Numerical simulation of microstructure evolution in molten pool of nickel-based superalloy during selective laser melting
文献类型：期刊论文
| 作者 | Qiu, Yi1; Li, Ying-ju2; Feng, Xiao-hui2; Zhang, Ang3; Yang, Yuan-sheng2 |
| 刊名 | TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
 |
| 出版日期 | 2024-02-01 |
| 卷号 | 34期号:2页码:560-575 |
| 关键词 | Ni-based superalloys selective laser melting phase-field model grain/dendrite structures evolution competitive growth |
| ISSN号 | 1003-6326 |
| DOI | 10.1016/S1003-6326(23)66417-9 |
| 通讯作者 | Yang, Yuan-sheng(ysyang@imr.ac.cn) |
| 英文摘要 | The competitive growth and the evolution of grain/dendrite structures of IN718 superalloy in the molten pool during selective laser melting (SLM) were investigated with the finite element method (FEM) coupling the phase -field model (PFM). The thermal evolution was solved by the FEM and then the results were input into the PFM model to simulate the microstructure evolution involving grain nucleation, grain epitaxial growth and grain competition. Based on the analysis of microstructure evolution of the transverse and longitudinal sections of the molten pool, the mechanism of dendrite competitive growth in the SLM process was discussed and the concentration distribution of the solute element Nb in the molten pool was quantitatively calculated. The results show that the dendrite competitive growth is affected by both the temperature gradient and the crystallographic orientation. The unfavorable orientation grain with a high misorientation (>22.5 degrees) will be eliminated by the favorable orientation grain quickly. |
| 资助项目 | National Science and Technology Major Project, China[Y2019-VII-0011-0151] |
| WOS研究方向 | Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001228004700001 |
| 出版者 | ELSEVIER |
| 资助机构 | National Science and Technology Major Project, China |
| 源URL |  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Yang, Yuan-sheng |
| 作者单位 | 1.Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 3.Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China |
| 推荐引用方式 GB/T 7714 | Qiu, Yi,Li, Ying-ju,Feng, Xiao-hui,et al. Numerical simulation of microstructure evolution in molten pool of nickel-based superalloy during selective laser melting[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2024,34(2):560-575. |
| APA | Qiu, Yi,Li, Ying-ju,Feng, Xiao-hui,Zhang, Ang,&Yang, Yuan-sheng.(2024).Numerical simulation of microstructure evolution in molten pool of nickel-based superalloy during selective laser melting.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,34(2),560-575. |
| MLA | Qiu, Yi,et al."Numerical simulation of microstructure evolution in molten pool of nickel-based superalloy during selective laser melting".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 34.2(2024):560-575. |
入库方式： OAI收割
来源：金属研究所
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