在常温环境下,以Al2O3和Al(体积比3∶7)的混合粉末为原料,以压缩空气为工作气体,利用低压冷喷涂设备,在Q235碳钢表面制备铝涂层,讨论了温度、送粉速率及喷距对涂层沉积效率的影响、同时研究了工艺参数对涂层的显微硬度及结合强度的影响,得出最佳优化工艺参数为工艺参数在温度400 ~500℃、送粉速率24~35 g/min、喷距20 ~ 30 mm.
参考文献
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[3] | Heli Koivuluoto;Juha Lagerbom;Mikko Kylmalahti;Petri Vuoristo .Microstructure and Mechanical Properties of Low-Pressure Cold-Sprayed (LPCS) Coatings[J].Journal of Thermal Spray Technology,2008(5/6):721-727. |
[4] | Heli Koivuluoto;Petri Vuoristo .Effect of Powder Type and Composition on Structure and Mechanical Properties of Cu+Al_2O_3 Coatings Prepared by using Low-Pressure Cold Spray Process[J].Journal of Thermal Spray Technology,2010(5):1081-1092. |
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