Fracture toughness of a rejuvenated beta-Ti reinforced bulk metallic glass matrix composite
文献类型：期刊论文
| 作者 | Rajpoot, Devashish2,3; Narayan, R. Lakshmi4; Zhang, Long1; Kumar, Punit3; Zhang, Haifeng1; Tandaiya, Parag2; Ramamurty, Upadrasta3,5 |
| 刊名 | JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
 |
| 出版日期 | 2022-04-20 |
| 卷号 | 106页码:225-235 |
| ISSN号 | 1005-0302 |
| 关键词 | Bulk metallic glass composites Fracture Rejuvenation Shear bands Microsegragation |
| DOI | 10.1016/j.jmst.2021.09.001 |
| 通讯作者 | Narayan, R. Lakshmi(rlnarayan@mse.iitd.ac.in) ; Zhang, Long(zhanglong@imr.ac.cn) |
| 英文摘要 | A beta-Ti dendrite reinforced Zr-based bulk metallic glass composite (BMGC) was found to be brittle when cast in a large size. The reasons for the embrittlement and the effectiveness of the cryothermal cycling (CTC) treatment in restoring the mode I fracture toughness are examined. Plasticity in all the CTC treated BMGC is estimated from the distribution and occurrence of pop-ins in nanoindentation tests and by measuring the magnitude of enthalpy of relaxation (Delta H-rel) via differential scanning calorimetry (DSC). This is further validated by examining the strain-to-failure (epsilon(f)) in compression tests. Mode I fracture behaviour of the as-cast embrittled BMGC and the CTC treated BMGC, which exhibits maximum plasticity, is examined. Results show that both BMGCs are equally brittle and exhibit 5 times lower notch toughness (K-QJ) than their tougher counterpart. Post-facto imaging of the side surfaces reveals the absence of notch-tip plasticity in both BMGCs. The lack of notch tip plasticity of CTC treated BMGC, despite exhibiting signatures of plasticity in nanoindentation and higher Delta H(rel )is rationalized by reassessing the origin of pop-ins in nanoindentation tests and describing the variations in chemical and topological short range ordering during CTC, respectively. Implications of these results in terms of improving the fracture toughness of structurally relaxed BMGCs via CTC are discussed. (C) 2022 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology. |
| 资助项目 | Science and Engineering Research Board, DST, GoI[SRG/2020/000095] ; IITB-NTU joint PhD Degree Program ; A STAR via the Structural Metals and Alloys Programme[A18B1b0061] ; National Natural Science Foundation of China[52171164] ; National Natural Science Foundation of China[51790484] ; National Key Research and Development Program[2018YFB0703402] ; Youth Innovation Promotion Association CAS[2021188] |
| WOS研究方向 | Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| 出版者 | JOURNAL MATER SCI TECHNOL |
| WOS记录号 | WOS:000780421100002 |
| 资助机构 | Science and Engineering Research Board, DST, GoI ; IITB-NTU joint PhD Degree Program ; A STAR via the Structural Metals and Alloys Programme ; National Natural Science Foundation of China ; National Key Research and Development Program ; Youth Innovation Promotion Association CAS |
| 源URL | [http://ir.imr.ac.cn/handle/321006/172743]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Narayan, R. Lakshmi; Zhang, Long |
| 作者单位 | 1.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China 2.Indian Inst Technol, Dept Mech Engn, Mumbai 400076, Maharashtra, India 3.Nanyang Technol Univ, Dept Mech & Aerosp Engn, Singapore 637331, Singapore 4.Indian Inst Technol Delhi, Dept Mat Sci & Engn, New Delhi 110016, India 5.ASTAR, Inst Mat Res & Engn, Singapore 138634, Singapore |
| 推荐引用方式 GB/T 7714 | Rajpoot, Devashish,Narayan, R. Lakshmi,Zhang, Long,et al. Fracture toughness of a rejuvenated beta-Ti reinforced bulk metallic glass matrix composite[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2022,106:225-235. |
| APA | Rajpoot, Devashish.,Narayan, R. Lakshmi.,Zhang, Long.,Kumar, Punit.,Zhang, Haifeng.,...&Ramamurty, Upadrasta.(2022).Fracture toughness of a rejuvenated beta-Ti reinforced bulk metallic glass matrix composite.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,106,225-235. |
| MLA | Rajpoot, Devashish,et al."Fracture toughness of a rejuvenated beta-Ti reinforced bulk metallic glass matrix composite".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 106(2022):225-235. |
入库方式： OAI收割
来源：金属研究所
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