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Characterization of topologically close-packed phases in secondary reaction zone in a coated CMSX-4 single crystal Ni-based superalloy
X. P. Tan; H. U. Hong; B. G. Choi; I. S. Kim; C. Y. Jo; T. Jin; Z. Q. Hu
2013
Source PublicationJournal of Materials Science
ISSN0022-2461
Volume48Issue:3Pages:1085-1089
AbstractThe topologically close-packed (TCP) precipitation in the secondary reaction zone (SRZ) in a thermal barrier coated alloy CMSX-4 has been investigated. The selected area electron diffraction (SAED) and high-angle annular dark field (HAADF) were used to analyze the TCP precipitates in the three different regions (including the SRZ, grain boundaries, and substrate) in this study. It was found that the interface between the SRZ and substrate was a high-angle grain boundary with a misorientation of similar to 51 degrees. The TCP precipitates at the grain boundaries could inhibit the growth of SRZ. The SAED results indicate that most TCP precipitates were the faulted or twinned mu phase. In addition, the intergrowth of P phase with mu phase was found.
description.department[tan, x. p. ; choi, b. g. ; kim, i. s. ; jo, c. y.] korea inst mat sci, high temp mat res grp, chang won 641831, gyeongnam, south korea. [tan, x. p. ; jin, t. ; hu, z. q.] chinese acad sci, inst met res, superalloy div, shenyang 110016, peoples r china. [hong, h. u.] changwon natl univ, dept mat sci & engn, chang won 641773, gyeongnam, south korea. ; jo, cy (reprint author), korea inst mat sci, high temp mat res grp, 531 changwondaero, chang won 641831, gyeongnam, south korea. ; cyj20@kims.re.kr
KeywordThermal Barrier Coatings Systems Science
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71490
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
X. P. Tan,H. U. Hong,B. G. Choi,et al. Characterization of topologically close-packed phases in secondary reaction zone in a coated CMSX-4 single crystal Ni-based superalloy[J]. Journal of Materials Science,2013,48(3):1085-1089.
APA X. P. Tan.,H. U. Hong.,B. G. Choi.,I. S. Kim.,C. Y. Jo.,...&Z. Q. Hu.(2013).Characterization of topologically close-packed phases in secondary reaction zone in a coated CMSX-4 single crystal Ni-based superalloy.Journal of Materials Science,48(3),1085-1089.
MLA X. P. Tan,et al."Characterization of topologically close-packed phases in secondary reaction zone in a coated CMSX-4 single crystal Ni-based superalloy".Journal of Materials Science 48.3(2013):1085-1089.
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