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Structure of Plasma-sprayed ZrO2/（Ni/AI）Interface
被引：0
作者：
Zhengyi LIU Hancun CHEN Yuzhi CHUANG (Y.C.Chuang) South China University of Technology
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关键词：
plasma-spray;
interface;
Ni/Al;
ZrO2;
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摘要：
The structures of plasma-sprayed ZrO;/（Ni/AI） interface before and after hot isostatic pressing（HIP） treatment were studied by TEM,ED and X-ray diffraction analysis.Plasma-sprayedZrO;/（Ni/AI） interfacial region is of definite thickness and consists of multi-phase structures.Amorphous ZrO;sublayer,amorphous plus microcrystalline ZrO;sublayer and NiO were found inthe interface.NiO phase formed by the reaction between ceramic coating and metallic substrate inlocal regions.However.the thickness and amount of NiO trended to increase and the distribution ofNiO particles trended continuously when the coating was subjected to HIP treatment.HIP treatmentcan accelerate the diffusion of atoms in the interfacial region.
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页码：350 / 354
页数：5
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