期刊文献+

不锈钢表面等离子喷涂热障涂层高温氧化性能的研究

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摘要 利用等离子喷涂技术在不锈钢表面喷涂,由底层(NiCrAl)和面层(ZrO2+Y2O3)组成的梯度涂层。用SEM和XRD方法表征了梯度涂层的显微组织和相结构。对喷涂后试样在800℃进行了高温氧化试验,给出了氧化动力学曲线。结果表明不锈钢表面等离子喷涂NiCrAl+(ZrO2+Y2O3)梯度涂层的厚度约为530μm。不锈钢表面喷涂梯度涂层后,提高了高温抗氧化的性能,降低了氧化速率,喷涂后的氧化膜致密,对继续氧化有阻碍作用。
出处 《新技术新工艺》 2007年第4期51-52,共2页 New Technology & New Process
基金 北京市教委科技发展计划资助项目(KM200510017005)
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参考文献7

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