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Unweldable superalloy component repair using electro-spark deposition with high strength filler material
Xie, YJ; Wang, MC
通讯作者Xie, YJ(yjxie@imr.ac.cn)
2005-11-01
发表期刊TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
卷号15页码:359-364
摘要Nickel-base superalloy components with high Al + Ti content are difficult to weld repair using high strength filler materials with conventional welding methods like TIG welding. A feasibility study of electro-spark deposition (ESD) for unweldable superalloy component repair with a high strength filler material was carried out. SEM analysis reveals that a fully dense, crack-free, metallurgical bonded deposition layer can be obtained on the K24 substrate. The as-deposited microstructure characterizes fine cellular structure and the post weld heat treatment precipitates fine gamma particles. The room temperature tensile testing and 975 degrees C, 196 MPa stress rupture life testing indicate that ESD makes positively contribution to mechanical performance of repaired specimens. Based on these results, ESD has the potential as an effective alternative to repair of damage and defects in superalloy components, but more efforts should be made before it can be applied in engineering repair.
关键词superalloy electro-spark deposition repair
收录类别SCI
语种英语
WOS研究方向Metallurgy & Metallurgical Engineering
WOS类目Metallurgy & Metallurgical Engineering
WOS记录号WOS:000233494100077
出版者ALLERTON PRESS INC
引用统计
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/83096
通讯作者Xie, YJ
作者单位Chinese Acad Sci, Met Res Inst, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
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GB/T 7714
Xie, YJ,Wang, MC. Unweldable superalloy component repair using electro-spark deposition with high strength filler material[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2005,15:359-364.
APA Xie, YJ,&Wang, MC.(2005).Unweldable superalloy component repair using electro-spark deposition with high strength filler material.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,15,359-364.
MLA Xie, YJ,et al."Unweldable superalloy component repair using electro-spark deposition with high strength filler material".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 15(2005):359-364.
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