用真空熔烧方法在45钢表面烧结Co基合金-WC复合涂层,测定几种不同WC含量涂层截面的显微硬度和涂层的耐磨性,并分析涂层显微硬度与耐磨性的关系.用X射线能谱仪(EDS)实测WC颗粒熔烧后化学成分的变化,分析WC硬质相与Co基合金的结合情况.结果表明,Co基合金-WC复合涂层在WC含量小于60%时,其显微硬度和耐磨性与WC含量成正比.这为耐磨涂层的实际应用提供了依据.
参考文献
| [1] | CHEN Zheng;LIM Leong Chew;QIAN Ming .Laser cladding of WC-Ni composite[J].Journal of Materials Processing Technology,1996,62:321-323. |
| [2] | Martin A.;Fernandez JE.;Vijande R.;Rodriguez J. .Sliding wear behaviour of plasma sprayed WC-NiCrBSi coatings at different temperatures[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2001(2):1017-1022. |
| [3] | 李志,曲敬信,吴仲行,周平安,邵荷生.真空熔结镍基合金涂层的组织结构及其高温磨损特性[J].材料工程,2000(01):7-12. |
| [4] | Bahadur S;Yang Chien Nan .Friction and wear behavior of tungsten and titanium carbide coatings[J].Wear,1996,196:156-163. |
| [5] | 王忠柯,郑启光,王涛,辜建辉,许德性,李大佛,胡三虎.激光熔覆多元复合硬质合金覆层的组织结构[J].激光杂志,1999(06):51-52. |
| [6] | 林化春;丁润刚 .镍基合金-碳化铬复合涂层固体界面的结合问题[J].钢铁研究学报,1996,8(01):33-36. |
| [7] | Wang Hui;Xia Weiming;Jin Yuansheng .A study on abrasive resistance of Ni-based coatings with a WC hard phase[J].Wear,1996,195:47-52. |
| [8] | H. Liao;B. Normand;C. Coddet .Influence of coating microstructure on the abrasive wear resistance of WC/Co cermet coatings[J].Surface & Coatings Technology,2000(2/3):235-242. |
| [9] | Stewart D.A.;McCartney D.G.;Shipway P.H. .Abrasive wear behaviour of conventional and nanocomposite HVOF-sprayed WC-Co coatings[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,1999(2):789-798. |
| [10] | Soboley V V;Guilemany J M;Miguel J R .Invesitgation of the development of coating structure during high velocity OXYfuel (HVOF) spraying of WC-Ni powder particles[J].Surface and Coatings Technology,1996(82):114-120. |
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