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MoSi2在热障涂层中自愈合作用研究
Study on MoSi2 Coatings by Plasma Spraying
【摘要】 研究了等离子喷涂单一MoSi2涂层在不同的热处理工艺条件下发生的变化,结果表明650℃保温1 h,试样出现粉化现象,验证了“Pesting”现象;750℃保温1 h试样背面出现Mo的氧化物晶体,对混合涂层的透射电镜观察证实了MoSi2的热障涂层中起到了自愈合作用。
【Abstract】 Changes of MoSi2 coatings by Plasma Spraying at different heat treating process were studied.The results showed that the coating was pulverizing heated at 650℃ for one hour,so the "Pesting" phenomenon has been verified.Crystal of molybdenum oxide was seen on back of the coating heated at 750℃ for one hour,it was confirmed by TEM that the coating has self cicatrisation function.
- 【文献出处】 有色金属(冶炼部分) ,Nonferrous Metals(Extractive Metallurgy) , 编辑部邮箱 ,2006年S1期
- 【分类号】TG174.2
- 【被引频次】3
- 【下载频次】261