| 新型Cr-Mo-V精铸热作模具钢的研制 |
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| 引用本文： | 王树奇,陈康敏,崔向红,洪扁.新型Cr-Mo-V精铸热作模具钢的研制[J].特殊钢,2005,26(6):41-43. |
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| 作者姓名： | 王树奇 陈康敏 崔向红 洪扁 |
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| 作者单位： | 江苏大学材料科学与工程学院，镇江212013;
吉林大学材料科学与工程学院，长春130022 |
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| 基金项目： | 国家863基金资助项目（2002AA331180） |
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| 摘 要： | 在研究热作模具钢主要成分合金化原理的基础上,用250 kg中频感应炉熔炼研究新型精铸热作模具钢,并采用MG2000高温摩擦磨损试验机对试验钢进行400℃磨损试验。研究结果表明,根据V/C 3.0,C余0.1%~0.2%,Cr/(Cr+Mo)0.68~0.85,Cr/C余>16.6,Mo/C余>16原则,设计的新型精铸热作模具钢(%:0.32C,3.54Cr,2.41Mo,1.02V)具有高的高温耐磨性,其400℃高温磨损率为H13钢(%:0.45C,5.3Cr,1.4Mo,0.83V)的30%,3Cr2W8V钢(%:0.37C,2.48Cr,7.82W,0.41V)的20%~25%。
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| 关 键 词： | Cr-Mo-V新型热作模具钢 精铸 高温耐磨性 |
| 收稿时间： | 06 7 2005 12:00AM |
| 修稿时间： | 2005-06-07 |
Development of a New Cr-Mo-V Precision Casting Hot Working Die Steel |
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| Wang Shuqi,Chen Kangmin,Cui Xianghong,Hong Bian.Development of a New Cr-Mo-V Precision Casting Hot Working Die Steel[J].Special Steel,2005,26(6):41-43. |
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| Authors: | Wang Shuqi Chen Kangmin Cui Xianghong Hong Bian |
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| Affiliation: | School of Materials Science and Engineering,Jiangsu University,Zhenjiang 212013;
School of Materials Science and Engineering,Jilin University,Changchun 130022 |
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| Abstract: | Based on research of main composition alloying principle for hot working die steel,the studied new precision casting hot working die steel was melted by a 250 kg medium frequency induction furnace and the wearing test on test steels at 400 ℃ was carried by MG2000 high temperature friction-wear testing machine. The research results showed that according to the principle of V/C-3.0,Cres-0. 1%～0.2%,Cr/(Cr+Mo)-0.68~0.85,Cr/Cres->16.6,Mo/Cres->16,a designed new precision casting hot working die steel-0.32C,3.54Cr,2.41Mo,1.02V had higher high-temperature wear resistance,of which the high-temperature wear rate at 400 ℃ was 30% that of 0.45C- 5.3Cr- 1.4Mo-0.83V hot working die steel H13 and was 20%～25% that of 0.37C-2.48Cr-7.82W-0.41V die steel 3Cr2W8V. |
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| Keywords: | Cr-Mo-V New Hot Working Die Steel Precision Casting Wear Resistance at High Temperature |
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