为了深入研究等离子喷涂纳米Al2O3-13 %TiO2(质量分数)工艺参数与涂层性能之间的关系,采用正交试验设计法,针对等离子喷涂过程中喷涂距离、喷涂电流、主气压力及辅气压力等4个主要参数,选用L9(34)正交表,以涂层结合强度为指标开展制备工艺参数的优化.结果表明,影响涂层结合强度的因素主次顺序是喷涂电流、喷涂距离、主气压力、辅气压力;等离子喷涂纳米Al2O3-13%TiO2最佳工艺参数为:喷涂距离110mm,喷涂电流870A,主气压力0.31MPa,辅气压力0.97MPa,优化工艺喷涂的涂层结合强度达到31.5MPa.
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