通过双层辉光等离子表面合金化方法,在C/C复合材料表面成功制得铱涂层,并研究了铱涂层相组成和微观结构.铱涂层呈亮银白色,致密且表面光滑均匀,无明显缺陷.XRD和SEM研究表明:铱涂层呈多晶态,晶粒呈簇柱状晶并与C/C复合材料表面垂直,具有嵌入式结构,晶粒平均直径为0.5 um,铱涂层截面呈现明显的柱状晶生长,涂层内部有少量裂纹和针孔但并未贯穿.
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