为了提高DSM11合金的使用寿命,采用电弧离子镀技术制备了Ni-20Co-20Cr-8Al-0.5Y、Ni-32Co-20Cr-8Al-0.5Y-1 Si-0.03B两种高温防护涂层,厚度为40~50μm.研究对比了这两种防护涂层的耐高温氧化和热腐蚀性能.
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