| Microstructure and tensile properties of dual structure superalloys at intermediate temperatures | |
| Li, Xiangwei1,2; Dong, Jiasheng1; Wang, Li1; Lou, Langhong1; Zhang, Jian1 | |
| Corresponding Author | Wang, Li(wangli@imr.ac.cn) |
| 2019-03-28 | |
| Source Publication | MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
 |
| ISSN | 0921-5093 |
| Volume | 751Pages:15-22 |
| Abstract | The microstructure and tensile properties of dual structure superalloys were investigated. Dual structure superalloys are directionally solidified into fine grains and columnar grains with aid of seeds technique. In the transition zone coarse grains and pseudo columnar grains are observed. MC carbides evolve from blocky to script-like and volume fraction of micro-pores decreases during transition from fine grains to columnar grains. The ultimate tensile strength of dual structure superalloys is slightly lower than that of the base superalloys with only fine grains or columnar grains in the present experiment, but reduction of ductility of the dual structure superalloys is not observed. The deformation and fracture behaviors of dual structure superalloys are analyzed based on the grain rotation and surface deformation morphologies. |
| Keyword | Superalloys Tensile properties Dual structure Fine grain Columnar grain |
| Funding Organization | National Natural Science Foundation of China |
| DOI | 10.1016/j.msea.2019.02.012 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China[51701220] ; National Natural Science Foundation of China[51631008] ; National Natural Science Foundation of China[51671196] ; National Natural Science Foundation of China[51871210] |
| WOS Research Area | Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| WOS ID | WOS:000463128800003 |
| Publisher | ELSEVIER SCIENCE SA |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/132688 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Wang, Li |
| Affiliation | 1.Chinese Acad Sci, Inst Met Res, Superalloys Div, Shenyang 110016, Liaoning, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China |
| Recommended Citation GB/T 7714 | Li, Xiangwei,Dong, Jiasheng,Wang, Li,et al. Microstructure and tensile properties of dual structure superalloys at intermediate temperatures[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2019,751:15-22. |
| APA | Li, Xiangwei,Dong, Jiasheng,Wang, Li,Lou, Langhong,&Zhang, Jian.(2019).Microstructure and tensile properties of dual structure superalloys at intermediate temperatures.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,751,15-22. |
| MLA | Li, Xiangwei,et al."Microstructure and tensile properties of dual structure superalloys at intermediate temperatures".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 751(2019):15-22. |
| Files in This Item: | There are no files associated with this item. | |||||
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment