| 高速切削强化表面（HSMS）的摩擦学性能试验研究 |
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| 引用本文： | 龙震海,赵文祥,董世运.高速切削强化表面（HSMS）的摩擦学性能试验研究[J].摩擦学学报,2008,28(6). |
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| 作者姓名： | 龙震海 赵文祥 董世运 |
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| 作者单位： | 1. 北京理工大学,机械与车辆工程学院,北京,100081
2. 装甲兵工程学院,装备再制造技术国防科技重点实验室,北京,100072 |
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| 基金项目： | 北京理工大学基础研究基金资助项目(BITUBF200503E4211);;北京理工大学优秀青年教师资助计划(2006Y0305) |
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| 摘 要： | 借助X射线衍射应力分析仪、球-盘式滑动摩擦磨损试验机以及扫描电子显微镜等工具,考察了已加工表面的残余应力场与X射线衍射线半高宽分布特征,研究了高强度钢工件高速切削强化表面的摩擦学性能,探讨了强化表面的摩擦学性能与表面强化特征指标间的相关性.结果表明：合理的高速切削强化工艺能够有效提高高强度钢材料的滑动摩擦学性能;残余压应力场的作用深度是决定加工表面摩擦学性能的关键强化特征指标;位错密度增加和晶粒细化是提高强化表面耐磨性能的主要因素;高速切削强化表面的主要磨损机理为磨粒磨损、塑变磨损以及疲劳磨损等磨损机理.
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| 关 键 词： | 高强度钢 高速铣削 滑动摩擦 残余应力 半高宽 |
Tribological Property of High-strength Steel Work-piece Subject to High Speed Machining Strengthening(HSMS) Surface Modification |
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| LONG Zhen-hai,ZHAO Wen-xiang,DONG Shi-yun.Tribological Property of High-strength Steel Work-piece Subject to High Speed Machining Strengthening(HSMS) Surface Modification[J].Tribology,2008,28(6). |
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| Authors: | LONG Zhen-hai ZHAO Wen-xiang DONG Shi-yun |
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| Institution: | 1.School of Mechanical & Vehicular Engineering;Beijing Institute of Technology;Beijing 100081;China;2.State Key Laboratory of Equipment Remanufacture Technology;Institute of Armored Force Engineering;Beijing 100072;China |
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| Abstract: | Distribution of residual stress and width at half height were measured by means of X-ray diffractometer and SEM.Tribological property of high strength steel work-piece subject to HSMS surface modification were investigated.The influence of strengthening characteristic index on tribological properties were discussed.Optimized HSM process effectively improvd the sliding friction performance of machined surfaces.The depth of compressive residual stress profile was a critical value for the tribological properti... |
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| Keywords: | high strength steel high speed milling sliding friction residual stress half width |
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