CN103409691B - A kind of powder metallurgy tool steel and preparation method thereof - Google Patents
A kind of powder metallurgy tool steel and preparation method thereof Download PDFInfo
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- CN103409691B CN103409691B CN201310272590.9A CN201310272590A CN103409691B CN 103409691 B CN103409691 B CN 103409691B CN 201310272590 A CN201310272590 A CN 201310272590A CN 103409691 B CN103409691 B CN 103409691B
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Abstract
A kind of powder metallurgy tool steel and preparation method thereof, is characterized in that being made up of the raw material of following weight part: iron powder 95-96, steel scrap powder 12-14, silica flour 1.2-1.5, chromium powder 0.3-0.5, molybdenum powder 0.4-0.6, vanadium powder 0.1-0.2, aluminium powder 1.2-1.4, Ti0.1-0.2, Ta0.13-0.18, Hf0.21-0.24, Nb0.06-0.08, V0.2-0.4, V
2o
50.23-0.25, CuO1.2-1.3, three boronation five chromium 0.35-0.4, VC0.2-0.4, NbC0.21-0.25, dispersion agent 2-3, Microcrystalline Wax 2-3.Adulterate in the present invention's formula steel scrap powder, improves the stability of tool steel, stability, in guarantee tool steel high rigidity, high-wearing feature simultaneously, reduces the fragility of tool steel and ensure that tool steel has certain toughness.
Description
Technical field
The present invention relates to field of powder metallurgy, particularly relate to a kind of powder metallurgy tool steel and preparation method thereof.
Background technology
Powder metallurgy technology be by Materials 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 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 powder metallurgy tool steel and preparation method thereof,
Technical scheme of the present invention is as follows:
A kind of powder metallurgy tool steel, is characterized in that being made up of the raw material of following weight part:
Iron powder 95-96, steel scrap powder 12-14, silica flour 1.2-1.5, chromium powder 0.3-0.5, molybdenum powder 0.4-0.6, vanadium powder 0.1-0.2, aluminium powder 1.2-1.4, Ti0.1-0.2, Ta0.13-0.18, Hf0.21-0.24, Nb0.06-0.08, V0.2-0.4, V
2o
50.23-0.25, CuO1.2-1.3, three boronation five chromium 0.35-0.4, VC0.2-0.4, NbC0.21-0.25, dispersion agent 2-3, Microcrystalline Wax 2-3.
Described dispersion agent is made up of the raw material of following weight part: polyvinyl alcohol 7, Zinic stearas 3, ethylene group two hard esteramides 1, aluminum nitride powder 2, butanethiol tin 2, alkylphenol polyoxyethylene 2, chromium boride 2, two ten four carbon alcohols esters 1.
Preparation method is: by each mixing of materials, and grinding distribution evenly.
The preparation method of described powder metallurgy tool steel, is characterized in that comprising the following steps:
(1) iron powder, steel scrap powder, silica flour are mixed;
(2) other remaining component is mixed, evenly;
(3) step (1), (2) material after mixing and stirring 60-90 minute, are loaded mould, are pressed into base at 52-56 DEG C;
(4) pressed compact is placed in sintering oven, to sinter 2-3 hour with 6-8 DEG C/min of ramp to 800-850 DEG C of condition; Then to 1050-1150 DEG C of condition, 2-3 hour is sintered with 5-7 DEG C/min of ramp;
(5) pressed compact is sent in steam treatment stove, in stove, pass into steam 60-90 minute under the condition of temperature 620-650 DEG C; Take out, pressed compact is incubated 2-3 hour under 400-450 condition;
(6) pressed compact is sent in 0-10 DEG C of water and cool, take out and get final product.
Adulterate in the present invention's formula steel scrap powder, improves the stability of tool steel, stability, in guarantee tool steel high rigidity, high-wearing feature simultaneously, reduces the fragility of tool steel and ensure that tool steel has certain toughness.
Embodiment
A kind of powder metallurgy tool steel, be made up of the raw material (kilogram) of following weight part:
Iron powder 95, steel scrap powder 12, silica flour 1.5, chromium powder 0.5, molybdenum powder 0.4, vanadium powder 0.2, aluminium powder 1.4, Ti0.1, Ta0.13, Hf0.21, Nb0.06, V0.2, V
2o
50.25, CuO1.3, three boronation five chromium 0.4, VC0.4, NbC0.21, dispersion agent 3, Microcrystalline Wax 3.
Described dispersion agent is made up of the raw material of following weight part: polyvinyl alcohol 7, Zinic stearas 3, ethylene group two hard esteramides 1, aluminum nitride powder 2, butanethiol tin 2, alkylphenol polyoxyethylene 2, chromium boride 2, two ten four carbon alcohols esters 2.
Preparation method is: by each mixing of materials, and grinding distribution evenly.
The preparation method of powder metallurgy tool steel, comprises the following steps:
(1) iron powder, steel scrap powder, silica flour are mixed;
(2) other remaining component is mixed, evenly;
(3) step (1), (2) material after mixing and stirring 60-90 minute, are loaded mould, are pressed into base at 52-56 DEG C;
(4) pressed compact is placed in sintering oven, to sinter 2-3 hour with 6-8 DEG C/min of ramp to 800-850 DEG C of condition; Then to 1050-1150 DEG C of condition, 2-3 hour is sintered with 5-7 DEG C/min of ramp;
(5) pressed compact is sent in steam treatment stove, in stove, pass into steam 60-90 minute under the condition of temperature 620-650 DEG C; Take out, pressed compact is incubated 2-3 hour under 400-450 condition;
(6) pressed compact is sent in 0-10 DEG C of water and cool, take out and get final product.
Through detecting, inventive article Heat Treatment Of Steel hardness: HRC65; Tensile strength: 1380MPa.
Claims (2)
1. a powder metallurgy tool steel, is characterized in that being made up of the raw material of following weight part:
Iron powder 95-96, steel scrap powder 12-14, silica flour 1.2-1.5, chromium powder 0.3-0.5, molybdenum powder 0.4-0.6, vanadium powder 0.1-0.2, aluminium powder 1.2-1.4, Ti 0.1-0.2, Ta 0.13-0.18, Hf 0.21-0.24, Nb 0.06-0.08, V 0.2-0.4, V
2o
50.23-0.25, CuO 1.2-1.3, three boronation five chromium 0.35-0.4, VC 0.2-0.4, NbC 0.21-0.25, dispersion agent 2-3, Microcrystalline Wax 2-3;
Described dispersion agent is made up of the raw material of following weight part: polyvinyl alcohol 6-7, Zinic stearas 2-3, ethylene group bis-stearamides 1-2, aluminum nitride powder 1-2, butanethiol tin 1-2, alkylphenol polyoxyethylene 1-2, chromium boride 1-2, two ten four carbon alcohols ester 1-2; Preparation method is: by each mixing of materials, and grinding distribution evenly.
2. the preparation method of powder metallurgy tool steel according to claim 1, is characterized in that comprising the following steps:
(1) iron powder, steel scrap powder, silica flour are mixed;
(2) other remaining component is mixed, evenly;
(3) step (1), (2) material after mixing and stirring 60-90 minute, are loaded mould, are pressed into base at 52-56 DEG C;
(4) pressed compact is placed in sintering oven, to 800-850 DEG C of condition, sinters 2-3 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;
(5) pressed compact is sent in steam treatment stove, in stove, pass into steam 60-90 minute under the condition of temperature 620-650 DEG C; Take out, pressed compact is incubated 2-3 hour under 400-450 DEG C of condition;
(6) pressed compact is sent in 0-10 DEG C of water and cool, take out and get final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310272590.9A CN103409691B (en) | 2013-07-02 | 2013-07-02 | A kind of powder metallurgy tool steel and preparation method thereof |
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| CN201310272590.9A CN103409691B (en) | 2013-07-02 | 2013-07-02 | A kind of powder metallurgy tool steel and preparation method thereof |
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| CN103409691A CN103409691A (en) | 2013-11-27 |
| CN103409691B true CN103409691B (en) | 2015-10-21 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821326A (en) * | 2016-04-28 | 2016-08-03 | 昌利锻造有限公司 | Powder metallurgy automobile hub |
| CN109518072B (en) * | 2018-10-12 | 2020-12-08 | 东莞市煜田新材料有限公司 | High-vanadium alloy steel carbide additive and preparation method and application thereof |
| CN111304555B (en) * | 2020-03-31 | 2022-02-01 | 广东省科学院新材料研究所 | In-situ endogenously precipitated ceramic particle reinforced Cr-Mn-Ni-C-N austenitic heat-resistant steel and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101269416A (en) * | 2008-05-09 | 2008-09-24 | 徐信国 | Powder metallurgy member for piston supporting base of power cylinder and method for manufacturing same |
| CN102286702A (en) * | 2011-08-15 | 2011-12-21 | 奥美合金材料科技(北京)有限公司 | Iron-based powder and parts prepared from same |
| CN102534392A (en) * | 2012-02-16 | 2012-07-04 | 无锡市万邦机械制造厂 | Processing, formation and manufacturing method of piston rod using 38CrMoAlA steel as materials |
| CN103008645A (en) * | 2012-11-22 | 2013-04-03 | 宁波市群星粉末冶金有限公司 | Preparation method for piston powder metallurgy material of gasoline engine |
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2013
- 2013-07-02 CN CN201310272590.9A patent/CN103409691B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101269416A (en) * | 2008-05-09 | 2008-09-24 | 徐信国 | Powder metallurgy member for piston supporting base of power cylinder and method for manufacturing same |
| CN102286702A (en) * | 2011-08-15 | 2011-12-21 | 奥美合金材料科技(北京)有限公司 | Iron-based powder and parts prepared from same |
| CN102534392A (en) * | 2012-02-16 | 2012-07-04 | 无锡市万邦机械制造厂 | Processing, formation and manufacturing method of piston rod using 38CrMoAlA steel as materials |
| CN103008645A (en) * | 2012-11-22 | 2013-04-03 | 宁波市群星粉末冶金有限公司 | Preparation method for piston powder metallurgy material of gasoline engine |
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