为了提高Ti6Al4V钛合金的摩擦学性能,以Ni60-hBN混合粉末为原料,对其表面进行激光熔覆,并与Ni60粉末激光熔覆层进行了对比,分析了2种熔覆层的物相组成、显微组织;在2,5,8N下测试了2种熔覆层的干滑动磨损性能.结果表明:在2～8N内,Ni60熔覆层和Ni60-10 ％hBN熔覆层的摩擦系数和磨损率均随载荷的增加先减小后升高,在5N时,Ni60-10％ hBN熔覆层具有优异的自润滑耐磨效果.
参考文献
| [1] | Hua Yan;Aihua Wang;Kaidong Xu;Wenyan Wang;Zaowen Huang .Microstructure and interfacial evaluation of Co-based alloy coating on copper by pulsed Nd:YAG multilayer laser cladding[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2010(2):645-653. |
| [2] | 陈书法,何祥明,杨茂盛,王明娣,刘秀波.激光熔覆制备NiCr/Cr_3C_2-WS_2-CaF_2复合材料涂层[J].材料热处理学报,2012(10):21-25. |
| [3] | Du, B.;Paital, S.R.;Dahotre, N.B..Synthesis of TiB _2-TiC/Fe nano-composite coating by laser surface engineering[J].Optics & Laser Technology,2013:647-653. |
| [4] | Xiu-Bo Liu;Hai-Qing Liu;Yuan-Fu Liu;Xiang-Ming He;Cheng-Feng Sun;Ming-Di Wang;Hong-Bing Yang;Long-Hao Qi .Effects of temperature and normal load on tribological behavior of nickel-based high temperature self-lubricating wear-resistant composite coating[J].Composites, Part B. Engineering,2013(Oct.):347-354. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%