IMECH-IR  > 先进制造工艺力学实验室
Alternative TitleResearch on Processing of Laser Cladding Ta-W Alloy Coatings
武扬; 虞钢; 何秀丽; 宁伟健; 郑彩云; 张永杰
Source Publication中国激光
Other AbstractTa-W alloy coatings were deposited on pure Ta plate by laser cladding with pre-coating and coaxial powder injection respectively in order to find the effects with two technique.The microstructure of the coatings was analyzed using scanning electron microscopy(SEM) and energy dispersive spectroscopy(EDS).The microhardness was examined by hardness tester.The clad layer which formed with pre-coating had a microstructure of coarse columnar grain and low dilution rate with the substrate.The average microhardness of the clad layer was 1500 HV,it was 10 times greater than the Ta substrate.The clad layer deposited with coaxial power injection had a microstructure consisting of dendrite Ta-W solid solution uniformly dispersed in the Ta matrix.The average microhardness of the clad layer was approximately 800 HV and it was 5 times greater than that of the substrate.
Keyword激光技术 激光熔覆 预置粉末 同轴送粉 Ta-w合金 显微组织
Subject Area力学
Indexed ByEI ; CSCD
Funding Organization国家自然科学基金(10832011)资助课题
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Document Type期刊论文
Corresponding Author武扬
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GB/T 7714
武扬,虞钢,何秀丽,等. 激光熔覆Ta-W合金涂层工艺方法研究[J]. 中国激光,2011,38(8):0803008-1-080300-6.
APA 武扬,虞钢,何秀丽,宁伟健,郑彩云,&张永杰.(2011).激光熔覆Ta-W合金涂层工艺方法研究.中国激光,38(8),0803008-1-080300-6.
MLA 武扬,et al."激光熔覆Ta-W合金涂层工艺方法研究".中国激光 38.8(2011):0803008-1-080300-6.
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