CN103406532B - A kind of car shaft-type component powder metallurgy material and preparation method thereof - Google Patents
A kind of car shaft-type component powder metallurgy material and preparation method thereof Download PDFInfo
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- CN103406532B CN103406532B CN201310252382.2A CN201310252382A CN103406532B CN 103406532 B CN103406532 B CN 103406532B CN 201310252382 A CN201310252382 A CN 201310252382A CN 103406532 B CN103406532 B CN 103406532B
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Abstract
A kind of car shaft-type component powder metallurgy material and preparation method thereof, is characterized in that being made up of the raw material of following weight portion: iron powder 93-94, chromium powder 1.2-1.4, molybdenum powder 0.3-0.4, manganese sulfide 0.8-1.0, copper 0.4-0.6, nickel powder 0.3-0.4, microwax 1-2, SnO
21.2-1.3, V
2o
50.5-0.7, Nb? 0.06-0.08, tungsten carbide 0.4-0.6, TiC? 0.3-0.5, hafnium boride 0.1-0.2, dispersant 2-3, stearic acid 2-3.Increase chromium powder in the present invention's formula, make spindle unit at high temperature hardness, wear-resistant, anti-strike, anticorrosive anti-wear performance be significantly improve, after cutting, ensure the dimensional accuracy in cutting face and surface roughness good.
Description
Technical field
The present invention relates to field of powder metallurgy, particularly relate to a kind of car shaft-type component powder metallurgy material and preparation method thereof.
Background technology
PM technique be by material science and metal-forming techniques perfect combine a kind of new technique because efficiently, without machining, material-saving, energy-saving and environmental protection and be widely used in various industry.
Powder metallurgy structural part product material composition does not limit by melting, both can add alloying component, 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.PM technique 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 car shaft-type component powder metallurgy material and preparation method thereof,
Technical scheme of the present invention is as follows:
A kind of car shaft-type component powder metallurgy material, is characterized in that being made up of the raw material of following weight portion: iron powder 93-94, chromium powder 1.2-1.4, molybdenum powder 0.3-0.4, manganese sulfide 0.8-1.0, copper 0.4-0.6, nickel powder 0.3-0.4, microwax 1-2, SnO
21.2-1.3, V
2o
50.5-0.7, Nb0.06-0.08, tungsten carbide 0.4-0.6, TiC0.3-0.5, hafnium boride 0.1-0.2, dispersant 2-3, stearic acid 2-3.
Described dispersant is made up of the raw material of following weight portion: polyethylene glycol 2-3, Bi2O30.2-0.3, aminopropyl triethoxysilane 0.5-0.8, aluminium nitride 1-1.3, Nb2O50.3-0.5, barium sulfate 1-2, zinc stearate 4-5, stearic acid monoglyceride 2-3.
Preparation method is: by each mixing of materials, and grinding distribution evenly.
The preparation method of described car shaft-type component powder metallurgy material, is characterized in that comprising the following steps:
(1) iron powder, chromium powder, molybdenum powder, manganese sulfide, dispersant, stearic acid are mixed;
(2) other residual components is mixed, evenly;
(3) step (1), (2) material after mixing and stirring 50-60 minute, are loaded mould, are pressed into base at 50-55 DEG C;
(4) pressed compact is placed in sintering furnace, containing under the blanket of nitrogen of oxygen component 2-3%, to 420-450 DEG C of condition, sinters 2-3 hour with 6-8 DEG C/min of ramp; Then blanket of nitrogen oxygen content is adjusted to 0.3-0.5%, to 1020-1080 DEG C of condition, sinters 120-150 minute with 10-12 DEG C/min of ramp; Take out air cooling again;
(5) pressed compact is sent in 450-480 DEG C of stove and sinter 120-150 minute;
(6) pressed compact is sent in steam treatment stove, pass into steam 40-60 minute under the condition of temperature 520-550 DEG C in stove after, take out and get final product.
Increase chromium powder in the present invention's formula, make spindle unit at high temperature hardness, wear-resistant, anti-strike, anticorrosive anti-wear performance be significantly improve, after cutting, ensure the dimensional accuracy in cutting face and surface roughness good.
Detailed description of the invention
A kind of car shaft-type component powder metallurgy material, be made up of the raw material (kilogram) of following weight portion:
Iron powder 93, chromium powder 1.4, molybdenum powder 0.4, manganese sulfide 1.0, copper 0.6, nickel powder 0.4, microwax 2, SnO
21.2, V
2o
50.5, Nb0.06, tungsten carbide 0.4, TiC0.3, hafnium boride 0.2, dispersant 3, stearic acid 2.
Described dispersant is made up of the raw material of following weight portion: polyethylene glycol 3, Bi
2o
30.3, aminopropyl triethoxysilane 0.5, aluminium nitride 1, Nb
2o
50.5, barium sulfate 2, zinc stearate 5, stearic acid monoglyceride 2.
Preparation method is: by each mixing of materials, and grinding distribution evenly.
The preparation method of car shaft-type component powder metallurgy material, comprises the following steps:
(1) iron powder, chromium powder, molybdenum powder, manganese sulfide, dispersant, stearic acid are mixed;
(2) other residual components is mixed, evenly;
(3) step (1), (2) material after mixing and stirring 50-60 minute, are loaded mould, are pressed into base at 50-55 DEG C;
(4) pressed compact is placed in sintering furnace, containing under the blanket of nitrogen of oxygen component 2-3%, to 420-450 DEG C of condition, sinters 2-3 hour with 6-8 DEG C/min of ramp; Then blanket of nitrogen oxygen content is adjusted to 0.3-0.5%, to 1020-1080 DEG C of condition, sinters 120-150 minute with 10-12 DEG C/min of ramp; Take out air cooling again;
(5) pressed compact is sent in 450-480 DEG C of stove and sinter 120-150 minute;
(6) pressed compact is sent in steam treatment stove, pass into steam 40-60 minute under the condition of temperature 520-550 DEG C in stove after, take out and get final product.
Through detecting, the heat treatment hardness of automobile shafts of the present invention: HRC59; Tensile strength: 1170MPa.
Claims (2)
1. a car shaft-type component powder metallurgy material, is characterized in that being made up of the raw material of following weight portion: iron powder 93-94, chromium powder 1.2-1.4, molybdenum powder 0.3-0.4, manganese sulfide 0.8-1.0, copper 0.4-0.6, nickel powder 0.3-0.4, microwax 1-2, SnO
21.2-1.3, V
2o
50.5-0.7, Nb0.06-0.08, tungsten carbide 0.4-0.6, TiC0.3-0.5, hafnium boride 0.1-0.2, dispersant 2-3, stearic acid 2-3; Described dispersant is made up of the raw material of following weight portion: polyethylene glycol 2-3, Bi
2o
30.2-0.3, aminopropyl triethoxysilane 0.5-0.8, aluminium nitride 1-1.3, Nb
2o
50.3-0.5, barium sulfate 1-2, zinc stearate 4-5, glyceryl monostearate 2-3; The preparation method of this dispersant is: by each mixing of materials, and grinding distribution evenly.
2. the preparation method of car shaft-type component powder metallurgy material according to claim 1, is characterized in that comprising the following steps: iron powder, chromium powder, molybdenum powder, manganese sulfide, dispersant, stearic acid mix by (1); (2) other residual components is mixed, evenly; (3) step (1), (2) material after mixing and stirring 50-60 minute, are loaded mould, are pressed into base at 50-55 DEG C; (4) pressed compact is placed in sintering furnace, under the blanket of nitrogen of oxygen content 2-3%, to 420-450 DEG C of condition, sinters 2-3 hour with 6-8 DEG C/min of ramp; Then blanket of nitrogen oxygen content is adjusted to 0.3-0.5%, to 1020-1080 DEG C of condition, sinters 120-150 minute with 10-12 DEG C/min of ramp; Take out air cooling again; (5) pressed compact is sent in 450-480 DEG C of stove and sinter 120-150 minute; (6) pressed compact is sent in steam treatment stove, pass into steam 40-60 minute under the condition of temperature 520-550 DEG C in stove after, take out and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310252382.2A CN103406532B (en) | 2013-06-24 | 2013-06-24 | A kind of car shaft-type component powder metallurgy material and preparation method thereof |
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|---|---|---|---|
| CN201310252382.2A CN103406532B (en) | 2013-06-24 | 2013-06-24 | A kind of car shaft-type component powder metallurgy material and preparation method thereof |
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| CN103406532A CN103406532A (en) | 2013-11-27 |
| CN103406532B true CN103406532B (en) | 2016-02-17 |
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| CN106270495A (en) * | 2016-10-19 | 2017-01-04 | 广西南宁智翠科技咨询有限公司 | A kind of car shaft-type component powder metallurgy material of high-wearing feature |
| CN106424706A (en) * | 2016-10-19 | 2017-02-22 | 广西南宁智翠科技咨询有限公司 | High-hardness vehicle shaft part powder metallurgy material |
| CN106623891A (en) * | 2016-10-19 | 2017-05-10 | 广西南宁智翠科技咨询有限公司 | Automobile shaft component powder metallurgy material |
| CN106424707A (en) * | 2016-10-19 | 2017-02-22 | 广西南宁智翠科技咨询有限公司 | High-strength powder metallurgy material of axle parts of automobile |
| CN108071592A (en) * | 2018-01-24 | 2018-05-25 | 芜湖奇点新能源科技有限公司 | A kind of shaft, compressor and the automobile using the compressor |
| CN108998150A (en) * | 2018-07-18 | 2018-12-14 | 桐城市明丽碳化硼制品有限公司 | A kind of powder metallurgy lubriation material and preparation method thereof |
| CN113737080A (en) * | 2021-09-03 | 2021-12-03 | 浙江天鸿传动机械有限公司 | High-strength wear-resistant gear material and preparation method thereof |
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Address after: 246600 West Industrial Zone, Yuexi County, Anhui, Anqing Patentee after: Anhui Jingke Judeline Limited by Share Ltd Address before: 246600 West Industrial Zone, Yuexi County, Anhui, Anqing Patentee before: Anhui Ruilin Automobile Fitting Co., Ltd. |
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