CN103537691A - Iron-based powder metallurgy alloy and manufacturing method thereof - Google Patents
Iron-based powder metallurgy alloy and manufacturing method thereof Download PDFInfo
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- CN103537691A CN103537691A CN201310471995.5A CN201310471995A CN103537691A CN 103537691 A CN103537691 A CN 103537691A CN 201310471995 A CN201310471995 A CN 201310471995A CN 103537691 A CN103537691 A CN 103537691A
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Abstract
The invention discloses an iron-based powder metallurgy alloy which is characterized by being composed, by weight, of 4.2-4.3 parts of Mo, 0.1-0.2 part of Cu, 0.3-0.4 part of As, 0.3-0.45 part of Ho, 0.23-0.27 part of Ta, 0.35-0.39 part of Er, 1.1-1.3 parts of cerium dioxide, 0.45-0.65 part of graphite, 2.6-2.9 parts of zinc stearate, 92-94 parts of iron powder and 1-2 parts of assistant. Graphite is added to raw materials, the abrasive resistance and the lubricity of the alloy are increased, the prepared alloy is compact in structure, good in microstructure, few in pore, rigid in structure, and good in rigidity, fatigue-resistant performance and tensile strength performance. The prepared alloy meets the requirements for high strength, high toughness and high rigidity and broadens the application fields of iron-based powder metallurgy materials.
Description
Technical field
The present invention relates to field of powder metallurgy, particularly a kind of ferrous based powder metallurgical Alloy And Preparation Method.
Background technology
Powder metallurgy be produce metal dust or with metal dust (or mixture of metal dust and non-metal powder) as raw material, through being shaped and sintering, produce the industrial technology of metal material, composite and all kinds goods.At present, PM technique has been widely used in the fields such as traffic, machinery, electronics, Aero-Space, weapons, biology, new forms of energy, information and nuclear industry, becomes one of branch of tool development vitality in new material science.That PM technique 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 PM technique manufacture of complex parts that with conventional cast method and machining process, cannot prepare, thereby enjoy the attention of industrial quarters.Powder metallurgy structural part product material composition is not limited by melting, both can add alloying component, 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.PM technique can replace traditional manufacturing process, for the vast traditional forms of enterprises cost-saving.
Ferrous based powder metallurgical structural member, without machined, has been saved material and manufacturing procedure, has greatly saved cost.In addition powdered metallurgical material segregation is little, organizes more evenly, so ferrous based powder metallurgical product is widely used in automobile, agricultural tools, household electrical appliance.The ratio of the ferrous based powder metallurgical product using in each automobile in nearly decades is in rising trend.Yet iron-base powder metallurgy material mesopore is more, alloy strength toughness is lower, has limited its further use.Improve at present the common method of powdered metallurgical material for adding expensive alloy element (as Ni, Mo etc.), improve pressing process, increasing subsequent treatment operation.Yet expensive alloying element has increased considerably the cost of material; Temperature and pressure, fast compacting waits needs new equipment and instrument, and the present invention does not conflict with the drawing method such as temperature and pressure; And ooze the use that the subsequent treatment such as copper have increased operation and the energy, increase considerably cost and production cycle.
Summary of the invention
The object of this invention is to provide a kind of ferrous based powder metallurgical Alloy And Preparation Method.
In order to realize object of the present invention, the present invention passes through following scheme implementation:
An alloy, is made by the raw material of following weight portion: Mo4.2-4.3, Cu0.1-0.2, As0.3-0.4, Ho0.3-0.45, Ta0.23-0.27, Er0.35-0.39, ceria 1.1-1.3, graphite 0.45-0.65, zinc stearate 2.6-2.9, iron powder 92-94, auxiliary agent 1-2;
Described auxiliary agent is made by the raw material of following weight portion: iron powder 3-4, zinc oxide 2-3, titanium dioxide 1-2, sodium metaphosphate 2-3, kaolin powder 5-6, aluminum nitride powder 1-2, Silane coupling agent KH550 2-3, chromium boride 5-6, maleic anhydride 2-3, dimethicone 1-2, aluminate coupling agent DL-411 2-3, cyanuric acid zinc 1-2; Preparation method mixes iron powder, zinc oxide, titanium dioxide, sodium metaphosphate, kaolin powder, aluminum nitride powder, grind to form 200-300 order powder, then add Silane coupling agent KH550 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 residual components, be heated to 60-70 ℃, under 1200-1500 rev/min, stir 1-2 hour, obtain.
Ferrous based powder metallurgical alloy of the present invention, by following concrete steps, made:
(1) Mo, Cu, As, Ho, Ta, Er, ceria, 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 9-11Mpa pressure, is pressed into bulk, then under nitrogen protection atmosphere 700-750 ℃ carry out sintering 8-10 hour, will be after the crushing material after sintering cross 200-400 mesh sieve;
(2) other residual components is mixed;
(3) at 60-65 ℃, after mixing and stirring 75-95 minute, pack step (1), (2) material into mould, be pressed into base;
(4) pressed compact is placed in sintering furnace, with 9-12 ℃/min of speed, is warming up to sintering 1-2 hour under 350-450 ℃ of condition, then be warming up to sintering 1.5-2 hour under 650-750 ℃ of condition with 6-8 ℃/min of speed; 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.
In raw material of the present invention, increase graphite, increased wearability and the lubricity of alloy, the alloy structure of manufacture is fine and close, and microstructure is good, and seldom, the rigidity of structure, hardness, fatigue performance, tensile strength properties are good for hole; The prepared alloy of the present invention meets high strength, high tenacity and high rigidity simultaneously, has widened the application of iron-base powder metallurgy material.
Specific embodiments
Below by instantiation, the present invention is described in detail.
An alloy, by following weight portion (kilogram) raw material make: Mo4.2, Cu0.1, As0.3, Ho0.3, Ta0.23, Er0.35, ceria 1.1, graphite 0.45, zinc stearate 2.6, iron powder 92-94, auxiliary agent 1-2;
Described auxiliary agent by following weight portion (kilogram) raw material make: iron powder 4, zinc oxide 2, titanium dioxide 2, sodium metaphosphate 2, kaolin powder 6, aluminum nitride powder 1, Silane coupling agent KH550 3, chromium boride 6, maleic anhydride 2, dimethicone 2, aluminate coupling agent DL-411 3, cyanuric acid zinc 2; Preparation method mixes iron powder, zinc oxide, titanium dioxide, sodium metaphosphate, kaolin powder, aluminum nitride powder, grind to form 200-300 order powder, then add Silane coupling agent KH550 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 residual components, be heated to 60-70 ℃, under 1200-1500 rev/min, stir 1-2 hour, obtain.Ferrous based powder metallurgical alloy of the present invention, by following concrete steps, made:
(1) Mo, Cu, As, Ho, Ta, Er, ceria, 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 9-11Mpa pressure, is pressed into bulk, then under nitrogen protection atmosphere 700-750 ℃ carry out sintering 8-10 hour, will be after the crushing material after sintering cross 200-400 mesh sieve;
(2) other residual components is mixed;
(3) at 60-65 ℃, after mixing and stirring 75-95 minute, pack step (1), (2) material into mould, be pressed into base;
(4) pressed compact is placed in sintering furnace, with 9-12 ℃/min of speed, is warming up to sintering 1-2 hour under 350-450 ℃ of condition, then be warming up to sintering 1.5-2 hour under 650-750 ℃ of condition with 6-8 ℃/min of speed; 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 flange of the present invention: HRC55; Tensile strength: 950MPa.
Claims (2)
1. a ferrous based powder metallurgical alloy, it is characterized in that, by the raw material of following weight portion, made: Mo4.2-4.3, Cu0.1-0.2, As0.3-0.4, Ho0.3-0.45, Ta0.23-0.27, Er0.35-0.39, ceria 1.1-1.3, graphite 0.45-0.65, zinc stearate 2.6-2.9, iron powder 92-94, auxiliary agent 1-2;
Described auxiliary agent is made by the raw material of following weight portion: iron powder 3-4, zinc oxide 2-3, titanium dioxide 1-2, sodium metaphosphate 2-3, kaolin powder 5-6, aluminum nitride powder 1-2, Silane coupling agent KH550 2-3, chromium boride 5-6, maleic anhydride 2-3, dimethicone 1-2, aluminate coupling agent DL-411 2-3, cyanuric acid zinc 1-2; Preparation method mixes iron powder, zinc oxide, titanium dioxide, sodium metaphosphate, kaolin powder, aluminum nitride powder, grind to form 200-300 order powder, then add Silane coupling agent KH550 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 residual components, be heated to 60-70 ℃, under 1200-1500 rev/min, stir 1-2 hour, obtain.
2. ferrous based powder metallurgical alloy according to claim 1, is characterized in that, by following concrete steps, is made:
(1) Mo, Cu, As, Ho, Ta, Er, ceria, 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 9-11Mpa pressure, is pressed into bulk, then under nitrogen protection atmosphere 700-750 ℃ carry out sintering 8-10 hour, will be after the crushing material after sintering cross 200-400 mesh sieve;
(2) other residual components is mixed;
(3) at 60-65 ℃, after mixing and stirring 75-95 minute, pack step (1), (2) material into mould, be pressed into base;
(4) pressed compact is placed in sintering furnace, with 9-12 ℃/min of speed, is warming up to sintering 1-2 hour under 350-450 ℃ of condition, then be warming up to sintering 1.5-2 hour under 650-750 ℃ of condition with 6-8 ℃/min of speed; 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.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785775A (en) * | 2015-04-21 | 2015-07-22 | 苏州统明机械有限公司 | Oxidation resistant alloy steel powder for thermal spraying and preparation method thereof |
| CN106191668A (en) * | 2016-07-10 | 2016-12-07 | 程叙毅 | A kind of exhaust valve seat loop material and preparation method |
| CN106191695A (en) * | 2016-07-10 | 2016-12-07 | 程叙毅 | A kind of antiwear heat resisting alloy material and preparation method |
| CN106256465A (en) * | 2016-08-22 | 2016-12-28 | 安徽高匠农业科技有限公司 | A kind of restorative procedure of car motor rotor |
| CN108515171A (en) * | 2018-04-03 | 2018-09-11 | 张庆 | A kind of rare earth powder metallurgy material and preparation method thereof |
| CN110004373A (en) * | 2019-02-21 | 2019-07-12 | 益阳市再超粉末冶金有限公司 | A method of gear is manufactured with antifriction material of powder metallurgy |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1617940A (en) * | 2002-01-29 | 2005-05-18 | Gkn金属烧结有限公司 | Sinterable metal powder mixture for the production of sintered components |
| CN101407889A (en) * | 2008-11-21 | 2009-04-15 | 海安县鹰球集团有限公司 | Powder metallurgy rare earth copper coated ferroalloy oil-retaining bearing and manufacturing method thereof |
| CN102015163A (en) * | 2005-01-10 | 2011-04-13 | H.C.施塔克股份有限公司 | Metallic powder mixtures |
-
2013
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1617940A (en) * | 2002-01-29 | 2005-05-18 | Gkn金属烧结有限公司 | Sinterable metal powder mixture for the production of sintered components |
| CN102015163A (en) * | 2005-01-10 | 2011-04-13 | H.C.施塔克股份有限公司 | Metallic powder mixtures |
| CN101407889A (en) * | 2008-11-21 | 2009-04-15 | 海安县鹰球集团有限公司 | Powder metallurgy rare earth copper coated ferroalloy oil-retaining bearing and manufacturing method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785775A (en) * | 2015-04-21 | 2015-07-22 | 苏州统明机械有限公司 | Oxidation resistant alloy steel powder for thermal spraying and preparation method thereof |
| CN106191668A (en) * | 2016-07-10 | 2016-12-07 | 程叙毅 | A kind of exhaust valve seat loop material and preparation method |
| CN106191695A (en) * | 2016-07-10 | 2016-12-07 | 程叙毅 | A kind of antiwear heat resisting alloy material and preparation method |
| CN106256465A (en) * | 2016-08-22 | 2016-12-28 | 安徽高匠农业科技有限公司 | A kind of restorative procedure of car motor rotor |
| CN106256465B (en) * | 2016-08-22 | 2018-08-07 | 泉州台商投资区华奥电子科技有限公司 | A kind of restorative procedure of car motor rotor |
| CN108515171A (en) * | 2018-04-03 | 2018-09-11 | 张庆 | A kind of rare earth powder metallurgy material and preparation method thereof |
| CN110004373A (en) * | 2019-02-21 | 2019-07-12 | 益阳市再超粉末冶金有限公司 | A method of gear is manufactured with antifriction material of powder metallurgy |
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Application publication date: 20140129 |