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热喷涂技术:2018,10(4):63-67
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一种基于 Ni60 的激光熔覆耐磨合金粉末设计
(齐鲁工业大学(山东省科学院),山东省科学院激光研究所)
Design Optimization of Wear Resistant Alloy Powder Based on Ni60for Laser Cladding
(Laser Research Institute , Qilu University of Technology (Shandong Academy of Sciences))
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中文摘要: 针对 Ni60 合金粉末进行了成分设计优化,通过添加 WC 提高耐磨性,调整 B 和 Si 元素以及 WC 含量控 制熔覆层的开裂敏感性,并进行了工艺验证,形成了激光熔覆专用耐磨合金粉末。结果表明:设计的新粉末经激 光处理后,可获得无明显裂纹而微观裂纹少的较高质量熔覆层,熔覆层的开裂敏感性减小,耐磨性明显提高。
Abstract:The componen of Ni60 alloy powder is optimized in this paper. Improvement of wear resistance with addition of WC, and controlling the cracking sensitivity of cladding layer by adjusting the content of B, Si and WC. The process validation was carried out. A special wear-resistant alloy powder for laser cladding was formed. The results show that the new powder can obtain high quality cladding without obvious crack and little microfissure by laser treatment. The cracking sensitivity of the cladding layer is decreased and the wear resistance is significantly increased.
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何建群,刘森,成巍,任远.一种基于 Ni60 的激光熔覆耐磨合金粉末设计[J].热喷涂技术,2018,10(4):63-67.
HE Jianqun,LIU Sen,CHENG Wei,REN Yuan.Design Optimization of Wear Resistant Alloy Powder Based on Ni60for Laser Cladding[J].Thermal Spray Technology,2018,10(4):63-67.

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