| Atomic configurations of planar defects in mu phase in Ni-based superalloys | |
| Cheng, Yongxin1,2; Wang, Guanglei3; Liu, Jide3; He, Lianlong1 | |
| Corresponding Author | He, Lianlong(llhe@imr.ac.cn) |
| 2021-03-01 | |
| Source Publication | SCRIPTA MATERIALIA
 |
| ISSN | 1359-6462 |
| Volume | 193Pages:27-32 |
| Abstract | mu topologically close-packed phase commonly forms in superalloys and its intrinsic deformation is critical for their performance. Atomic configurations of planar defects in mu phase have been investigated by aberration-corrected scanning transmission electron microscopy and geometrical structure analysis. It is found that the basal slip in mu phase is accomplished by synchroshear inside Laves triple-layers, whereas shear deformations on non-basal planes are associated with long-range diffusions or local atomic rearrangements. Distinct from that on (1 (1) over bar 02) pyramidal planes, displacement vectors of planar faults on ( 1 (1) over bar 101) pyramidal planes deviate from the slip plane, leading to the contraction or dilation faulted regions. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. |
| Keyword | mu phase Planar defects HAADF-STEM Displacement vectors Atomic configurations |
| Funding Organization | National Natural Science Foundation of China ; Dong Fang Turbine Co., Ltd |
| DOI | 10.1016/j.scriptamat.2020.09.045 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China[51831001] ; Dong Fang Turbine Co., Ltd |
| WOS Research Area | Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| WOS ID | WOS:000591503400006 |
| Publisher | PERGAMON-ELSEVIER SCIENCE LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/158682 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | He, Lianlong |
| Affiliation | 1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Superalloys Div, Shenyang 110016, Peoples R China |
| Recommended Citation GB/T 7714 | Cheng, Yongxin,Wang, Guanglei,Liu, Jide,et al. Atomic configurations of planar defects in mu phase in Ni-based superalloys[J]. SCRIPTA MATERIALIA,2021,193:27-32. |
| APA | Cheng, Yongxin,Wang, Guanglei,Liu, Jide,&He, Lianlong.(2021).Atomic configurations of planar defects in mu phase in Ni-based superalloys.SCRIPTA MATERIALIA,193,27-32. |
| MLA | Cheng, Yongxin,et al."Atomic configurations of planar defects in mu phase in Ni-based superalloys".SCRIPTA MATERIALIA 193(2021):27-32. |
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