Microstructural Evolution of a High W Content Ni-Based Superalloy at gamma ' Sub-Solvus Temperatures
文献类型：期刊论文
| 作者 | Zhou, Sigeng1,2; Sheng, Naicheng2; Sun, Shijie2; Fan, Shigang2; Yu, Jinjiang2; Hou, Guichen2; Li, Jinguo2; Zhou, Yizhou2; Sun, Xiaofeng2 |
| 刊名 | METALS AND MATERIALS INTERNATIONAL
 |
| 出版日期 | 2022-06-07 |
| 页码 | 11 |
| 关键词 | Ni-based superalloy gamma ' coarsening gamma/gamma ' eutectic Globularization |
| ISSN号 | 1598-9623 |
| DOI | 10.1007/s12540-022-01216-6 |
| 通讯作者 | Sheng, Naicheng(ncsheng@imr.ac.cn) |
| 英文摘要 | The evolution of gamma' phase and gamma/gamma' eutectic during short-time heat treatment of the Ni-based superalloy with high W content, K416B are investigated. In this study, high temperature Differential Scanning Calorimetry (DSC) is employed to design the heat treatment experiments and the precipitate temperature of secondary gamma' is found in the cooling curve. The standard coarsening model is applied to figure out the coarsening rate constant of gamma' precipitate. On this basis, a novel method is proposed to predict the globularization time of gamma phase in gamma/gamma' eutectic during the heat treatment process. As holding temperature increases, more gamma lamellae convert to platelets before reaching thermodynamic equilibrium. Electron microscopy observations exhibit the boundary splitting and necking formation on the y plate surface. Moreover, the dissolution kinetics of gamma phase is quantitatively assessed by JMAK model. The volume fraction descends rapidly in the initial stage, and then reach to a threshold. Above proposed approaches are validated via various heat treatment experiments. |
| 资助项目 | National Natural Science Foundation of Liao Ning Province[2020-MS-014] ; Innovation Academy for Light-duty Gas Turbine, Chinese Academy of Sciences[CXYJJ20-N-02] ; Chinese Academy of Sciences |
| WOS研究方向 | Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000807339500001 |
| 出版者 | KOREAN INST METALS MATERIALS |
| 资助机构 | National Natural Science Foundation of Liao Ning Province ; Innovation Academy for Light-duty Gas Turbine, Chinese Academy of Sciences ; Chinese Academy of Sciences |
| 源URL | [http://ir.imr.ac.cn/handle/321006/174281]  |
| 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 | 1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 2.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhou, Sigeng,Sheng, Naicheng,Sun, Shijie,et al. Microstructural Evolution of a High W Content Ni-Based Superalloy at gamma ' Sub-Solvus Temperatures[J]. METALS AND MATERIALS INTERNATIONAL,2022:11. |
| APA | Zhou, Sigeng.,Sheng, Naicheng.,Sun, Shijie.,Fan, Shigang.,Yu, Jinjiang.,...&Sun, Xiaofeng.(2022).Microstructural Evolution of a High W Content Ni-Based Superalloy at gamma ' Sub-Solvus Temperatures.METALS AND MATERIALS INTERNATIONAL,11. |
| MLA | Zhou, Sigeng,et al."Microstructural Evolution of a High W Content Ni-Based Superalloy at gamma ' Sub-Solvus Temperatures".METALS AND MATERIALS INTERNATIONAL (2022):11. |
入库方式： OAI收割
来源：金属研究所
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