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M3B2 and M5B3 Formation in Diffusion-Affected Zone During Transient Liquid Phase Bonding Single-Crystal Superalloys
N. C.; Hu Sheng, X. B.; Liu, J. D.; Jin, T.; Sun, X. F.; Hu, Z. Q.
2015
Source PublicationMetallurgical and Materials Transactions a-Physical Metallurgy and Materials Science
ISSN1073-5623
Volume46AIssue:4Pages:1670-1677
AbstractPrecipitates in the diffusion-affected zone (DAZ) during transient liquid phase bonding (TLP) single-crystal superalloys were observed and investigated. Small size and dendritic-shaped precipitates were identified to be M3B2 borides and intergrowth of M3B2/M5B3 borides. The orientation relationships among M3B2, M5B3, and matrix were determined using transmission electron microscope (TEM). Composition characteristics of these borides were also analyzed by TEM energy-dispersive spectrometer. Because this precipitating phenomenon deviates from the traditional parabolic transient liquid phase bonding model which assumed a precipitates free DAZ during TLP bonding, some correlations between the deviation of the isothermal solidification kinetics and these newly observed precipitating behaviors were discussed and rationalized when bonding the interlayer containing the high diffusivity melting point depressant elements and substrates of low solubility. (C) The Minerals, Metals & Materials Society and ASM International 2014
description.department[sheng, naicheng ; liu, jide ; jin, tao ; sun, xiaofeng ; hu, zhuangqi] chinese acad sci, inst met res, superalloys div, shenyang 110016, peoples r china. [hu, xiaobing] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. ; sheng, nc (reprint author), chinese acad sci, inst met res, superalloys div, 72 wenhua rd, shenyang 110016, peoples r china. ; ncsheng@alum.imr.ac.cn
KeywordDuplex Stainless-steel Metal-matrix Composite Wide-gap Isothermal Solidification Mechanical-properties Boride Microstructure Interlayer Evolution Behavior
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73908
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
N. C.,Hu Sheng, X. B.,Liu, J. D.,et al. M3B2 and M5B3 Formation in Diffusion-Affected Zone During Transient Liquid Phase Bonding Single-Crystal Superalloys[J]. Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science,2015,46A(4):1670-1677.
APA N. C.,Hu Sheng, X. B.,Liu, J. D.,Jin, T.,Sun, X. F.,&Hu, Z. Q..(2015).M3B2 and M5B3 Formation in Diffusion-Affected Zone During Transient Liquid Phase Bonding Single-Crystal Superalloys.Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science,46A(4),1670-1677.
MLA N. C.,et al."M3B2 and M5B3 Formation in Diffusion-Affected Zone During Transient Liquid Phase Bonding Single-Crystal Superalloys".Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science 46A.4(2015):1670-1677.
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