采用Ti靶电弧离子镀与Al靶中频磁控溅射相结合的复合工艺,通过调节Al靶电流,在不锈钢基体上制备了TiN薄膜和TiAlN薄膜样品,并在热处理炉内对薄膜进行高温抗氧化试验,分析了薄膜氧化前后的表面形貌、断口形貌及显微硬度.结果表明:TiAlN薄膜氧化前和氧化后的硬度均随着铝靶磁控溅射电流的增强、铝含量的提高而增加;TiAlN薄膜的高温稳定性明显优于TiN薄膜;TiAlN薄膜经800℃氧化后发生膨胀而变得疏松,内部发生了柱状晶化,致密性下降.
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