用工业型脉冲等离子体增强化学气相沉积设备,在550℃的高速钢基材表面沉积由纳米晶TiN,纳米非晶Si3N4以及纳米或非晶TiSi2组成的复相薄膜.通过改变氯化物混合比例调节薄膜的成分.薄膜中的Si含量在0 at%～35 at%范围内变化.结果表明,当加入少量Si元素后,由于非晶相的产生,TiN薄膜的耐腐蚀性能显著提高,并在一定Si含量的薄膜中发生了负腐蚀现象.但由于Si的低导电性能,致使高硅含量薄膜颗粒粗大,因此更高Si含量薄膜的耐腐蚀性能又有所下降.
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