CN103555989B - A kind of copper-base powder metallurgy self-lubricating abrasion-proof material and preparation technology thereof - Google Patents
A kind of copper-base powder metallurgy self-lubricating abrasion-proof material and preparation technology thereof Download PDFInfo
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- CN103555989B CN103555989B CN201310498997.3A CN201310498997A CN103555989B CN 103555989 B CN103555989 B CN 103555989B CN 201310498997 A CN201310498997 A CN 201310498997A CN 103555989 B CN103555989 B CN 103555989B
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Abstract
The invention discloses a kind of Helicopter Transmission System copper-base powder metallurgy self-lubricating abrasion-proof material, it is characterized in that, raw material comprises the Cu-base powder of doping nickel powder, and the mass percent of each composition is: 0.5 ~ 4 nickel and 89 ~ 98.5 bronze medals.Present invention also offers a kind of technique preparing this material, it is characterized in that, comprise the following steps: take various powder by following mass percent: 0.5 ~ 4 nickel, 0.5 ~ 4 graphite, 0.5 ~ 3 molybdenumdisulphide, surplus are copper; Add aviation kerosene after mixing, mix; The repressed rear formation pressed compact of compound; Pressed compact is fixed on supporting steel back, obtains copper-base powder metallurgy self-lubricating abrasion-proof material by pressure sintering.The work-ing life of the self-lubricating abrasion-proof material of application obtained by the present invention and reliability meet the service requirements of Helicopter Transmission System.Be suitable for suitability for industrialized production.
Description
Technical field
The invention discloses copper-base powder metallurgy self-lubricating abrasion-proof material and preparation technology thereof, refer to the copper-base powder metallurgy self-lubricating abrasion-proof material and preparation technology thereof that are applicable to Helicopter Transmission System especially.Belong to technical field of powder metallurgy material preparation.
Technical background
Transmission system is one of vertiplane critical moving components, the quality of its performance directly reflects overall performance and the reliability of vertiplane, wherein, wear parts plays and is separated and slidably supported effect by the part of two different rotating speeds, differing materials, bear larger twisting resistance, it works usually under oil lubrication state, when oiling system trouble or failure, whole transmission system is in dry running condition, now, require that wear member has certain dry running ability, to guarantee that going straight up to function returns warship safely.
The technical know-how of external aviation developed country to high performance power transmission system is extremely strong, forbids core technology to China's export or transfer, and defines the monopolization to vertiplane drive technology and world market, makes the aggregate level of China's transmission system not high.At present, Europe Helicopter Transmission System master subtracts TBO(under defined terms, the working hour of product from bringing into use overhauling first) reach more than 2000 hours, dry running reaches 30 minutes, and the master of China's vertiplane subtract that TBO is only external TBO 1/5th, to dry running ability no requirement (NR).The wear member of domestic Helicopter Transmission System adopts cast tin bronze material, there is dry running ability difference, there is overwear vt. and component phenomenon of rupture, cannot form supporting role, have a strong impact on the flight safety of vertiplane under normal lubricating condition in using.
Along with China's improving constantly vertiplane performance requriements, the service condition that transmission system faces and operating mode harsh all the more, existing cast tin bronze material cannot meet the properties requirement of vertiplane, therefore, research and develop the new self-lubricating abrasion-proof material meeting vertiplane service condition to necessitate.Conventional high-abrasive material comprises: macromolecular material, stupalith, Fe-based material and coalesced copper sill, and macromolecular material intensity is low, use temperature low (being no more than 100 DEG C), and work-ing life is short, and self-lubricating capacities is not enough; Though stupalith has higher anti-bending strength and fracture toughness property, but its shock resistance is poor, dry running and self-lubricating capacities not enough and expensive, Fe-based material has the advantages such as high rigidity, good toughness and high abrasion resistance, but with pairing steel part, there is affinity, wearing and tearing are comparatively large and self-lubricating capacities is poor, and above material is all not suitable as vertiplane antifriction self-lubricating material.
Summary of the invention
The object of the invention is to overcome the deficiency of prior art and a kind of reasonable mixture ratio of components is provided, be the problem such as work-ing life and reliability in order to solve Helicopter Transmission System wear member, a kind of Helicopter Transmission System powder metallurgy self-lubricating abrasion-proof material and preparation technology thereof are provided, make material meet work-ing life and reliability requirement.
A kind of copper-base powder metallurgy self-lubricating abrasion-proof material of the present invention, comprises following component, forms by mass percentage:
Nickel 0.5 ~ 4
Graphite 0.5 ~ 4
Molybdenumdisulphide 0.5 ~ 3, surplus is copper.
A kind of copper-base powder metallurgy self-lubricating abrasion-proof material of the present invention, the granularity of described nickel is 100 ~ 200 orders, and the granularity of graphite is 50 ~ 100 orders, molybdenumdisulphide micelle pulvis, purity >=96%, and the granularity of copper is 100 ~ 200 orders.
The preparation technology of a kind of copper-base powder metallurgy self-lubricating abrasion-proof material of the present invention, comprises the following steps:
Take each component respectively by the copper-base powder metallurgy self-lubricating abrasion-proof material component proportion of design, mix, obtain compound, in compound, add aviation kerosene and after mixing, compacting, protective atmosphere sintering, obtain powder metallurgy high-abrasive material.
The preparation technology of a kind of copper-base powder metallurgy self-lubricating abrasion-proof material of the present invention, the addition of aviation kerosene accounts for 1 ~ 3% of mixture volume.
The preparation technology of a kind of copper-base powder metallurgy self-lubricating abrasion-proof material of the present invention, the pressing pressure of described pressed compact is 200 ~ 300MPa.
The preparation technology of a kind of copper-base powder metallurgy self-lubricating abrasion-proof material of the present invention, described sintering process conditions is: controlling sintering oven internal pressure is 0 ~ 0.1MPa, and after being warming up to 450 ~ 600 DEG C, controlling sintering oven internal pressure is 0.2 ~ 0.28MPa, continue to be warming up to 830 ~ 880 DEG C, insulation 2-3 hour.
The preparation technology of a kind of copper-base powder metallurgy self-lubricating abrasion-proof material of the present invention, described protective atmosphere is hydrogen or nitrogen.
Beneficial effect:
The present invention, in design of material, have employed the copper-base powder metallurgy self-lubricating abrasion-proof material of nickel powder as alloy constituent element, obtains new material matrix; And adopt molybdenumdisulphide to obtain required good self-lubricating effect; The pressure sintering mode adopting gradient increased temperature and pressurize stage by stage, ensures the densification of material and each constituent element sufficient reacting; The main physical properties of the self-lubricating abrasion-proof material that the present invention obtains is in table 1.The self-lubricating abrasion-proof material that the present invention obtains can meet work-ing life and the reliability requirement (specific performance is shown in embodiment) of Helicopter Transmission System wear member.
Table 1 self-lubricating abrasion-proof material main physical properties
Embodiment
Embodiment 1:
Powder metallurgy self-lubricating abrasion-proof material constituent element is: 0.5 nickel, 0.5 graphite, 0.5 molybdenumdisulphide, 98.5 bronze medals, and above component parameter is mass percent data.
Manufacturing process is as follows: each component mixes aviation kerosene 1ml/kg after mixing by said ratio; Compound is poured in the die cavity of pressing mold, formed powder pressed compact under the pressing pressure of 200 ~ 300MPa; No. 45 steel plates of thickness 2mm are adopted to be processed into steel backing, copper facing, thickness of coating 10 ~ 20 μm; Pressed compact pressure sintering technique is as follows: 2 hours heating-up times, and heat up just staged pressure 0 ~ 0.1MPa, is forced into 0.2MPa, continues to be warmed up to 840 DEG C after 500 DEG C; Holding temperature 840 DEG C, heat preservation pressure 0.2MPa, soaking time 2 hours, passes into hydrogen shield in sintering process.
Friction and wear behavior: oil lubrication test parameter: load: 500N, rotating speed: 1400 revs/min, oil dripping speed: 30 droplets/minute, time: 20h, average friction coefficient: 0.002 ~ 0.004; Dry service test parameter: load: 500N, rotating speed: 1400 revs/min, time: 400 minutes, average friction coefficient: 0.003 ~ 0.005.
The Helicopter Transmission System self-lubricating abrasion-proof material that the present embodiment manufactures, installation rig test result shows: under normal operating conditions, rotating speed: 1400 revs/min, lubricating system: oil spout, and work-ing life was more than 2000 hours; Under oil lubrication failure state, dry runtime is greater than 45 minutes.
Embodiment 2:
Powder metallurgy self-lubricating abrasion-proof material constituent element is: 2 nickel, 2 graphite, 1.5 molybdenumdisulphide, 94.5 bronze medals, and above component parameter is mass percent data.
Manufacturing process is as follows: each component mixes aviation kerosene 1ml/kg after mixing by said ratio; Compound is poured in the die cavity of pressing mold, formed powder pressed compact under the pressing pressure of 200 ~ 300MPa; No. 45 steel plates of thickness 2mm are adopted to be processed into steel backing, copper facing, thickness of coating 10 ~ 20 μm; Pressed compact pressure sintering technique is as follows: 2 hours heating-up times, and heat up just staged pressure 0 ~ 0.1MPa, is forced into 0.25MPa, continues to be warmed up to 840 DEG C after 500 DEG C; Holding temperature 840 DEG C, heat preservation pressure 0.25MPa, soaking time 2.5 hours, passes into hydrogen shield in sintering process.
Friction and wear behavior: oil lubrication test parameter: load: 500N, rotating speed: 1400 revs/min, oil dripping speed: 30 droplets/minute, time: 20h, average friction coefficient: 0.002 ~ 0.004; Dry service test parameter: load: 500N, rotating speed: 1400 revs/min, time: 400 minutes, average friction coefficient: 0.003 ~ 0.005.
The Helicopter Transmission System self-lubricating abrasion-proof material that the present embodiment manufactures, installation rig test result shows: under normal operating conditions, rotating speed: 1400 revs/min, lubricating system: oil spout, and work-ing life was more than 2000 hours; Under oil lubrication failure state, dry runtime is greater than 45 minutes.
Embodiment 3:
Self-lubricating abrasion-proof material constituent element is: 4 nickel, 4 graphite, 3 molybdenumdisulphide, 89 bronze medals, and above component parameter is mass percent data.
Manufacturing process is as follows: each component mixes aviation kerosene 1ml/kg after mixing by said ratio; Compound is poured in the die cavity of pressing mold, formed powder pressed compact under the pressing pressure of 200 ~ 300MPa; No. 45 steel plates of thickness 2mm are adopted to be processed into steel backing, copper facing, thickness of coating 10 ~ 20 μm; Pressed compact pressure sintering technique is as follows: 3 hours heating-up times, and heat up just staged pressure 0 ~ 0.1MPa, is forced into 0.28MPa, continues to be warmed up to 840 DEG C after 500 DEG C; Holding temperature 840 DEG C, heat preservation pressure 0.28MPa, soaking time 3 hours, passes into hydrogen shield in sintering process.
Friction and wear behavior: oil lubrication test parameter: load: 500N, rotating speed: 1400 revs/min, oil dripping speed: 30 droplets/minute, time: 20h, average friction coefficient: 0.002 ~ 0.004.Dry service test parameter: load: 500N, rotating speed: 1400 revs/min, time: 400 minutes, average friction coefficient: 0.003 ~ 0.005.
The Helicopter Transmission System self-lubricating abrasion-proof material that the present embodiment manufactures, installation rig test result shows: under normal operating conditions, rotating speed: 1400 revs/min, lubricating system: oil spout, and work-ing life was more than 2000 hours; Under oil lubrication failure state, dry runtime is greater than 45 minutes.
From detection data and the installation test-results of above enforcement, copper-base powder metallurgy self-lubricating abrasion-proof material of the present invention: under normal operating conditions, can meet requirement in work-ing life in 2000 hour; Under oil lubrication failure state, normal operation requirement in 45 minutes can be met.The requirement to high-abrasive material under vertiplane service condition can be met completely.
Claims (3)
1. a copper-base powder metallurgy self-lubricating abrasion-proof material, comprises following component, forms by mass percentage:
Nickel 0.5 ~ 4
Graphite 0.5 ~ 4
Molybdenumdisulphide 0.5 ~ 3, surplus is copper;
Preparation technology, comprises the following steps:
Take each raw material by the copper-base powder metallurgy self-lubricating abrasion-proof material component proportion of design, mix, obtain compound, in compound, add aviation kerosene and after mixing, compacting, protective atmosphere sintering, obtain powder metallurgy self-lubricating abrasion-proof material; Described protective atmosphere is hydrogen;
The addition of aviation kerosene accounts for 1 ~ 3% of mixture volume;
Controlling sintering oven internal pressure is 0 ~ 0.1MPa, and after being warming up to 450 ~ 600 DEG C, controlling sintering oven internal pressure is that 0.2 ~ 0.28MPa continues to be warming up to 830 ~ 880 DEG C, insulation 2-3 hour.
2. a kind of copper-base powder metallurgy self-lubricating abrasion-proof material according to claim 1, it is characterized in that: the granularity of described nickel is 100 ~ 200 orders, the granularity of graphite is 50 ~ 100 orders, molybdenumdisulphide micelle pulvis, purity >=96%, the granularity of copper is 100 ~ 200 orders.
3. a kind of copper-base powder metallurgy self-lubricating abrasion-proof material according to claim 1, is characterized in that: the pressing pressure of pressed compact is 200 ~ 300MPa.
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| CN103952693A (en) * | 2014-04-24 | 2014-07-30 | 镇江市高等专科学校 | Preparation method of molybdenum disulfide self-lubricating composite coating and self-lubricating slider |
| CN104946924A (en) * | 2015-06-25 | 2015-09-30 | 滁州达世汽车配件有限公司 | Strong-wear-resisting material |
| CN106636724A (en) * | 2016-12-09 | 2017-05-10 | 钦州市钦南区科学技术情报研究所 | Novel copper alloy based on self-lubricating material and preparation method thereof |
| CN106756214B (en) * | 2016-12-13 | 2018-04-10 | 荣成远海滑动轴承有限公司 | A kind of copper-based bimetal bearing material of antifriction and preparation method thereof |
| CN106756172A (en) * | 2016-12-16 | 2017-05-31 | 安徽宝恒新材料科技有限公司 | A kind of preparation method of ternary metal self-lubricating composite |
| CN107365917B (en) * | 2017-06-30 | 2019-01-22 | 山东利腾轴承制造有限公司 | A kind of preparation method of wear-resisting type metal-based Self-lubricating Bearing material |
| CN107502776A (en) * | 2017-08-31 | 2017-12-22 | 陕西斯瑞新材料股份有限公司 | A kind of batch fabrication method of the CuCr alloys of high-compactness high uniformity |
| CN108893640B (en) * | 2018-07-30 | 2019-07-30 | 中南大学 | A kind of high temperature resistant antifriction material and its preparation method and application |
| CN114000007B (en) * | 2020-07-28 | 2022-08-12 | 中南大学 | Copper-based self-lubricating composite material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1556234A (en) * | 2003-12-31 | 2004-12-22 | 洛阳轴研科技股份有限公司 | Preparation technology of supporting block for grinding outer ring channel electromagnetic coreless gripping device |
| CN102678755A (en) * | 2012-05-15 | 2012-09-19 | 浙江佳华机械实业有限公司 | Lead-free steel backing copper-based self-lubricating bearing |
-
2013
- 2013-10-22 CN CN201310498997.3A patent/CN103555989B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1556234A (en) * | 2003-12-31 | 2004-12-22 | 洛阳轴研科技股份有限公司 | Preparation technology of supporting block for grinding outer ring channel electromagnetic coreless gripping device |
| CN102678755A (en) * | 2012-05-15 | 2012-09-19 | 浙江佳华机械实业有限公司 | Lead-free steel backing copper-based self-lubricating bearing |
Non-Patent Citations (1)
| Title |
|---|
| 新型铜基自润滑复合材料制备及其结构与性能的研究;曹海江;《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》;20110915(第9期);第17-20页,第25-28页，第33-35页 * |
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Application publication date: 20140205 Assignee: JIANGSU DAFANG METAL POWDER Co.,Ltd. Assignor: CENTRAL SOUTH University Contract record no.: X2022980029527 Denomination of invention: A copper-based powder metallurgy self-lubricating wear-resistant material and its preparation process Granted publication date: 20160224 License type: Common License Record date: 20230114 |
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