| 高能高速等离子喷涂纳米Al_2O_3-13%TiO_2涂层的显微组织与性能 |
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| 引用本文： | 龚志强,吴子健,刘焱飞,吕艳红. 高能高速等离子喷涂纳米Al_2O_3-13%TiO_2涂层的显微组织与性能[J]. 粉末冶金工业, 2011, 21(1) |
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| 作者姓名： | 龚志强 吴子健 刘焱飞 吕艳红 |
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| 作者单位： | 钢铁研究总院,北京,100081 |
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| 摘 要： | 本文采用高能高速等离子喷涂方法制备了纳米Al2O3-13%TiO2(质量分数)涂层.通过X射线衍射法(XRD)分析了涂层物相成分,利用电子扫描显微镜(SEM)观察涂层截面组织形貌,并测量涂层显微硬度与结合强度.结果表明:该涂层具有独特的显微组织结构;涂层的维氏显微硬度达到了1134HV0.1;结合强度超过64MPa.
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| 关 键 词： | 高能高速等离子喷涂 纳米结构涂层 显微硬度 结合强度 |
MICROSTRUCTURE AND PROPERTIES OF HIGH VELOCITY PLASMA SPRAYED NANO-STRUCTURED Al_2O_3-13wt% TiO_2 COATING |
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| GONG Zhi-qiang,WU Zi-jian,LIU Yan-fei,LV Yian-Hong. MICROSTRUCTURE AND PROPERTIES OF HIGH VELOCITY PLASMA SPRAYED NANO-STRUCTURED Al_2O_3-13wt% TiO_2 COATING[J]. Powder Metallurgy Industry, 2011, 21(1) |
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| Authors: | GONG Zhi-qiang WU Zi-jian LIU Yan-fei LV Yian-Hong |
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| Affiliation: | GONG Zhi-qiang,WU Zi-jian,LIU Yan-fei,LV Yian-Hong(China Iron and Steel Research Institute Group,Beijing 100081,China) |
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| Abstract: | In this paper,nano-Al2O3-13wt% TiO2 coating was prepared by High velocity plasma spraying method.The phase constitution and cross-section microstructure of the coatings were investigated by means of X-ray diffraction(XRD) and scanning electron microscopy(SEM).Micro-hardness and bonding strength of the coatings were also measured.The results show that:the coating hasa unique with Vickers micro-hardness of 1 134HV0.1 and bonding strength more than 64 MPa. |
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| Keywords: | High velocity plasma spraying nano-structured coatings micro-hardness bonding strength |
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