以抛光和喷砂的AZ31镁合金为基体,并在基体温度分别为25℃、150℃、250℃下,用等离子喷枪在基体表面喷涂NiAl粉末,研究熔滴粒子扁平行为及涂层的结合机理.研究结果表明:随着基体预热温度的升高,粒子中心扁平凝固区域逐渐扩大;NiAl粉末喷涂时很容易熔化镁合金基体表面,并使基体表面产生凹坑变形,主要是微区冶金结合,提高结合强度.
参考文献
| [1] | Bach F W;M(o)hwald K;Engl L.Properties of thermally sprayed coatings on magnesium parts for enhancement of wear and corrosion resistance[A].Wolfsburg,Germany,2005:720-725. |
| [2] | Bach F W;M(o)hwald K;Babiak Z.Thermally sprayed coatings on Mg alloys for improved wear and corrosion resistance[A].Wolfsburg,Germany,2004:425-434. |
| [3] | 杨元政,刘正义,庄育智.等离子喷涂Al2O3+13%TiO2陶瓷涂层的组织结构及其耐磨性[J].功能材料,2000(04):390-392. |
| [4] | 叶宏,张津,孙智富,杨惠,詹捷.镁合金表面等离子喷涂纳米陶瓷涂层研究[J].武汉理工大学学报,2004(04):9-11. |
| [5] | Masahiro Fukumoto;Ikkei Ohgitani;Toshiaki Yasui .Effect of Substrate Surface Change on Flattening Behaviour of Thermal Sprayed Particles[J].Materials transactions,2004(6):1869-1873. |
| [6] | M.Fukumoto;M.Shiiba;H.Kaji;T.Yasui .Three-dimensional transition map of flattening behavior in the thermal spray process[J].Pure and Applied Chemistry,2005(2):429-442. |
| [7] | M. Fukumoto;Y. Tanaka;E. Nishioka .Flattening Problem of Thermal Sprayed Particles[J].Materials Science Forum,2004(Pt.2):1309-1312. |
| [8] | 邓世均.高性能陶瓷涂层[M].北京:化学工业出版社,2004 |
| [9] | Fukumoto M;Katoh S;Okane I.Splat behavior of plasma sprayed particles on flat substrate surface[A].Osaka:High Temperature Society of Japan,1995:353-358. |
| [10] | Parco M;Zhao LD;Zwick J;Bobzin K;Lugscheider E .Investigation of particle flattening behaviour and bonding mechanisms of APS sprayed coatings on magnesium alloys[J].Surface & Coatings Technology,2007(14):6290-6296. |
| [11] | Li L;Wang XY;Wei G;Vaidya A;Zhang H;Sampath S .Substrate melting during thermal spray splat quenching[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2004(1/2):113-119. |
| [12] | 马晓青.冲击动力学[M].北京:北京理工大学出版社,1991 |
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