激光处理对4Cr3Mo2NiVNb钢磨损性能的影响Effect of laser treatment on wear behavior of 4Cr3Mo2NiVNb steel
陈莉
摘要(Abstract)：
研究不同激光加工参数下4Cr3Mo2NiVNb钢表面的非光滑单元体的特征(包括宽度、深度、面积比及体积)、组织、硬度以及材料的磨料磨损性能。结果表明,在额定功率范围内,频率不变时随电流强度和脉宽增加,单元体变宽,体积变大,组织变粗大,硬度降低,非光滑材料磨损性能提高。当电流增大到200A、脉宽增大到15ms后,非光滑材料的磨损性能提高幅度趋于平缓。所研究范围内300A和20ms下获得的非光滑试样磨料磨损性能较好。非光滑材料磨损性能改善程度是非光滑单元体特征、组织及硬度综合作用的结果。
关键词(KeyWords)： 磨损性能;激光处理;非光滑;4Cr3Mo2NiVNb钢
基金项目(Foundation): 国家高技术研究发展计划(863)项目(2002AA331180)
作者(Author): 陈莉
参考文献(References)：
- [1]Liu C Z,Ren L Q,Tong J,et al.Effects of operating parameters on the lubricated wear behaviour of a PA-6/UHMWPE blend:a statistical analysis[J].Wear,2002,253:878-884.
- [2]任露泉,王再宙,韩志武.仿生非光滑表面滑动摩擦磨损实验研究[J].农业机械学报,2003,34(2):86-88.REN Lu-quan,WANG Zai-zhou,HAN Zhi-wu.Experimental research on sliding wear of bionic nonsmoothed surface[J].Transactions of Agriculture Machine,2003,34(2):86-88.
- [3]Ren L Q,Li J Q,Chen B C,et al.Unsmoothed surface on reducing resistance by bionics[J].Chinese Science Bulletin,1995,40(13):1077-1088.
- [4]宋起飞,周宏,李悦,等.仿生非光滑表面铸铁材料的常温摩擦磨损性能[J].摩擦学学报,2006,26:24-26.SONG Qi-fei,ZHOU Hong,LI Yue,et al.Friction and wear properties of cast-iron materials with bionic non-smooth surface under normal temperature[J].Wear,2006,26:24-26.
- [5]Zhou H,Shan H Y,Tong X,et al.The adhesion of bionic non-smooth characteristics on sample surfaces against parts[J].Mater Sci Eng A,2006,417:190-196.
- [6]Zhou H,Chen L,Wang W,et al.Abrasive particle wear behavior of 3Cr2W8V steel processed to bionic non-smooth surface by laser[J].Mater Sci Eng A,2005,412:323-327.
文章评论(Comment)：
|
||||||||||||||||||
|
||||||||||||||||||