Abnormal feather-like grains induced by the thin-wall effect in a polycrystalline nickel-based superalloy
文献类型：期刊论文
| 作者 | Sun, Shijie; Sheng, Naicheng; Fan, Shigang; Ma, Yuejiao; Cao, Xi; Sang, Zhiru; Hou, Guichen; Li, Jinguo; Zhou, Yizhou; Sun, Xiaofeng |
| 刊名 | JOURNAL OF ALLOYS AND COMPOUNDS
 |
| 出版日期 | 2022-04-25 |
| 卷号 | 901页码:10 |
| 关键词 | Polycrystalline superalloy Thin-wall effect Feather-like grains Residual stress Numerical simulation |
| ISSN号 | 0925-8388 |
| DOI | 10.1016/j.jallcom.2021.163581 |
| 通讯作者 | Sheng, Naicheng(ncsheng@imr.ac.cn) |
| 英文摘要 | The effect of wall thickness on the casting microstructures of polycrystalline Ni-based superalloy K465 was investigated. Abnormal feather-like grains with high-angle grain boundaries (HAGBs) were detected. The quantity of the feather-like grains increased with the decrease of the specimen thickness. Experimental investigation and numerical simulation results showed the cooling rate and the residual stress increased with the decrease of the specimen thickness. The increased residual stress and the heat treatment resulted from the sand box with elevated temperature induced the formation of the abnormal feather-like recrystallized grains. This work provides a guidance for producing turbine blades made of cast superalloys. (c) 2022 Elsevier B.V. All rights reserved. |
| 资助项目 | IMR Innovation Fund, China[2021-PY16] ; China Postdoctoral Science Foundation, China[2021M703275] ; Special Research Assistant Program of Chinese Academy of Sciences, China ; Postdoctoral Innovation Talents Support Program, China[BX2021322] |
| WOS研究方向 | Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000749784600001 |
| 出版者 | ELSEVIER SCIENCE SA |
| 资助机构 | IMR Innovation Fund, China ; China Postdoctoral Science Foundation, China ; Special Research Assistant Program of Chinese Academy of Sciences, China ; Postdoctoral Innovation Talents Support Program, China |
| 源URL | [http://ir.imr.ac.cn/handle/321006/173535]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Sheng, Naicheng |
| 作者单位 | Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Sun, Shijie,Sheng, Naicheng,Fan, Shigang,et al. Abnormal feather-like grains induced by the thin-wall effect in a polycrystalline nickel-based superalloy[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2022,901:10. |
| APA | Sun, Shijie.,Sheng, Naicheng.,Fan, Shigang.,Ma, Yuejiao.,Cao, Xi.,...&Sun, Xiaofeng.(2022).Abnormal feather-like grains induced by the thin-wall effect in a polycrystalline nickel-based superalloy.JOURNAL OF ALLOYS AND COMPOUNDS,901,10. |
| MLA | Sun, Shijie,et al."Abnormal feather-like grains induced by the thin-wall effect in a polycrystalline nickel-based superalloy".JOURNAL OF ALLOYS AND COMPOUNDS 901(2022):10. |
入库方式： OAI收割
来源：金属研究所
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