CN104550917A - Wear-proof powder metallurgy material used for valve and preparation method of wear-proof powder metallurgy material - Google Patents
Wear-proof powder metallurgy material used for valve and preparation method of wear-proof powder metallurgy material Download PDFInfo
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- CN104550917A CN104550917A CN201410818990.XA CN201410818990A CN104550917A CN 104550917 A CN104550917 A CN 104550917A CN 201410818990 A CN201410818990 A CN 201410818990A CN 104550917 A CN104550917 A CN 104550917A
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Abstract
The invention discloses a wear-proof powder metallurgy material, which is prepared from the following raw materials in parts by weight: 4-6 parts of boron carbide, 8-10 parts of ultrafine carbonyl iron powder, 5-6 parts of water atomization iron-nickel alloy powder, 1-1.6 parts of Ta2O5, 5-8 parts of infrared ceramic micro powder, 11-13 parts of TiB2, 3-5 parts of Ni, 3-3.5 parts of carbon powder, 13-16 parts of copper powder, 1-2 parts of Mn, 0.3-0.4 part of silane coupling agent kh-550, a proper quantity of 1% sodium carbonate solution, a proper quantity of water, 2.5-3.5 parts of sodium hypophosphite, 0.4-0.6 part of polyethylene glycol, 30-35 parts of 2mMol/L copper sulphate solution, 2-3 parts of wetting accessory ingredient and 55-58 parts of iron powder. The wettability and the cohesiveness of a nonmetallic phase and a metallic phase are added due to the manufacture technology of the valve material, ingredient segregation can be avoided, and material tissues are even, a completely-dense material is obtained, the infrared ceramic micro powder is added, and the self-lubrication and the abrasion resistance are increased.
Description
Technical field
The present invention relates to powder metallurgical technology, particularly relate to a kind of valve abrasion-resistant powder powder metallurgy material and preparation method thereof.
Background technology
Valve is in fluid system, is used for controlling the device of the direction of fluid, pressure, flow, is the medium in pipe arrangement and equipment (liquid, gas, powder) is flowed or stops and controlling the device of its flow.
Valve material therefor is a lot, and wherein mmaterial manufacture craft is simple, makes precision high, saved cost, but powder metallurgy exists a lot of problem.Such as common iron-base powder metallurgy material is heat-resisting, erosion resistance is poor, and bearing is poor, and the mechanical properties such as intensity, hardness, shock-resistance are not high enough.
Metal has heat-shock resistance, the feature of good toughness, but metal is easily oxidized, and hot strength is not high.Stupalith has high rigidity, good heat resistance, the feature such as corrosion-resistant.By metal and Ceramic bond, can obtain that hardness is large, hot strength is high, high temperature creep is good, the material of good thermal shock, many excellent properties such as anti-oxidant, corrosion-resistant, wear-resistant, make valve be more suitable for the change of environment, longer service life.But due to nonmetallic phase and metallographic phase poor compatibility, easily make composition occur segregation, homogeneity of structure is poor, intensity is uneven, occur piebald, running-in ability is poor, wears no resistance, larger pressure can not be born, heat declines seriously, and cracking resistance can be poor, and thermal fatigue resistance can be poor, reduce use properties, shorten work-ing life.
The performance of iron-base powder metallurgy material can be improved by feed change, the performance of material can also be improved by the consistency improving nonmetallic phase and metallographic phase.
Summary of the invention
The object of the present invention is to provide a kind of valve abrasion-resistant powder powder metallurgy material and preparation method thereof, this valve material self lubricity and wear resistance good.
Technical scheme of the present invention is as follows:
A kind of valve abrasion-resistant powder powder metallurgy material, is characterized in that being made up of the raw material of following weight part: norbide 4-6, superfine iron carbonyl powder 8-10, water atomization Fe-Ni Alloy Powder 5-6, Ta2O5 1-1.6, far-infrared ceramic micropowder 5-8, TiB2 11-13, Ni3-5, carbon dust 3-3.5, copper powder 13-16, Mn1-2, silane coupling agent kh-550 0.3-0.4,1% sodium carbonate solution is appropriate, water appropriate, inferior sodium phosphate 2.5-3.5, polyoxyethylene glycol 0.4-0.6,2Mol/L copper-bath 30-35, wetting aid 2-3, iron powder 55-58;
Described wetting aid is made up of the raw material of following weight part: SrCl 0.1-0.2, P2O5 0.2-0.4, sodium stannate 0.4-0.6, K
2zrF
62.3-2.8, Mo1.3-1.6, nanometer LA2O3 0.6-0.9, ceria nanopowder 0.3-0.5, nano-sized carbon 0.2-0.4, aluminium powder 0.6-0.9, NaF0.1-0.2, acetone 8-10, poly(oxyethylene glycol) 400 0.1-0.2; Preparation method is: poly(oxyethylene glycol) 400 added in acetone, stir, add nanometer LA2O3, ceria nanopowder again, under 8000-10000 rev/min, stir 10-15 minute, ultrasonic disperse 4-5 minute, then add other remaining components stirring 10-15 minute, ultrasonic disperse 4-5 minute, spraying dry, sends in vacuum high temperature furnace, be evacuated to≤10
-2pa, then pass into argon gas, be heated to 1300-1400 DEG C, insulation 20-30 minute, cooling, pulverizes, to obtain final product.
The preparation method of described valve abrasion-resistant powder powder metallurgy material, is characterized in that comprising the following steps:
(1) by norbide, Ta2O5, far-infrared ceramic micropowder mixing, add in 1% sodium carbonate solution of 3-4 times of weight part, be heated to 40-50 DEG C, stir 10-15 minute, filter, add the water washing of 3-4 times of weight part, repeated washing 2-3 time, filter, obtain filter cake;
(2) mixed with wetting aid by filter cake, grinding 30-40 minute, adds the water of 4-5 times of weight part, add silane coupling agent kh-550, stir 10-15 minute, be heated to 60-70 DEG C, then add the iron powder of water atomization Fe-Ni Alloy Powder, 0.5-0.9 weight part, stir 30-40 minute, filter, spraying dry under an atmosphere of hydrogen, pulverize, cross 130 mesh sieves, obtain powder;
(3) powder that (2) step obtains is added in 2Mol/L copper-bath, add polyoxyethylene glycol, inferior sodium phosphate, be heated to 60-70 DEG C, stirring reaction 1-2 hour, filter, be washed with water to neutrality, pass into hot hydrogen and dry, pulverize, obtain powder;
(4) powder that (3) step obtains is mixed with other remaining components, ball milling, shaping, sintering, finished machined, to obtain final product.
Beneficial effect of the present invention
The manufacture craft of valve material of the present invention makes metallographic phase and nonmetallic phase mutually intert, combine closely, add wettability and the cohesiveness of nonmetallic phase and metallographic phase, component segregation can be prevented, make material structure even, thus fully dense material can have been obtained, add intensity and toughness; By adding far-infrared ceramic micropowder, add self lubricity and wear resistance; The wetting aid of the application of the invention, can increase the wettability of metal pair nonmetallic phase, increases fatigue strength and the toughness of valve.
Embodiment
A kind of valve abrasion-resistant powder powder metallurgy material, is made up of the raw material of following weight part (kilogram): norbide 5, superfine iron carbonyl powder 9, water atomization Fe-Ni Alloy Powder 5.5, Ta2O5 1.3, far-infrared ceramic micropowder 7, TiB2 12, Ni4, carbon dust 3.3, copper powder 14, Mn1.5, silane coupling agent kh-550 0.3,1% sodium carbonate solution is appropriate, water appropriate, inferior sodium phosphate 3, polyoxyethylene glycol 0.5,2Mol/L copper-bath 33, wetting aid 2.5, iron powder 57;
Described wetting aid is made up of the raw material of following weight part (kilogram): SrCl 0.1, P2O5 0.3, sodium stannate 0.5, K
2zrF
62.5, Mo1.5, nanometer LA2O3 0.7, ceria nanopowder 0.4, nano-sized carbon 0.3, aluminium powder 0.7, NaF0.1, acetone 9, poly(oxyethylene glycol) 400 0.1; Preparation method is: poly(oxyethylene glycol) 400 added in acetone, stir, add nanometer LA2O3, ceria nanopowder again, stir 13 minutes under 9000 revs/min, ultrasonic disperse 4 minutes, then add other remaining components and stir 14 minutes, ultrasonic disperse 5 minutes, spraying dry, sends in vacuum high temperature furnace, be evacuated to≤10
-2pa, then pass into argon gas, be heated to 1350 DEG C, be incubated 25 minutes, cooling, pulverize, to obtain final product.
The preparation method of described valve abrasion-resistant powder powder metallurgy material, comprises the following steps:
(1) by norbide, Ta2O5, far-infrared ceramic micropowder mixing, add in 1% sodium carbonate solution of 3.5 times of weight parts, be heated to 45 DEG C, stir 13 minutes, filter, add the water washing of 3.5 times of weight parts, repeated washing 3 times, filter, obtain filter cake;
(2) filter cake is mixed with wetting aid, grind 35 minutes, add the water of 4.5 times of weight parts, add silane coupling agent kh-550, stir 13 minutes, be heated to 65 DEG C, then add the iron powder of water atomization Fe-Ni Alloy Powder, 0.7 weight part, stir 35 minutes, filter, spraying dry under an atmosphere of hydrogen, pulverize, cross 130 mesh sieves, obtain powder;
(3) powder that (2) step obtains is added in 2Mol/L copper-bath, add polyoxyethylene glycol, inferior sodium phosphate, be heated to 65 DEG C, stirring reaction 1.5 hours, filter, be washed with water to neutrality, pass into hot hydrogen and dry, pulverize, obtain powder;
(4) powder that (3) step obtains is mixed with other remaining components, ball milling, shaping, sintering, finished machined, to obtain final product.
Experimental data:
The hardness HB of this embodiment valve material is 64 after tested, and density is 96.44%, voidage 9.25%, and fracture toughness property is 16.8MPam
1/2, ultimate compression strength is 164MPa, and bending strength is 510MPa.
Claims (2)
1. a valve abrasion-resistant powder powder metallurgy material, is characterized in that being made up of the raw material of following weight part: norbide 4-6, superfine iron carbonyl powder 8-10, water atomization Fe-Ni Alloy Powder 5-6, Ta2O5 1-1.6, far-infrared ceramic micropowder 5-8, TiB2 11-13, Ni3-5, carbon dust 3-3.5, copper powder 13-16, Mn1-2, silane coupling agent kh-550 0.3-0.4,1% sodium carbonate solution are appropriate, water appropriate, inferior sodium phosphate 2.5-3.5, polyoxyethylene glycol 0.4-0.6,2Mol/L copper-bath 30-35, wetting aid 2-3, iron powder 55-58;
Described wetting aid is made up of the raw material of following weight part: SrCl 0.1-0.2, P2O5 0.2-0.4, sodium stannate 0.4-0.6, K
2zrF
62.3-2.8, Mo1.3-1.6, nanometer LA2O3 0.6-0.9, ceria nanopowder 0.3-0.5, nano-sized carbon 0.2-0.4, aluminium powder 0.6-0.9, NaF0.1-0.2, acetone 8-10, poly(oxyethylene glycol) 400 0.1-0.2; Preparation method is: poly(oxyethylene glycol) 400 added in acetone, stir, add nanometer LA2O3, ceria nanopowder again, under 8000-10000 rev/min, stir 10-15 minute, ultrasonic disperse 4-5 minute, then add other remaining components stirring 10-15 minute, ultrasonic disperse 4-5 minute, spraying dry, sends in vacuum high temperature furnace, be evacuated to≤10
-2pa, then pass into argon gas, be heated to 1300-1400 DEG C, insulation 20-30 minute, cooling, pulverizes, to obtain final product.
2. the valve preparation method of abrasion-resistant powder powder metallurgy material according to claim 1, is characterized in that comprising the following steps:
(1) by norbide, Ta2O5, far-infrared ceramic micropowder mixing, add in 1% sodium carbonate solution of 3-4 times of weight part, be heated to 40-50 DEG C, stir 10-15 minute, filter, add the water washing of 3-4 times of weight part, repeated washing 2-3 time, filter, obtain filter cake;
(2) mixed with wetting aid by filter cake, grinding 30-40 minute, adds the water of 4-5 times of weight part, add silane coupling agent kh-550, stir 10-15 minute, be heated to 60-70 DEG C, then add the iron powder of water atomization Fe-Ni Alloy Powder, 0.5-0.9 weight part, stir 30-40 minute, filter, spraying dry under an atmosphere of hydrogen, pulverize, cross 130 mesh sieves, obtain powder;
(3) powder that (2) step obtains is added in 2Mol/L copper-bath, add polyoxyethylene glycol, inferior sodium phosphate, be heated to 60-70 DEG C, stirring reaction 1-2 hour, filter, be washed with water to neutrality, pass into hot hydrogen and dry, pulverize, obtain powder;
(4) powder that (3) step obtains is mixed with other remaining components, ball milling, shaping, sintering, finished machined, to obtain final product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410818990.XA CN104550917A (en) | 2014-12-25 | 2014-12-25 | Wear-proof powder metallurgy material used for valve and preparation method of wear-proof powder metallurgy material |
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| CN201410818990.XA CN104550917A (en) | 2014-12-25 | 2014-12-25 | Wear-proof powder metallurgy material used for valve and preparation method of wear-proof powder metallurgy material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236930A (en) * | 2015-08-31 | 2016-01-13 | 苏州莱特复合材料有限公司 | Glass fiber ceramic composite material and preparation method thereof |
| WO2018232813A1 (en) * | 2017-06-20 | 2018-12-27 | 江苏军威电子科技有限公司 | Mixed powder for use with electric tool and preparation method therefor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1517518A (en) * | 2003-01-10 | 2004-08-04 | �ձ�������ʽ���� | Sintered alloy valve seat and its manufacturing method |
| CN102350497A (en) * | 2011-09-16 | 2012-02-15 | 中南大学 | High-compressibility water atomization iron powder and preparation method thereof |
| CN103008665A (en) * | 2012-11-25 | 2013-04-03 | 安徽普源分离机械制造有限公司 | Preparation technology for plug valve clack |
| CN103189533A (en) * | 2010-11-09 | 2013-07-03 | 福田金属箔粉工业株式会社 | High-toughness cobalt-based alloy and engine valve coated with same |
| CN103602922A (en) * | 2013-10-10 | 2014-02-26 | 铜陵新创流体科技有限公司 | Powder metallurgy ferrous alloy and preparation method thereof |
-
2014
- 2014-12-25 CN CN201410818990.XA patent/CN104550917A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1517518A (en) * | 2003-01-10 | 2004-08-04 | �ձ�������ʽ���� | Sintered alloy valve seat and its manufacturing method |
| CN103189533A (en) * | 2010-11-09 | 2013-07-03 | 福田金属箔粉工业株式会社 | High-toughness cobalt-based alloy and engine valve coated with same |
| CN102350497A (en) * | 2011-09-16 | 2012-02-15 | 中南大学 | High-compressibility water atomization iron powder and preparation method thereof |
| CN103008665A (en) * | 2012-11-25 | 2013-04-03 | 安徽普源分离机械制造有限公司 | Preparation technology for plug valve clack |
| CN103602922A (en) * | 2013-10-10 | 2014-02-26 | 铜陵新创流体科技有限公司 | Powder metallurgy ferrous alloy and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236930A (en) * | 2015-08-31 | 2016-01-13 | 苏州莱特复合材料有限公司 | Glass fiber ceramic composite material and preparation method thereof |
| WO2018232813A1 (en) * | 2017-06-20 | 2018-12-27 | 江苏军威电子科技有限公司 | Mixed powder for use with electric tool and preparation method therefor |
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Application publication date: 20150429 |
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