CN103602849B - A kind of copper base alloy material for sliding bearing and preparation method thereof - Google Patents

A kind of copper base alloy material for sliding bearing and preparation method thereof Download PDF

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CN103602849B
CN103602849B CN201310469249.2A CN201310469249A CN103602849B CN 103602849 B CN103602849 B CN 103602849B CN 201310469249 A CN201310469249 A CN 201310469249A CN 103602849 B CN103602849 B CN 103602849B
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powder
copper
hour
sliding bearing
base alloy
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CN103602849A (en
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胡光荣
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TONGLING XINCHUANG FLUID TECHNOLOGY Co Ltd
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Abstract

The invention discloses a kind of copper base alloy material for sliding bearing, it is characterized in that, be made up of the raw material of following weight part: tin 1.2-1.4, nickel 8.2-8.5, copper 91.2-91.5, silica flour 0.4-0.5, Graphite Powder 99 1.1-1.3, iron powder 13-14, hard acid acid zinc 2-3, aluminium powder 2.2-2.4, boron nitride 0.2-0.4, bismuth 0.2-0.5, auxiliary agent 1-2; The present invention adopts powder metallurgy technology, and technique is simple, and cost is low, and what copper base alloy material for sliding bearing of the present invention adopted is a kind of copper tin-nickel alloy, not leaded, environmentally safe.The present invention adds tin and has good corrosion resistance nature, and nickel can carry heavy alloyed modulus of elasticity, plays the effect of reinforced alloys.The bearing of material manufacture of the present invention has the advantage of high-bearing capacity, corrosion-resistant, high temperature resistant, indeformable good stability and environmental protection.

Description

A kind of copper base alloy material for sliding bearing and preparation method thereof
Technical field
The present invention relates to field of powder metallurgy, particularly a kind of copper base alloy material for sliding bearing and preparation method thereof.
Background technology
Sliding bearing of the internal-combustion engine mainly comprises bearing shell, lining, flange watt and thrust plate.The Main Function of sliding surface bearing has: 1, bolster and parts on shaft, the running accuracy of retainer shaft; 2, the friction and wear between rotating shaft and supporting is reduced.For occasion high speed, heavy duty, high precision, structure needing subdivision, sliding surface bearing need be adopted, as steam turbine, radial compressor, oil engine, large-size machine etc.Therefore sliding surface bearing is the strength member in sliding bearing of the internal-combustion engine, and as one of the part of engine most critical, the quality of material for sliding bearing performance directly affects the performance of engine.Along with oil engine carry to height, environmental protection future development, the requirement of bearing shell performance is improved constantly, require that material for sliding bearing not only has high supporting capacity and fatigue resistance, there is good environmental-protecting performance simultaneously, also there is no a kind of material for sliding bearing that can meet above-mentioned requirements at present.In addition, traditional copper-based alloy material is a kind of copper-lead bimetal steel band (as CuPb20Sn4, CuPb24Sn etc.), and it is widely used on high-mechanic oil engine.Problem is containing plumbous in this material, and the comparision contents of lead is high, and comparatively large to environmental disruption, do not meet social development needs, present society is in the urgent need to a kind of environment-friendly type copper-based alloy material for sliding bearing that can substitute traditional copper base alloy material.
Powder metallurgy be produce metal-powder or with metal-powder (or mixture of metal-powder and non-metal powder) as raw material, through shaping 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 most development vitality in novel material science.Powder metallurgy technology possess significantly energy-conservation, economize the high and series of advantages such as good stability of material, excellent performance, Product Precision, be very suitable for producing in enormous quantities.In addition, the material that part conventional casting methods and machining process cannot be prepared and complicated shape also available powders metallurgical technology manufacture, thus enjoy the attention of industry member.Powder metallurgy structural part product material composition does not limit by melting, both can add alloying constituent, also can add other structural constituent, 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, and then cost-saving.Powder metallurgy technology can replace traditional manufacturing process, for the vast traditional forms of enterprises is cost-saving.
So study the formula of the powder metallurgy of various component of machine, adapt to different needs, have great importance.
Summary of the invention
The object of this invention is to provide a kind of copper base alloy material for sliding bearing utilizing powder metallurgy technology to produce and preparation method thereof.
In order to realize object of the present invention, the present invention is by following scheme implementation:
A kind of copper base alloy material for sliding bearing, is made up of the raw material of following weight part: tin 1.2-1.4, nickel 8.2-8.5, copper 91.2-91.5, silica flour 0.4-0.5, Graphite Powder 99 1.1-1.3, iron powder 13-14, hard acid acid zinc 2-3, aluminium powder 2.2-2.4, boron nitride 0.2-0.4, bismuth 0.2-0.5, auxiliary agent 1-2;
Described auxiliary agent is made up of 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 is by iron powder, kaolin, Zirconium tetrafluoride, alum, sodium alginate, tripoly phosphate sodium STPP, lapis amiridis, copper sulfate mixing, grind to form 200-300 order powder, then add vinyltriethoxysilane and mix, under 10-15MPa, be pressed into blank, then, calcine 3-4 hour at sending into 920-950 DEG C, after cooling, be ground into 300-400 order powder, mix with other remaining component, be heated to 60-70 DEG C, under 1200-1500 rev/min, stir 1-2 hour, to obtain final product.
Copper base alloy material for sliding bearing of the present invention, be made up of following concrete steps:
(1) by tin, nickel, copper, iron powder, aluminium powder, bismuth mixing, add in suitable quantity of water, send into ball milling in ball mill, obtain 250-400 order powder, then, spraying dry, oven dry, make bulk at 8-12MPa pressure, then under nitrogen protection atmosphere 650-750 DEG C carry out sintering 8-10 hour, cross 200-400 mesh sieve by after the crushing material after sintering;
(2) other remaining component is mixed;
(3) step (1), (2) material after mixing and stirring 60-75 minute, are loaded mould, are pressed into base at 55-59 DEG C;
(4) pressed compact is placed in sintering oven, to 800-850 DEG C of condition, sinters 1.5-2 hour with 6-8 DEG C/min of ramp; Then to 1050-1150 DEG C of condition, 2-3 hour is sintered with 5-7 DEG C/min of ramp; Room temperature is cooled in last air.
The present invention adopts powder metallurgy technology, and technique is simple, and cost is low, and what copper base alloy material for sliding bearing of the present invention adopted is a kind of copper tin-nickel alloy, not leaded, environmentally safe.The present invention adds tin and has good corrosion resistance nature, and nickel can carry heavy alloyed modulus of elasticity, plays the effect of reinforced alloys.The bearing of material manufacture of the present invention has the advantage of high-bearing capacity, corrosion-resistant, high temperature resistant, indeformable good stability and environmental protection.
Embodiment
Below by specific examples, the present invention is described in detail.
A kind of copper base alloy material for sliding bearing, is made up of the raw material of following weight part (kilogram): the acid of tin 1.2, nickel 8.2, copper 91.2, silica flour 0.4, Graphite Powder 99 1.1, iron powder 13, hard acid zinc 2, aluminium powder 2.2, boron nitride 0.2, bismuth 0.2, auxiliary agent 1;
Described auxiliary agent is made up of the raw material of following weight part (kilogram): 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 is by iron powder, kaolin, Zirconium tetrafluoride, alum, sodium alginate, tripoly phosphate sodium STPP, lapis amiridis, copper sulfate mixing, grind to form 200-300 order powder, then add vinyltriethoxysilane and mix, under 10-15MPa, be pressed into blank, then, calcine 3-4 hour at sending into 920-950 DEG C, after cooling, be ground into 300-400 order powder, mix with other remaining component, be heated to 60-70 DEG C, under 1200-1500 rev/min, stir 1-2 hour, to obtain final product.
Copper base alloy material for sliding bearing of the present invention, be made up of following concrete steps:
(1) by tin, nickel, copper, iron powder, aluminium powder, bismuth mixing, add in suitable quantity of water, send into ball milling in ball mill, obtain 250-400 order powder, then, spraying dry, oven dry, make bulk at 8-12MPa pressure, then under nitrogen protection atmosphere 650-750 DEG C carry out sintering 8-10 hour, cross 200-400 mesh sieve by after the crushing material after sintering;
(2) other remaining component is mixed;
(3) step (1), (2) material after mixing and stirring 60-75 minute, are loaded mould, are pressed into base at 55-59 DEG C;
(4) pressed compact is placed in sintering oven, to 800-850 DEG C of condition, sinters 1.5-2 hour with 6-8 DEG C/min of ramp; Then to 1050-1150 DEG C of condition, 2-3 hour is sintered with 5-7 DEG C/min of ramp; Room temperature is cooled in last air.
Through detecting, the hardness of material for sliding bearing of the present invention: HRC50; Tensile strength: 580MPa.

Claims (2)

1. a copper base alloy material for sliding bearing, it is characterized in that, be made up of the raw material of following weight part: tin 1.2-1.4, nickel 8.2-8.5, copper 91.2-91.5, silica flour 0.4-0.5, Graphite Powder 99 1.1-1.3, iron powder 13-14, hard acid acid zinc 2-3, aluminium powder 2.2-2.4, boron nitride 0.2-0.4, bismuth 0.2-0.5, auxiliary agent 1-2;
Described auxiliary agent is made up of 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 is by iron powder, kaolin, Zirconium tetrafluoride, alum, sodium alginate, tripoly phosphate sodium STPP, lapis amiridis, copper sulfate mixing, grind to form 200-300 order powder, then add vinyltriethoxysilane and mix, under 10-15MPa, be pressed into blank, then, calcine 3-4 hour at sending into 920-950 DEG C, after cooling, be ground into 300-400 order powder, mix with other remaining component, be heated to 60-70 DEG C, under 1200-1500 rev/min, stir 1-2 hour, to obtain final product.
2. copper base alloy material for sliding bearing according to claim 1, is characterized in that, be made up of following concrete steps:
(1) by tin, nickel, copper, iron powder, aluminium powder, bismuth mixing, add in suitable quantity of water, send into ball milling in ball mill, obtain 250-400 order powder, then, spraying dry, oven dry, make bulk at 8-12MPa pressure, then under nitrogen protection atmosphere 650-750 DEG C carry out sintering 8-10 hour, cross 200-400 mesh sieve by after the crushing material after sintering;
(2) other remaining component is mixed;
(3) step (1), (2) material after mixing and stirring 60-75 minute, are loaded mould, are pressed into base at 55-59 DEG C;
(4) pressed compact is placed in sintering oven, to 800-850 DEG C of condition, sinters 1.5-2 hour with 6-8 DEG C/min of ramp; Then to 1050-1150 DEG C of condition, 2-3 hour is sintered with 5-7 DEG C/min of ramp; Room temperature is cooled in last air.
CN201310469249.2A 2013-10-10 2013-10-10 A kind of copper base alloy material for sliding bearing and preparation method thereof Active CN103602849B (en)

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JP6440297B2 (en) 2014-09-04 2018-12-19 株式会社ダイヤメット Cu-based sintered bearing
CN104439250B (en) * 2014-12-31 2017-02-22 扬州立德粉末冶金股份有限公司 Method for manufacturing dispersion strengthening copper-based oil bearing
CN104946924A (en) * 2015-06-25 2015-09-30 滁州达世汽车配件有限公司 Strong-wear-resisting material
CN105154710A (en) * 2015-08-31 2015-12-16 苏州莱特复合材料有限公司 Friction-resisting nitrogen-phosphor composite copper-based powder metallurgy material and preparation method thereof
EP3424623A4 (en) * 2016-03-04 2019-11-06 Diamet Corporation Cu-BASED SINTERED SLIDING MATERIAL, AND PRODUCTION METHOD THEREFOR
CN105925919A (en) * 2016-06-15 2016-09-07 苏州洪河金属制品有限公司 Modified copper-based high-strength composite material and preparation method thereof
CN106122272A (en) * 2016-07-25 2016-11-16 安徽银球轴承有限公司 A kind of preparation method of low temperature resistant cracking resistance self-lubricating bearing
CN106224382A (en) * 2016-07-25 2016-12-14 安徽银球轴承有限公司 A kind of preparation method of used in high-speed motor high-bearing capacity self-lubricating bearing
CN106122273A (en) * 2016-07-25 2016-11-16 安徽银球轴承有限公司 A kind of preparation method of water pump impact resistance self-lubricating bearing
CN107030288A (en) * 2017-03-14 2017-08-11 陕西省机械研究院 A kind of preparation method of natural gas compressor wear-and corrosion-resistant copper alloy ring
CN107725600A (en) * 2017-10-13 2018-02-23 烟台大丰轴瓦有限责任公司 The production technology of tin aluminium silicon bearing shell fatigue resistance in a kind of lifting
CN110257739B (en) * 2019-06-21 2020-10-30 山东金麒麟股份有限公司 Environment-friendly friction material, brake pad and preparation method of brake pad

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