利用等离子表面合金化技术,在304不锈钢表面制备渗Cu改性层。借助球-盘磨损试验机对改性层常规大气环境下与不同偶件（GCr15球,Al2O3球）对摩时的摩擦学性能进行了测试。结果表明：不锈钢表面渗Cu改性层均匀致密、与基体结合良好,厚度大约26μm,主要由纯Cu和膨胀的奥氏体等相组成。渗Cu改性层的摩擦学性能与摩擦偶件相关。渗Cu不锈钢与GCr15球对摩时Cu改性层阻止了不锈钢与配副直接接触,并在摩擦过程中起到固体润滑作用,明显改善了不锈钢的摩擦学性能;渗Cu不锈钢与Al2O3球对摩时,由于陶瓷球的稳定化学性能及Cu改性层相对较低的剪切强度,导致摩擦过程中磨粒磨损加剧。
A Cu modified layer on AISI304 stainless steel was obtained using plasma surface alloying technique.Microstructure and composition of the modified layer were investigated by SEM and XRD.Friction and wear behavior of the modified layer sliding against different counterparts was investigated using a ball-on-disc tester in ambient air.Results show that the surface modified layer with the thickness of about 26 μm is uniform and dense.The layer is mainly composed of pure Cu,expanded austenite phase and a few Fe3O4 phase.Wear test results indicate that the tribological behavior of the modified layer depends on the counterparts.The Cu modified layer significantly improves the tribological properties of stainless steel sliding against GCr15,while higher wear rate and friction coefficient are obtained for sliding friction of the modified layer against Al2O3.
参考文献
| [1] | 薛宗玉,周升,韦习成.摩擦耦合变形条件下奥氏体不锈钢的摩擦学性能研究[J].摩擦学学报,2009(05):405-411. |
| [2] | De las Heras E;Egidida D A;Corengia P et al.Duplex surface treatment of an AISI 316L stainless steel,microstructure and tribological behavior[J].Surface and Coatings Technology,2008,202(13):2945-2954. |
| [3] | 李晓春,韦习成,HUA Meng,李健.SUS 304奥氏体不锈钢的摩擦变形层研究[J].摩擦学学报,2007(04):341-345. |
| [4] | Wei C B;Tian X B;Yang Y et al.Microstructure and tribological properties of Cu-Zn/TiN muhilayers fabricated by dual magnetron sputtering[J].Surface and Coatings Technology,2007,202(01):159-193. |
| [5] | Tsotsos C;Kanakis K;Davison A;Baker MA;Matthews A;Leyland A .Mechanical and tribological properties of CrTiCu(B,N) glassy-metal coatings deposited by reactive magnetron sputtering[J].Surface & Coatings Technology,2006(14/15):4601-4611. |
| [6] | Z. Xu;X. Liu;P. Zhang;Y. Zhang;G. Zhang;Z. He .Double glow plasma surface alloying and plasma nitriding[J].Surface & Coatings Technology,2007(9/11):4822-4825. |
| [7] | 张高会,张平则,葛洪良,崔玉建,姜纬棣,徐重.钛合金双层辉光放电离子无氢渗碳制备工艺研究[J].材料热处理学报,2007(z1):110-114. |
| [8] | He Z Y;Wang Z X;Wang W B et al.Surface modification of titanium alloy Ti6AI4V by plasma niobium alloying process[J].Surface and Coatings Technology,2007,201(9-11):5705-5709. |
| [9] | 陈飞,周海,潘俊德.钛合金表面辉光等离子渗钽的研究[J].材料热处理学报,2009(04):156-159. |
| [10] | Li ZH;Liu SS;Chen ZY .Study on plasma discharge parameters in double-glow plasma surface alloying furnace[J].Vacuum: Technology Applications & Ion Physics: The International Journal & Abstracting Service for Vacuum Science & Technology,2009(5):801-804. |
| [11] | 张艳梅,徐重,李忠厚,张平则,张高会.工业纯铁表面离子W、Mo、Co多元共渗扩散行为[J].材料热处理学报,2006(01):112-115. |
| [12] | Hua M;Wei X C;Li J .Friction and wear behavior of SUS 304 austenitic stainless steel against Al2O3 ceramic ball under relative high load[J].Wear,2008,265(5-6):799-810. |
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