| 离子渗氮化合物层对4Cr5MoSiV1模具钢热疲劳性能的影响 |
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| 引用本文： | 彭文屹,吴晓春,闵永安,许珞萍.离子渗氮化合物层对4Cr5MoSiV1模具钢热疲劳性能的影响[J].上海大学学报(英文版),2003,7(1):87-92. |
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| 作者姓名： | 彭文屹 吴晓春 闵永安 许珞萍 |
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| 作者单位： | School of Materials Science and Engineering，Shanghai University，School of Materials Science and Engineering，Shanghai University，School of Materials Science and Engineering，Shanghai University，School of Materials Science and Engineering，Shanghai University Shanghai 200070，China，Shanghai 200070，China，Shanghai 200070，China，Shanghai 200070，China |
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| 基金项目： | theScienceFoundationofShanghaiMunicpalCommissionofScienceandTechnology (GrantNo 9910 0 70 0 3 )andShanghaiMunicipalCommissionofEducationandFundCommissionofUddeholmCo .Sweden |
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| 摘 要： | 1 Ｉｎｔｒｏｄｕｃｔｉｏｎ 4Ｃｒ5ＭｏＳｉＶ1ｓｔｅｅｌ (ＡＩＳＩＨ13ｏｒ 84 0 7)ｉｓｏｎｅｏｆｔｈｅｍｏｓｔｐｏｐｕｌａｒｈｏｔｗｏｒｋｉｎｇｄｉｅｓｔｅｅｌｓ .Ａｓａｍａｊｏｒａｌｕ ｍｉｎｕｍｃａｓｔｉｎｇｄｉｅｍａｔｅｒｉａｌ,ｉｔｈａｓｔｏｅｎｄｕｒｅｔｈｅｒｍａｌａｎｄｍｅｃｈａｎｉｃａｌｉｍｐａｃｔｏｆｍｏｌｔｅｎａｌｕｍｉｎｕｍａｔｅｌｅｖａｔｅｄｔｅｍｐｅｒａｔｕｒｅ ,ｗｈｉｃｈｒｅｓｕｌｔｓｉｎｆａｉｌｕｒｅｓ ,ｓｕｃｈａｓ ,ｈｅａｔｃｈｅｃｋｉｎｇ ,ｃｏｒｒｏｓｉｏｎｏｒｓ…
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| 关 键 词： | 4Cr5MoSiV1钢 等离子渗氮 化合物层 热疲劳 热应力 模具钢 |
| 收稿时间： | 15 April 2002 |
Effect of the compound layer of plasma nitriding on thermal fatigue behavior of 4Cr5MoSiV1 die steel |
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| Peng?Wen-Yi,Wu?Xiao-Chun,Min?Yong-An,Xu?Luo-Ping.Effect of the compound layer of plasma nitriding on thermal fatigue behavior of 4Cr5MoSiV1 die steel[J].Journal of Shanghai University(English Edition),2003,7(1):87-92. |
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| Authors: | Peng Wen-Yi Wu Xiao-Chun Min Yong-An Xu Luo-Ping |
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| Institution: | School of Materials Science and Engineering, Shanghai University, Shanghai 200070, China |
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| Abstract: | With the Uddeholm self restricted method, the effect of compound layer of plasma nitriding on thermal fatigue behavior of 4Cr5MoSiV1 steel was studied by the way of adding Ar during plasma nitriding to remove the compound layer. The results show that the compound layer of plasma nitriding can delay the nucleation of heat cracks and hold back the propagation of heat cracks from surface to substrate because of its high hardness and strength. On the other land, the heat checking expands faster with the compound layer on the surface than that without it. After 3000 cycles of thermal fatigue test, both heat cracks with the compound layer are wider than the another without compound layer and the number of heat cracks of the former is more from the view of cross section. |
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| Keywords: | Cr5MoSiV1 steel plasma nitriding compound layer thermal fatigue behavior thermal stress |
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