用工业型脉冲直流等离子体增强化学气相沉积技术,在高速钢(W18Cr4V)表面沉积了Ti-Si-N复合薄膜,研究了Ti-Si-N复合薄膜的微观组织和力学性能.结果显示,薄膜相结构为纳米晶TiN和纳米晶或非晶TiSi2以及非晶相Si3N4;在Si含量为5.0 at%～28.0 at%范围内,薄膜的晶粒尺寸逐渐变大;Ti-Si-N薄膜的显微硬度相对于TiN有明显增加,最高硬度可达40 GPa;高温退火后,Ti-Si-N纳米复合薄膜的显微硬度与晶粒尺寸在800℃高温下仍然保持稳定.
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