CN103540857A - Powder metallurgy wear-resistant corrosion-resistant bearing material and preparation method thereof - Google Patents

Powder metallurgy wear-resistant corrosion-resistant bearing material and preparation method thereof Download PDF

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CN103540857A
CN103540857A CN201310472021.9A CN201310472021A CN103540857A CN 103540857 A CN103540857 A CN 103540857A CN 201310472021 A CN201310472021 A CN 201310472021A CN 103540857 A CN103540857 A CN 103540857A
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powder
carbide
sintering
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CN103540857B (en
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黄浩
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Guangxi Shenglong Metallurgical Co Ltd
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Wuhu Hongkun Auto Parts Co Ltd
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Abstract

The invention discloses a powder metallurgy wear-resistant corrosion-resistant bearing material. The invention is characterized in that the material is prepared from the following raw materials in parts by weight: 0.4-0.6 part of vanadium carbide, 0.2-0.3 part of chromium carbide, 0.5-0.8 part of graphite, 2.0-3.2 parts of molybdenum powder, 9.4-9.6 parts of nickel powder, 0.15-0.25 part of silicon carbide, 0.2-0.3 part of tantalum carbide, 2-3 parts of polyethylene wax powder, 93-94 parts of iron powder and 1-2 parts of assistant. The corrosion-resistant high-temperature-resistant bearing material prepared from the titanium carbide, vanadium carbide, chromium carbide, nickel, molybdenum and graphite has the characteristics of high hardness, low deformation tendency, high wear resistance, high temperature resistance, corrosion resistance and the like, has favorable structural rigidity, hardness, fatigue resistance and tensile strength, and is suitable for a high-temperature wearing environment.

Description

A kind of powder metallurgy wear resistant corrosion resistant bearing materials and preparation method thereof
Technical field
The present invention relates to field of powder metallurgy, particularly a kind of powder metallurgy wear resistant corrosion resistant bearing materials and preparation method thereof.
Background technology
Bearing is in mechanical transmission course, to work the parts of fixing and reducing load frictional coefficient, and its major function is supported mechanical rotator, the mechanical load frictional coefficient in order to reduction equipment in transmission process.Press the difference of motor element nature of friction, bearing can be divided into rolling bearing and sliding surface bearing two classes.Traditional bearing adopts steel to make more, but the hardness of steel is more ceramic low, and the bearing that adopts steel to make is not wear-resisting, and thermotolerance is poor, when bearing is during for a long time in hot environment, the bearing that steel are made easily expands distortion, cause bearing corrosion, corresponding shortening of life-span.
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.
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 a kind of powder metallurgy wear resistant corrosion resistant bearing materials and preparation method thereof.
In order to realize object of the present invention, the present invention passes through following scheme implementation:
A wear resistant corrosion resistant bearing materials, is made by the raw material of following weight part: vanadium carbide 0.4-0.6, chromium carbide 0.2-0.3, graphite 0.5-0.8, molybdenum powder 2.0-3.2, nickel powder 9.4-9.6, silicon carbide 0.15-0.25, tantalum carbide 0.2-0.3, polyethylene wax powder 2-3, iron powder 93-94, auxiliary agent 1-2;
Described auxiliary agent is made by the raw material of following weight part: iron powder 3-4, kaolin 2-3, nano-sized carbon 1-2, Zirconium tetrafluoride 1-2, alum 2-3, sodium alginate 2-3, tripoly phosphate sodium STPP 1-2, lapis amiridis 2-3, copper sulfate 1-2, calcium stearate 1-2, vinyltriethoxysilane 2-3; Preparation method mixes iron powder, kaolin, Zirconium tetrafluoride, alum, sodium alginate, tripoly phosphate sodium STPP, lapis amiridis, copper sulfate, grind to form 200-300 order powder, then add vinyltriethoxysilane 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 wear resistant corrosion resistant bearing materials of the present invention, by following concrete steps, made:
(1) molybdenum powder, nickel powder, iron powder 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 8-11Mpa pressure, is pressed into bulk, then under nitrogen protection atmosphere 600-650 ℃ 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 55-65 ℃, after mixing and stirring 65-95 minute, pack step (1), (2) material into mould, be pressed into base;
(4) pressed compact is placed in sintering oven, with 9-12 ℃/min of speed, is warming up to sintering 1-2 hour under 350-450 ℃ of condition; Then with 5-7 ℃/min of speed, be warming up to sintering 2-3 hour under 1100-1150 ℃ of condition; In last air, be cooled to room temperature.
Corrosion-resistant and high-temperature resistant bearing materials of the present invention, interpolation titanium carbide, vanadium carbide, chromium carbide, nickel, molybdenum, graphite are made, there is the features such as hardness is high, not yielding, resistance to abrasion is strong, high temperature resistant, corrosion-resistant, structural rigidity, hardness, fatigue performance, tensile strength properties are good, are applicable to high temperature abrasive environment.
Embodiment
Below by specific examples, the present invention is described in detail.
A wear resistant corrosion resistant bearing materials, by following weight part (kilogram) raw material make: vanadium carbide 0.4, chromium carbide 0.2, graphite 0.5, molybdenum powder 2.0, nickel powder 9.4, silicon carbide 0.15, tantalum carbide 0.2, polyethylene wax powder 2, iron powder 93, auxiliary agent 1;
Described auxiliary agent by following weight part (kilogram) raw material make: iron powder 3, kaolin 2, nano-sized carbon 2, Zirconium tetrafluoride 1, alum 2, sodium alginate 3, tripoly phosphate sodium STPP 1, lapis amiridis 3, copper sulfate 1, calcium stearate 1, vinyltriethoxysilane 3; Preparation method mixes iron powder, kaolin, Zirconium tetrafluoride, alum, sodium alginate, tripoly phosphate sodium STPP, lapis amiridis, copper sulfate, grind to form 200-300 order powder, then add vinyltriethoxysilane 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 wear resistant corrosion resistant bearing materials of the present invention, by following concrete steps, made:
(1) molybdenum powder, nickel powder, iron powder 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 8-11Mpa pressure, is pressed into bulk, then under nitrogen protection atmosphere 600-650 ℃ 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 55-65 ℃, after mixing and stirring 65-95 minute, pack step (1), (2) material into mould, be pressed into base;
(4) pressed compact is placed in sintering oven, with 9-12 ℃/min of speed, is warming up to sintering 1-2 hour under 350-450 ℃ of condition; Then with 5-7 ℃/min of speed, be warming up to sintering 2-3 hour under 1100-1150 ℃ of condition; In last air, be cooled to room temperature.
Through detection, the hardness of bearing materials of the present invention: HRC57; Tensile strength: 650MPa.

Claims (2)

1. a powder metallurgy wear resistant corrosion resistant bearing materials, it is characterized in that, by the raw material of following weight part, made: vanadium carbide 0.4-0.6, chromium carbide 0.2-0.3, graphite 0.5-0.8, molybdenum powder 2.0-3.2, nickel powder 9.4-9.6, silicon carbide 0.15-0.25, tantalum carbide 0.2-0.3, polyethylene wax powder 2-3, iron powder 93-94, auxiliary agent 1-2;
Described auxiliary agent is made by the raw material of following weight part: iron powder 3-4, kaolin 2-3, nano-sized carbon 1-2, Zirconium tetrafluoride 1-2, alum 2-3, sodium alginate 2-3, tripoly phosphate sodium STPP 1-2, lapis amiridis 2-3, copper sulfate 1-2, calcium stearate 1-2, vinyltriethoxysilane 2-3; Preparation method mixes iron powder, kaolin, Zirconium tetrafluoride, alum, sodium alginate, tripoly phosphate sodium STPP, lapis amiridis, copper sulfate, grind to form 200-300 order powder, then add vinyltriethoxysilane 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. powder metallurgy wear resistant corrosion resistant bearing materials according to claim 1, is characterized in that, by following concrete steps, is made:
(1) molybdenum powder, nickel powder, iron powder 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 8-11Mpa pressure, is pressed into bulk, then under nitrogen protection atmosphere 600-650 ℃ 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 55-65 ℃, after mixing and stirring 65-95 minute, pack step (1), (2) material into mould, be pressed into base;
(4) pressed compact is placed in sintering oven, with 9-12 ℃/min of speed, is warming up to sintering 1-2 hour under 350-450 ℃ of condition; Then with 5-7 ℃/min of speed, be warming up to sintering 2-3 hour under 1100-1150 ℃ of condition; In last air, be cooled to room temperature.
CN201310472021.9A 2013-10-11 2013-10-11 A kind of Powder metallurgy wear-resistant corrosion-resistant bearing material and preparation method thereof Active CN103540857B (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104550915A (en) * 2014-12-25 2015-04-29 铜陵市经纬流体科技有限公司 High-ductility iron-base powder metallurgy material used for valve and preparation method of high-ductility iron-base powder metallurgy material
CN104550930A (en) * 2014-12-25 2015-04-29 铜陵市经纬流体科技有限公司 Iron-based aluminum oxide composite powder metallurgy material for valve and preparation method of iron-based aluminum oxide composite powder metallurgy material
CN104550908A (en) * 2014-12-25 2015-04-29 铜陵市经纬流体科技有限公司 Cracking-resistant iron-base powder metallurgy material used for valve and preparation method of cracking-resistant iron-base powder metallurgy material
CN104550913A (en) * 2014-12-25 2015-04-29 铜陵市经纬流体科技有限公司 Corrosion-resistant iron-based powder metallurgy valve and preparation method thereof
CN104550909A (en) * 2014-12-25 2015-04-29 铜陵市经纬流体科技有限公司 Ferrum-based powder metallurgy material for valve core of cut-off valve and preparation method of ferrum-based powder metallurgy material
CN104550911A (en) * 2014-12-25 2015-04-29 铜陵市经纬流体科技有限公司 Tantalum carbide enhancement powder metallurgy material used for valve and preparation method of tantalum carbide enhancement powder metallurgy material
CN104588641A (en) * 2014-12-25 2015-05-06 铜陵市经纬流体科技有限公司 Zirconium silicate whisker reinforced valve material and preparation method thereof
CN104846260A (en) * 2015-04-20 2015-08-19 杭州科明电子有限公司 Trigger of tool switch
CN106122274A (en) * 2016-07-25 2016-11-16 安徽银球轴承有限公司 A kind of water pump preparation method of corrosion-resistant self-lubricating bearing
CN106521286A (en) * 2016-11-09 2017-03-22 安徽孺子牛轴承有限公司 Bearing material for cradle head motor and preparation method of bearing material
CN106563801A (en) * 2016-11-09 2017-04-19 安徽孺子牛轴承有限公司 High temperature resistant and corrosion resistant bearing material and preparation method thereof
CN116555674A (en) * 2023-05-22 2023-08-08 宁波市鄞州宁东齿轮有限公司 Corrosion-resistant gear and preparation method thereof

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CN1438431A (en) * 2003-03-21 2003-08-27 江汉石油钻头股份有限公司 Bearing slip-in material and making method
CN102560249A (en) * 2010-12-07 2012-07-11 王平 Formula and process for powder metallurgy
CN102605273A (en) * 2012-04-11 2012-07-25 长沙威斯坦冶金制品有限公司 Steel bonded hard alloy and preparation method thereof
CN102925808A (en) * 2012-11-08 2013-02-13 镇江中孚复合材料有限公司 High-temperature self-lubricating material for manufacturing bearings and preparation method thereof

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JPS58147552A (en) * 1982-02-25 1983-09-02 Hitachi Metals Ltd Composite jig and tool material and its manufacture
JPH09202948A (en) * 1996-01-29 1997-08-05 Mitsubishi Materials Corp High strength iron-base sintered alloy and its production
CN1438431A (en) * 2003-03-21 2003-08-27 江汉石油钻头股份有限公司 Bearing slip-in material and making method
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104550915A (en) * 2014-12-25 2015-04-29 铜陵市经纬流体科技有限公司 High-ductility iron-base powder metallurgy material used for valve and preparation method of high-ductility iron-base powder metallurgy material
CN104550930A (en) * 2014-12-25 2015-04-29 铜陵市经纬流体科技有限公司 Iron-based aluminum oxide composite powder metallurgy material for valve and preparation method of iron-based aluminum oxide composite powder metallurgy material
CN104550908A (en) * 2014-12-25 2015-04-29 铜陵市经纬流体科技有限公司 Cracking-resistant iron-base powder metallurgy material used for valve and preparation method of cracking-resistant iron-base powder metallurgy material
CN104550913A (en) * 2014-12-25 2015-04-29 铜陵市经纬流体科技有限公司 Corrosion-resistant iron-based powder metallurgy valve and preparation method thereof
CN104550909A (en) * 2014-12-25 2015-04-29 铜陵市经纬流体科技有限公司 Ferrum-based powder metallurgy material for valve core of cut-off valve and preparation method of ferrum-based powder metallurgy material
CN104550911A (en) * 2014-12-25 2015-04-29 铜陵市经纬流体科技有限公司 Tantalum carbide enhancement powder metallurgy material used for valve and preparation method of tantalum carbide enhancement powder metallurgy material
CN104588641A (en) * 2014-12-25 2015-05-06 铜陵市经纬流体科技有限公司 Zirconium silicate whisker reinforced valve material and preparation method thereof
CN104846260A (en) * 2015-04-20 2015-08-19 杭州科明电子有限公司 Trigger of tool switch
CN106122274A (en) * 2016-07-25 2016-11-16 安徽银球轴承有限公司 A kind of water pump preparation method of corrosion-resistant self-lubricating bearing
CN106521286A (en) * 2016-11-09 2017-03-22 安徽孺子牛轴承有限公司 Bearing material for cradle head motor and preparation method of bearing material
CN106563801A (en) * 2016-11-09 2017-04-19 安徽孺子牛轴承有限公司 High temperature resistant and corrosion resistant bearing material and preparation method thereof
CN116555674A (en) * 2023-05-22 2023-08-08 宁波市鄞州宁东齿轮有限公司 Corrosion-resistant gear and preparation method thereof
CN116555674B (en) * 2023-05-22 2024-03-15 宁波市鄞州宁东齿轮有限公司 Corrosion-resistant gear and preparation method thereof

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