| T10钢激光相变硬化的组织与性能研究 |
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| 引用本文： | 陈宁,周立志.T10钢激光相变硬化的组织与性能研究[J].应用激光,2008,28(6). |
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| 作者姓名： | 陈宁 周立志 |
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| 作者单位： | 江西蓝天学院公教部,江西,南昌,330098 |
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| 摘 要： | 采用激光相变硬化工艺对T10钢表面进行了改性处理,并对改性后的组织与性能进行了研究,结果表明:硬化区组织为针状马氏体+少量残余奥氏体,热影响区组织为少量针状马氏体+网状渗碳体.基材组织为回火马氏体.淬硬层表面的洛氏硬度最高值为940Hv0.1,淬硬层内的显微硬度分布均匀,从硬化区→热影响区→过渡区→基材显微硬度呈梯度变化.激光相变硬化后淬硬层耐磨性分析,要比常规淬火后耐磨性提高10%左右.
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| 关 键 词： | 激光相变硬化 组织 性能 |
Study on Microstructure and Properties of T10 Steel by Laser Transformation Hardening |
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| Chen Ning,Zhou Lizhi.Study on Microstructure and Properties of T10 Steel by Laser Transformation Hardening[J].Applied Laser,2008,28(6). |
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| Authors: | Chen Ning Zhou Lizhi |
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| Affiliation: | Chen Ning,Zhou LizhiJiangxi Bluesky University,Public Education Department,Nanchang,Jiangxi 330098,China |
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| Abstract: | T10 steel surface is modified by using laser transformation hardening,and the microstructure and properties modified was studied.The experimental results indicated that microstructure in hardening zone is comprised of acicular martensite and a small quantity of retained austensite.The microstructure in heat affected zone consists of a small quantity of acicular martensite,pearlite and cementite.The microstructure in substrate zone is totally pearlite and reticular cementite.The highest hardness value of har... |
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| Keywords: | Laser transformation hardening microstructure properties |
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