CN105817630A - Powder metallurgy automobile eccentric shaft - Google Patents
Powder metallurgy automobile eccentric shaft Download PDFInfo
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- CN105817630A CN105817630A CN201610290880.XA CN201610290880A CN105817630A CN 105817630 A CN105817630 A CN 105817630A CN 201610290880 A CN201610290880 A CN 201610290880A CN 105817630 A CN105817630 A CN 105817630A
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- powder
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- eccentric shaft
- temperature
- nitride
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention relates to the technical field of powder metallurgy, in particular to a powder metallurgy automobile eccentric shaft. The powder metallurgy automobile eccentric shaft is manufactured from the following raw materials in parts by weight: 90-95 parts of iron powder, 30-32 parts of magnet powder, 1-2 parts of magnesium nitride, 1-2 parts of tantalum nitride, 0.1-0.2 part of erbium oxide, 2-3 parts of titanium powder, 0.03-0.05 part of niobium powder, 0.1-0.4 part of gallic acid oxide, 0.03-0.05 part of hafnium powder, 0.03-0.05 part of nanometer titanium dioxide powder and 0.5-0.8 part of plasticizer. A solid solution, cementite and high-temperature ledeburite are formed in the metal of the powder metallurgy automobile eccentric shaft, so that the internal crystalline phase of the metal is stable, and crystalline grains are fine; the metal strength is greatly improved; the torque force is very large, and the internal thermal stress is greatly lowered; and a nitriding structure is formed on the surface of the metal, so that abrasion resistance is very excellent.
Description
Technical field
The present invention relates to powder metallurgical technology, be specifically related to a kind of powder metallurgy automobile eccentric shaft.
Background technology
PM technique is that perfect to material science and metal-forming techniques is combined a kind of novel skill
Art, because efficiently, be widely used in various industry without machining, material-saving, energy-saving and environmental protection.
Powder metallurgy structural part product material composition is not limited by melting, both can add alloying component, it is also possible to
Add other structural constituent, and be adjusted as requested in sizable scope, and then at mechanics
The effect mated with steel part can be reached in performance.Powder metallurgy mechanization degree is high, can reduce personnel,
Efficiency can be improved again, so cost-effective.PM technique can replace traditional manufacturing process, for extensively
Great tradition enterprise is cost-effective.
Automobile production needs substantial amounts of metal material, and these metal materials must are fulfilled for the strongest hard
The performances such as degree, wearability, corrosion-resistant, resistance to oxidation, so that automobile uses safer.
Summary of the invention
The technical problem to be solved is to provide a kind of powder metallurgy automobile eccentric shaft, in metal
Portion is formed with solid solution, cementite and high temperature ledeburite so that metal inside crystalline phase is stable, and crystal grain is careful,
Metal strength is greatly enhanced, and torque force is very big, and built-in thermal stress is substantially reduced, metal watch
Face forms nitriding body so that anti-wear performance is the most superior.
The technical problem to be solved realizes by the following technical solutions:
A kind of powder metallurgy automobile eccentric shaft, it is made up of the following raw material weighed by weight: iron powder
90-95 part, Magnetitum powder 30-32 part, magnesium nitride 1-2 part, tantalum nitride 1-2 part, Erbia 0.1-0.2 part,
Titanium valve 2-3 part, niobium powder 0.03-0.05 part, Digallium trioxide 0.1-0.4 part, hafnium powder 0.03-0.05 part,
Nanometer titanium dioxide titanium valve 0.03-0.05 part, plasticizer 0.5-0.8 part；
Described plasticizer is made up of the raw material of following weight portion: Dexol 15-16 part, methacrylic acid
Methyl ester 2-6 part, aluminium nitride 12-25 part, dimethyl-p-toluidine 3-4 part, hydroquinone list formic acid 0.5-1
Part, pentaerythritol triacrylate 3-8 part, SA epoxy acrylate 3-8 part, silicon nitride 19-35
Part；Preparation method is to be fully ground each raw material to be mixed to prepare.
A kind of powder metallurgy automobile eccentric shaft, preparation method is as follows:
(1) iron powder, Magnetitum powder, Erbia, titanium valve, niobium powder, hafnium powder are mixed at 80-100 DEG C stir
After mixing uniform 60-80min, it is then heated to 180-200 DEG C, adds magnesium nitride, tantalum nitride, three oxidations
Two galliums, nanometer titanium dioxide titanium valve, plasticizer, load mould, be pressed into base after being cooled to 100-120 DEG C,
Then naturally cooling to room temperature, the pressure of compacting is 100-200MPa；
(2) step (1) gained pressed compact is placed on sintering in airtight sintering furnace, the temperature-rise period of sintering
It is 14 DEG C/min for the programming rate between room temperature to 850 DEG C, at a temperature of 850 DEG C, is incubated 30min,
The heating rate of 850 DEG C to 1300 DEG C is 9 DEG C/min, is incubated 60min, airtight sintering at a temperature of 1300 DEG C
Furnace pressure is not more than 0.02MPa, and furnace atmosphere is made up of in the ratio of 100:1 nitrogen and neon；
(3) pressed compact after step (2) being sintered first air-cooled to 300-400 DEG C, then water-cooled to room temperature is
Can, described cooling water temperature is 15 DEG C.
The invention has the beneficial effects as follows: metal inside of the present invention is formed with solid solution, cementite and high temperature Lay
Family name's body so that metal inside crystalline phase is stable, and crystal grain is careful so that metal strength is greatly enhanced, torque force
Very big, and built-in thermal stress is substantially reduced, and metal surface forms nitriding body so that anti-wear performance is non-
Chang Youyue.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be readily apparent from
Solve, below in conjunction with specific embodiment, the present invention is expanded on further.
Embodiment 1
A kind of powder metallurgy automobile eccentric shaft, it is made up of the following raw material weighed by weight: iron powder 92
Part, Magnetitum powder 31 parts, magnesium nitride 1 part, tantalum nitride 1 part, Erbia 0.1 part, titanium valve 2 parts, niobium powder 0.04
Part, Digallium trioxide 0.3 part, 0.04 part of hafnium powder, nanometer titanium dioxide titanium valve 0.04 part, plasticizer 0.6 part；
Described plasticizer is made up of the raw material of following weight portion: Dexol 15 parts, methyl methacrylate
Ester 4 parts, aluminium nitride 18 parts, dimethyl-p-toluidine 3 parts, 0.8 part of hydroquinone list formic acid, tetramethylolmethane
Triacrylate 6 parts, SA epoxy acrylate 6 parts, silicon nitride 28 parts；Preparation method be by
Each raw material is fully ground and is mixed to prepare.
A kind of powder metallurgy automobile eccentric shaft, preparation method is as follows:
(1) iron powder, Magnetitum powder, Erbia, titanium valve, niobium powder, hafnium powder are mixed at 80-100 DEG C stir
After mixing uniform 60-80min, it is then heated to 180-200 DEG C, adds magnesium nitride, tantalum nitride, three oxidations
Two galliums, nanometer titanium dioxide titanium valve, plasticizer, load mould, be pressed into base after being cooled to 100-120 DEG C,
Then naturally cooling to room temperature, the pressure of compacting is 100-200MPa；
(2) step (1) gained pressed compact is placed on sintering in airtight sintering furnace, the temperature-rise period of sintering
It is 14 DEG C/min for the programming rate between room temperature to 850 DEG C, at a temperature of 850 DEG C, is incubated 30min,
The heating rate of 850 DEG C to 1300 DEG C is 9 DEG C/min, is incubated 60min, airtight sintering at a temperature of 1300 DEG C
Furnace pressure is not more than 0.02MPa, and furnace atmosphere is made up of in the ratio of 100:1 nitrogen and neon；
(3) pressed compact after step (2) being sintered first air-cooled to 300-400 DEG C, then water-cooled to room temperature is
Can, described cooling water temperature is 15 DEG C.
Embodiment 2
A kind of powder metallurgy automobile eccentric shaft, it is made up of the following raw material weighed by weight: iron powder 90
Part, Magnetitum powder 30 parts, magnesium nitride 1 part, tantalum nitride 1 part, Erbia 0.1 part, titanium valve 2 parts, niobium powder 0.03
Part, Digallium trioxide 0.1 part, 0.03 part of hafnium powder, nanometer titanium dioxide titanium valve 0.03 part, plasticizer 0.5 part；
Described plasticizer is made up of the raw material of following weight portion: Dexol 15 parts, methyl methacrylate
Ester 2 parts, aluminium nitride 12 parts, dimethyl-p-toluidine 3 parts, 0.5 part of hydroquinone list formic acid, tetramethylolmethane
Triacrylate 3 parts, SA epoxy acrylate 3 parts, silicon nitride 19 parts；Preparation method be by
Each raw material is fully ground and is mixed to prepare.
A kind of powder metallurgy automobile eccentric shaft, preparation method is as follows:
(1) iron powder, Magnetitum powder, Erbia, titanium valve, niobium powder, hafnium powder are mixed at 80-100 DEG C stir
After mixing uniform 60-80min, it is then heated to 180-200 DEG C, adds magnesium nitride, tantalum nitride, three oxidations
Two galliums, nanometer titanium dioxide titanium valve, plasticizer, load mould, be pressed into base after being cooled to 100-120 DEG C,
Then naturally cooling to room temperature, the pressure of compacting is 100-200MPa；
(2) step (1) gained pressed compact is placed on sintering in airtight sintering furnace, the temperature-rise period of sintering
It is 14 DEG C/min for the programming rate between room temperature to 850 DEG C, at a temperature of 850 DEG C, is incubated 30min,
The heating rate of 850 DEG C to 1300 DEG C is 9 DEG C/min, is incubated 60min, airtight sintering at a temperature of 1300 DEG C
Furnace pressure is not more than 0.02MPa, and furnace atmosphere is made up of in the ratio of 100:1 nitrogen and neon；
(3) pressed compact after step (2) being sintered first air-cooled to 300-400 DEG C, then water-cooled to room temperature is
Can, described cooling water temperature is 15 DEG C.
Embodiment 3
A kind of powder metallurgy automobile eccentric shaft, it is made up of the following raw material weighed by weight: iron powder 95
Part, Magnetitum powder 32 parts, magnesium nitride 2 parts, tantalum nitride 2 parts, Erbia 0.2 part, titanium valve 3 parts, niobium powder 0.05
Part, Digallium trioxide 0.4 part, 0.05 part of hafnium powder, nanometer titanium dioxide titanium valve 0.05 part, plasticizer 0.8 part；
Described plasticizer is made up of the raw material of following weight portion: Dexol 16 parts, methyl methacrylate
Ester 6 parts, aluminium nitride 25 parts, dimethyl-p-toluidine 4 parts, 1 part of hydroquinone list formic acid, tetramethylolmethane three
Acrylate 8 parts, SA epoxy acrylate 8 parts, silicon nitride 35 parts；Preparation method is by respectively
Raw material is fully ground and is mixed to prepare.
A kind of powder metallurgy automobile eccentric shaft, preparation method is as follows:
(1) iron powder, Magnetitum powder, Erbia, titanium valve, niobium powder, hafnium powder are mixed at 80-100 DEG C stir
After mixing uniform 60-80min, it is then heated to 180-200 DEG C, adds magnesium nitride, tantalum nitride, three oxidations
Two galliums, nanometer titanium dioxide titanium valve, plasticizer, load mould, be pressed into base after being cooled to 100-120 DEG C,
Then naturally cooling to room temperature, the pressure of compacting is 100-200MPa；
(2) step (1) gained pressed compact is placed on sintering in airtight sintering furnace, the temperature-rise period of sintering
It is 14 DEG C/min for the programming rate between room temperature to 850 DEG C, at a temperature of 850 DEG C, is incubated 30min,
The heating rate of 850 DEG C to 1300 DEG C is 9 DEG C/min, is incubated 60min, airtight sintering at a temperature of 1300 DEG C
Furnace pressure is not more than 0.02MPa, and furnace atmosphere is made up of in the ratio of 100:1 nitrogen and neon；
(3) pressed compact after step (2) being sintered first air-cooled to 300-400 DEG C, then water-cooled to room temperature is
Can, described cooling water temperature is 15 DEG C.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, the present invention is not restricted to the described embodiments, above-described embodiment and explanation
The principle that the present invention is simply described described in book, without departing from the spirit and scope of the present invention,
The present invention also has various changes and modifications, and these changes and improvements both fall within claimed invention model
In enclosing.Claimed scope is defined by appending claims and equivalent thereof.
Claims (2)
1. a powder metallurgy automobile eccentric shaft, it is characterised in that it by following weigh by weight former
Material is made: iron powder 90-95 part, Magnetitum powder 30-32 part, magnesium nitride 1-2 part, tantalum nitride 1-2 part, oxidation
Erbium 0.1-0.2 part, titanium valve 2-3 part, niobium powder 0.03-0.05 part, Digallium trioxide 0.1-0.4 part, hafnium powder
0.03-0.05 part, nanometer titanium dioxide titanium valve 0.03-0.05 part, plasticizer 0.5-0.8 part；
Described plasticizer is made up of the raw material of following weight portion: Dexol 15-16 part, methacrylic acid
Methyl ester 2-6 part, aluminium nitride 12-25 part, dimethyl-p-toluidine 3-4 part, hydroquinone list formic acid 0.5-1
Part, pentaerythritol triacrylate 3-8 part, SA epoxy acrylate 3-8 part, silicon nitride 19-35
Part；Preparation method is to be fully ground each raw material to be mixed to prepare.
2. a kind of powder metallurgy automobile eccentric shaft as claimed in claim 1, it is characterised in that preparation side
Method is as follows:
(1) iron powder, Magnetitum powder, Erbia, titanium valve, niobium powder, hafnium powder are mixed at 80-100 DEG C stir
After mixing uniform 60-80min, it is then heated to 180-200 DEG C, adds magnesium nitride, tantalum nitride, three oxidations
Two galliums, nanometer titanium dioxide titanium valve, plasticizer, load mould, be pressed into base after being cooled to 100-120 DEG C,
Then naturally cooling to room temperature, the pressure of compacting is 100-200MPa；
(2) step (1) gained pressed compact is placed on sintering in airtight sintering furnace, the temperature-rise period of sintering
It is 14 DEG C/min for the programming rate between room temperature to 850 DEG C, at a temperature of 850 DEG C, is incubated 30min,
The heating rate of 850 DEG C to 1300 DEG C is 9 DEG C/min, is incubated 60min, airtight sintering at a temperature of 1300 DEG C
Furnace pressure is not more than 0.02MPa, and furnace atmosphere is made up of in the ratio of 100:1 nitrogen and neon；
(3) pressed compact after step (2) being sintered first air-cooled to 300-400 DEG C, then water-cooled to room temperature is
Can, described cooling water temperature is 15 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610290880.XA CN105817630A (en) | 2016-04-28 | 2016-04-28 | Powder metallurgy automobile eccentric shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610290880.XA CN105817630A (en) | 2016-04-28 | 2016-04-28 | Powder metallurgy automobile eccentric shaft |
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| Publication Number | Publication Date |
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| CN105817630A true CN105817630A (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610290880.XA Pending CN105817630A (en) | 2016-04-28 | 2016-04-28 | Powder metallurgy automobile eccentric shaft |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN106563797A (en) * | 2016-10-19 | 2017-04-19 | 广西南宁智翠科技咨询有限公司 | Automobile axle part powder metallurgical material with large elongation percentage |
| 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 |
| CN107760994A (en) * | 2017-11-08 | 2018-03-06 | 刘兴满 | A kind of manufacturing process of pump shell |
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| CN103409687A (en) * | 2013-06-24 | 2013-11-27 | 安徽瑞林汽配有限公司 | Powder metallurgy supporting seat and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN106563797A (en) * | 2016-10-19 | 2017-04-19 | 广西南宁智翠科技咨询有限公司 | Automobile axle part powder metallurgical material with large elongation percentage |
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| CN107760994A (en) * | 2017-11-08 | 2018-03-06 | 刘兴满 | A kind of manufacturing process of pump shell |
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Application publication date: 20160803 |