Effects of B and P on Microstructure and Mechanical Properties of a Superalloy Used for 700 degrees C Advanced Ultra-Supercritical Steam Turbine
文献类型：期刊论文
| 作者 | Xiao Xuan1; Yang Cheng1,3; Qin Xuezhi3; Zhou Yanwen2; Guo Jianting3; Zhou Lanzhang3 |
| 刊名 | RARE METAL MATERIALS AND ENGINEERING
 |
| 出版日期 | 2017-04-01 |
| 卷号 | 46期号:4页码:1136-1142 |
| 关键词 | 700 degrees C advanced ultra-supercritical Ni-Fe base superalloy B (boron) P (phosphorus) microstructure mechanical property |
| ISSN号 | 1002-185X |
| 通讯作者 | Zhou Lanzhang(lzz@imr.ac.cn) |
| 英文摘要 | A new Ni-Fe based wrought superalloy used for 700 degrees C advanced ultra-supercritical steam turbine rotor was developed. The effects of B and P on the microstructure and mechanical properties of the alloy were investigated. The results show that the major precipitates in the alloy are gamma', MC, M23C6 and M3B2. B restrains the precipitation and growth of the M23C6, increases the binding force of grain boundaries and blocks intergranular crack initiation. P accelerates the precipitation and growth of the M23C6, but suppresses crack initiation and propagation in the surface. hi addition, P atom group hinders grain boundary sliding and dislocation glide. B and P play an even more significant role in strengthening grain boundaries at 700 degrees C than at room temperature. They improve the strength as well as the high-temperature ductility. However, high B content reduces the tensile strength and rupture life of the alloy, impairing the beneficial effect of P. |
| WOS研究方向 | Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000400722000046 |
| 出版者 | NORTHWEST INST NONFERROUS METAL RESEARCH |
| 源URL | [http://ir.imr.ac.cn/handle/321006/124273]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Zhou Lanzhang |
| 作者单位 | 1.Shenyang Ligong Univ, Shenyang 110159, Peoples R China 2.Univ Sci & Technol Liaoning, Anshan 114051, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xiao Xuan,Yang Cheng,Qin Xuezhi,et al. Effects of B and P on Microstructure and Mechanical Properties of a Superalloy Used for 700 degrees C Advanced Ultra-Supercritical Steam Turbine[J]. RARE METAL MATERIALS AND ENGINEERING,2017,46(4):1136-1142. |
| APA | Xiao Xuan,Yang Cheng,Qin Xuezhi,Zhou Yanwen,Guo Jianting,&Zhou Lanzhang.(2017).Effects of B and P on Microstructure and Mechanical Properties of a Superalloy Used for 700 degrees C Advanced Ultra-Supercritical Steam Turbine.RARE METAL MATERIALS AND ENGINEERING,46(4),1136-1142. |
| MLA | Xiao Xuan,et al."Effects of B and P on Microstructure and Mechanical Properties of a Superalloy Used for 700 degrees C Advanced Ultra-Supercritical Steam Turbine".RARE METAL MATERIALS AND ENGINEERING 46.4(2017):1136-1142. |
入库方式： OAI收割
来源：金属研究所
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