Effect of Heat Treatments on Microstructure and Tensile Properties of TiAl Alloy Extruded below T-alpha
文献类型：期刊论文
| 作者 | Liu Liangliang1,2; Liu Dong2; Liu Renci2; Cui Yuyou2; Yang Rui2 |
| 刊名 | RARE METAL MATERIALS AND ENGINEERING
 |
| 出版日期 | 2017-06-01 |
| 卷号 | 46页码:95-98 |
| 关键词 | TiAl alloy hot extrusion heat treatment microstructures tensile property |
| ISSN号 | 1002-185X |
| 通讯作者 | Liu Dong(dliu@imr.ac.cn) |
| 英文摘要 | The Ti-47Al-2Cr-2Nb-0.15B (at%) alloy rod was fabricated by near isothermal canned hot extrusion at 1300 degrees C on a 3:1 extrusion ratio. With less refined microstructure including small equiaxed grain belt, remnant lamellar and coarse gamma grains in the band shape, the extrusion rod was heat-treated at 900, 1150 and 1310 degrees C separately. The tensile results at room and elevated temperature shows that samples by heat-treatment at 900 degrees C have the best balanced tensile properties with 3.3% elongation at RT. For those samples heat treated at 1150 degrees C with microstructure of near gamma and heat treated at 1310 degrees C with microstructure of near lamellar, their yield strength and ultimate tensile strength are lower than those heat treated at 900 degrees C. The remnant lamellar restricts the gamma grains from growing freely and keeps the microstructure with extrusion morphology at 900 degrees C. |
| WOS研究方向 | Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000406570100020 |
| 出版者 | NORTHWEST INST NONFERROUS METAL RESEARCH |
| 源URL | [http://ir.imr.ac.cn/handle/321006/124830]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Liu Dong |
| 作者单位 | 1.Univ Sci & Techn China, Sch Mat Sci & Engn, Shenyang 11006, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu Liangliang,Liu Dong,Liu Renci,et al. Effect of Heat Treatments on Microstructure and Tensile Properties of TiAl Alloy Extruded below T-alpha[J]. RARE METAL MATERIALS AND ENGINEERING,2017,46:95-98. |
| APA | Liu Liangliang,Liu Dong,Liu Renci,Cui Yuyou,&Yang Rui.(2017).Effect of Heat Treatments on Microstructure and Tensile Properties of TiAl Alloy Extruded below T-alpha.RARE METAL MATERIALS AND ENGINEERING,46,95-98. |
| MLA | Liu Liangliang,et al."Effect of Heat Treatments on Microstructure and Tensile Properties of TiAl Alloy Extruded below T-alpha".RARE METAL MATERIALS AND ENGINEERING 46(2017):95-98. |
入库方式： OAI收割
来源：金属研究所
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