | 2013-12-13 | 2014-03-19 | 哈尔滨理工大学 | Method for preparing high-hardness and low- abrasion copper-based friction material |
| CN103691935A (en) * | 2013-12-27 | 2014-04-02 | 黄忠波 | Copper-based self-lubricating material and method for manufacturing same |
| CN103706796A (en) * | 2013-12-27 | 2014-04-09 | 黄忠波 | Method for preparing copper-based self-lubricating material |
| CN103736988A (en) * | 2013-12-27 | 2014-04-23 | 黄忠波 | Copper-based self-lubrication material |
| CN103949644A (en) * | 2014-04-03 | 2014-07-30 | 西安理工大学 | Preparation method of high-strength, high-conductivity and high-plasticity pure copper bar |
| CN104959609A (en) * | 2015-06-05 | 2015-10-07 | 东睦新材料集团股份有限公司 | Preparation method of copper-base powder metallurgy part |
| CN106687236A (en) * | 2014-09-19 | 2017-05-17 | Ntn株式会社 | Slide member and method for producing same |
| CN107584123A (en) * | 2017-08-21 | 2018-01-16 | 东睦新材料集团股份有限公司 | A kind of preparation method of copper-base pantograph slide plate blank |
-
2007
- 2007-04-26 CN CNB2007100658406A patent/CN100510129C/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268566A (en) * | 2010-12-25 | 2011-12-07 | 河南科技大学 | High conductivity and high wear resistance copper-molybdenum alloy material and preparation method thereof |
| CN102268566B (en) * | 2010-12-25 | 2013-03-20 | 河南科技大学 | High conductivity and high wear resistance copper-molybdenum alloy material and preparation method thereof |
| CN102294462A (en) * | 2011-09-26 | 2011-12-28 | 重庆理工大学 | Quick solidification preparation method of copper iron alloy material |
| CN103639414A (en) * | 2013-12-13 | 2014-03-19 | 哈尔滨理工大学 | Method for preparing high-hardness and low- abrasion copper-based friction material |
| CN103736988A (en) * | 2013-12-27 | 2014-04-23 | 黄忠波 | Copper-based self-lubrication material |
| CN103706796A (en) * | 2013-12-27 | 2014-04-09 | 黄忠波 | Method for preparing copper-based self-lubricating material |
| CN103691935A (en) * | 2013-12-27 | 2014-04-02 | 黄忠波 | Copper-based self-lubricating material and method for manufacturing same |
| CN103949644A (en) * | 2014-04-03 | 2014-07-30 | 西安理工大学 | Preparation method of high-strength, high-conductivity and high-plasticity pure copper bar |
| CN103949644B (en) * | 2014-04-03 | 2016-04-06 | 西安理工大学 | A kind of preparation method of high-strength highly-conductive high-ductility fine copper bar |
| CN106687236A (en) * | 2014-09-19 | 2017-05-17 | Ntn株式会社 | Slide member and method for producing same |
| CN106687236B (en) * | 2014-09-19 | 2019-05-14 | Ntn株式会社 | Slide unit and its manufacturing method |
| CN104959609A (en) * | 2015-06-05 | 2015-10-07 | 东睦新材料集团股份有限公司 | Preparation method of copper-base powder metallurgy part |
| CN107584123A (en) * | 2017-08-21 | 2018-01-16 | 东睦新材料集团股份有限公司 | A kind of preparation method of copper-base pantograph slide plate blank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100510129C (en) | 2009-07-08 |
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Granted publication date: 20090708 Termination date: 20100426 |