Effect of Carbon on the Microstructures and Stress Rupture Properties of a Polycrystalline Ni-Based Superalloy
文献类型：期刊论文
| 作者 | Wang, Han1,2; Sun, Shijie1; Sheng, Naicheng1; Hou, Guichen1; Li, Jinguo1; Zhou, Yizhou1; Sun, Xiaofeng1 |
| 刊名 | ACTA METALLURGICA SINICA-ENGLISH LETTERS
 |
| 出版日期 | 2024-09-23 |
| 页码 | 13 |
| 关键词 | Ni-based superalloy Microstructure Stress rupture property Carbon Carbide |
| ISSN号 | 1006-7191 |
| DOI | 10.1007/s40195-024-01769-y |
| 通讯作者 | Sheng, Naicheng(ncsheng@imr.ac.cn) ; Zhou, Yizhou(yzzhou@imr.ac.cn) |
| 英文摘要 | The effect of carbon content on the microstructures and stress rupture properties of a newly developed polycrystalline Ni-based superalloy with high Cr content has been studied. It was observed that both grain size and the number of carbides increased with an increase in carbon content. After heat treatment, granular M23C6 carbides were dispersed around MC carbides along grain boundaries and inside grains. The quantity of granular M23C6 carbides increased while their sizes decreased. These findings can be verified with the results of thermodynamic calculation and differential scanning calorimetry analysis. The stress rupture times (975 degree celsius/225 MPa) increased from 13.3 to 25.5 h with the carbon content increased from 0.1 to 0.2 wt.%. The improvement can be attributed to two primary factors. Firstly, grain boundary is typically weak region during deformation process and the grain size increased as carbon content increased in the alloy. Secondly, carbides act as hindrances to impede dislocation movement, leading to dislocation entanglement. As carbon content rose, the quantity of carbides in interdendritic regions and grain boundaries increased, providing a certain degree of strengthening effect and resulting in a longer stress rupture time. |
| 资助项目 | National Natural Science Foundation of China[52303394] ; National Key Research and Development Program of China[2022YFB3705000] ; Natural Science Foundation of Liaoning Province[2023-BS-015] ; Science Center for Gas Turbine Project[P2022-C-IV-002-001] |
| WOS研究方向 | Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001318282800002 |
| 出版者 | CHINESE ACAD SCIENCES, INST METAL RESEARCH |
| 资助机构 | National Natural Science Foundation of China ; National Key Research and Development Program of China ; Natural Science Foundation of Liaoning Province ; Science Center for Gas Turbine Project |
| 源URL |  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Sheng, Naicheng; Zhou, Yizhou |
| 作者单位 | 1.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Han,Sun, Shijie,Sheng, Naicheng,et al. Effect of Carbon on the Microstructures and Stress Rupture Properties of a Polycrystalline Ni-Based Superalloy[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2024:13. |
| APA | Wang, Han.,Sun, Shijie.,Sheng, Naicheng.,Hou, Guichen.,Li, Jinguo.,...&Sun, Xiaofeng.(2024).Effect of Carbon on the Microstructures and Stress Rupture Properties of a Polycrystalline Ni-Based Superalloy.ACTA METALLURGICA SINICA-ENGLISH LETTERS,13. |
| MLA | Wang, Han,et al."Effect of Carbon on the Microstructures and Stress Rupture Properties of a Polycrystalline Ni-Based Superalloy".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2024):13. |
入库方式： OAI收割
来源：金属研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。