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Microstructural Evolution of a Ni-base Alloy DZ468 Joint Bonded with a New Co-base Filler
Y. H. Jing; Z. Zheng; E. Z. Liu; Y. Guo
2014
Source PublicationJournal of Materials Science & Technology
ISSN1005-0302
Volume30Issue:5Pages:480-486
AbstractNi-base alloy DZ468 has been joined by transient liquid phase bonding technique with a newly developed Co-based filler. The microstructures of the Co-base filler and the joint, the effects of heat treatment on microstructure and hardness of the joint have been investigated by various experimental methods. Results show that the Co-base filler consists of gamma, M2B, M5B3 and M23B6 phases. Because of the interdiffusion between the base metal and the filler, gamma, MC, M5B3 and M23B6 phases are formed in the bonding zone. And localized liquidation of substrate occurs in the diffusion affected zone, with MC and M3B2 precipitating in this area. During heat treatment, the volume of the intermetallic phases in the bonding zone resulting from incomplete isothermal solidification decreases obviously. On the contrary, the width of the diffusion affected zone increases at the solution stage and subsequently decreases at the aging stages.
description.department[jing, yanhong ; zheng, zhi ; liu, enze ; guo, yi] chinese acad sci, inst met res, div superalloy, shenyang 110016, peoples r china. ; liu, ez (reprint author), chinese acad sci, inst met res, div superalloy, shenyang 110016, peoples r china. ; nzliu@imr.ac.cn
KeywordTransient Liquid Phase (Tlp) Bonding Microstructure Evolution Ni-base Alloy Co-base Filler Hot Corrosion-resistance Transient Liquid-phase Compressive Properties High-strength Superalloy Gamma Cast
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72861
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Y. H. Jing,Z. Zheng,E. Z. Liu,et al. Microstructural Evolution of a Ni-base Alloy DZ468 Joint Bonded with a New Co-base Filler[J]. Journal of Materials Science & Technology,2014,30(5):480-486.
APA Y. H. Jing,Z. Zheng,E. Z. Liu,&Y. Guo.(2014).Microstructural Evolution of a Ni-base Alloy DZ468 Joint Bonded with a New Co-base Filler.Journal of Materials Science & Technology,30(5),480-486.
MLA Y. H. Jing,et al."Microstructural Evolution of a Ni-base Alloy DZ468 Joint Bonded with a New Co-base Filler".Journal of Materials Science & Technology 30.5(2014):480-486.
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