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The low-cycle fatigue deformation mechanisms of two single crystal superalloys at room temperature and 600 degrees C
Zhang, Yaoli; Wang, Xinguang; Li, Jinguo; Cheng, Yin; Yang, Yanhong; Meng, Jie; Liu, Jinlai; Liu, Jide; Zhou, Yizhou; Sun, Xiaofeng
2019-10-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume171Pages:122-125
AbstractThe LCF behaviors of two Ni-based single-crystal superalloys at room temperature and 600 degrees C have been studied. Superalloy with 3 wt% Ru-containing (3Ru alloy) had more excellent fatigue performances than that of non-Ru superalloy (0Ru alloy). Microstructures observed by transmission electron microscope showed that 0Ru alloy exhibited slip bands with orthogonal slip directions after the test. (1 (1) over bar1) [011] and (1 (1) over bar1) [0 (1) over bar1] slip systems were activated in plastic deformation process. While (111) [0 (1) over bar1] and (1 (1) over bar1) [0 (1) over bar1] slip systems of 3Ru alloy were along the single slip direction. Therefore, adding alloying element Ru to the superalloy promoted uniform deformation and prolonged fatigue life. (C) 2019 Acta Materialia Inc Published by Elsevier Ltd. All rights reserved.
KeywordLow-cycle fatigue Slip band Ruthenium element Single crystal superalloy
Indexed BySCI
Language英语
WOS IDWOS:000479026100025
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80747
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Zhang, Yaoli,Wang, Xinguang,Li, Jinguo,et al. The low-cycle fatigue deformation mechanisms of two single crystal superalloys at room temperature and 600 degrees C[J]. SCRIPTA MATERIALIA,2019,171:122-125.
APA Zhang, Yaoli.,Wang, Xinguang.,Li, Jinguo.,Cheng, Yin.,Yang, Yanhong.,...&Sun, Xiaofeng.(2019).The low-cycle fatigue deformation mechanisms of two single crystal superalloys at room temperature and 600 degrees C.SCRIPTA MATERIALIA,171,122-125.
MLA Zhang, Yaoli,et al."The low-cycle fatigue deformation mechanisms of two single crystal superalloys at room temperature and 600 degrees C".SCRIPTA MATERIALIA 171(2019):122-125.
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