| Fracture behavior of heterogeneous nanostructured 316L austenitic stainless steel with nanotwin bundles | |
| Xiong, L.1; You, Z. S.2; Qu, S. D.2; Lu, L.1 | |
| Corresponding Author | Lu, L.(llu@imr.ac.cn) |
| 2018-05-15 | |
| Source Publication | ACTA MATERIALIA
 |
| ISSN | 1359-6454 |
| Volume | 150Pages:130-138 |
| Abstract | The fracture behavior was investigated of a bulk nanostructured 316L austenitic stainless steel with embedded nanotwin bundles incorporated by dynamic plastic deformation. The nanotwin bundles were demonstrated to be critical to strengthen and toughen the as-deformed samples with mixed microstructures of nano-grains and nano-twins. With increment in strength, the fracture toughness decreases due to the generation of increasingly more nano-grains. Additional controlled thermal annealing that makes the nano-grains recover or recrystallize leads to reduced strengths but more remarkably improved fracture toughness. The enhanced strength fracture toughness synergy can be attributed to the nano twin bundles that constrict the damage development in the matrix of either nano-grains or recrystallized grains, and that resist crack propagation via acting as ductile crack bridging ligaments. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. |
| Keyword | Austenitic stainless steel Nanotwins Fracture toughness Crack bridging Strength-toughness synergy |
| Funding Organization | Key Research Program of Frontier Sciences, CAS, National Science Foundation of China ; Fundamental Research Funds for the Central Universities, China ; Natural Science Foundation of Jiangsu Province, China |
| DOI | 10.1016/j.actamat.2018.02.065 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | Key Research Program of Frontier Sciences, CAS, National Science Foundation of China[51420105001] ; Key Research Program of Frontier Sciences, CAS, National Science Foundation of China[51371171] ; Key Research Program of Frontier Sciences, CAS, National Science Foundation of China[51471172] ; Key Research Program of Frontier Sciences, CAS, National Science Foundation of China[51401211] ; Key Research Program of Frontier Sciences, CAS, National Science Foundation of China[U1608257] ; Fundamental Research Funds for the Central Universities, China[30915012104] ; Natural Science Foundation of Jiangsu Province, China[BK20161498] |
| WOS Research Area | Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| WOS ID | WOS:000433272400012 |
| Publisher | PERGAMON-ELSEVIER SCIENCE LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/128347 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Lu, L. |
| Affiliation | 1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China 2.Nanjing Univ Sci & Technol, Herbert Gleiter Inst Nanosci, 200 Xiaolingwei St, Nanjing 210094, Jiangsu, Peoples R China |
| Recommended Citation GB/T 7714 | Xiong, L.,You, Z. S.,Qu, S. D.,et al. Fracture behavior of heterogeneous nanostructured 316L austenitic stainless steel with nanotwin bundles[J]. ACTA MATERIALIA,2018,150:130-138. |
| APA | Xiong, L.,You, Z. S.,Qu, S. D.,&Lu, L..(2018).Fracture behavior of heterogeneous nanostructured 316L austenitic stainless steel with nanotwin bundles.ACTA MATERIALIA,150,130-138. |
| MLA | Xiong, L.,et al."Fracture behavior of heterogeneous nanostructured 316L austenitic stainless steel with nanotwin bundles".ACTA MATERIALIA 150(2018):130-138. |
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