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中文摘要：
采用超音速火焰喷涂工艺分别制备了纳米结构和微米结构的WC／12Co涂层．通过和传统轴流式引风机叶片抗冲蚀涂层的比较，研究分析了两种涂层的显微硬度、金相结构、结合强度和抗冲蚀磨损性能。结果表明：超音速火焰喷涂WC／12Co涂层性能优于传统抗冲蚀涂层，其中纳米结构涂层性能更加优越。
英文摘要：
Nanostructured and microstructured WC/12Co coatings were prepared by high velocity oxy-fuel spraying. The properties of hardness, microstructure, adhesion and erosion of two coatings were investigated by comparing with the conventional erosion coatings of axial-flow induced draft fan＇s blade. The results indicated that the WC/12Co coatings by high velocity oxy-fuel spraying showed better properties than the conventional erosion coatings. Between the two coatings the nanostructured coating showed better properties than the microstructured one.
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