Effects of primary and secondary alpha phase on tensile property and fracture toughness of Ti-1023 alloy
文献类型：期刊论文
| 作者 | Wang Xiaoyan; Liu Jianrong; Lei Jiafeng; Cao Mingzhou; Liu Yuyin |
| 刊名 | ACTA METALLURGICA SINICA
 |
| 出版日期 | 2007-11-01 |
| 卷号 | 43期号:11页码:1129-1137 |
| 关键词 | Ti-1023 alloy primary alpha phase secondary alpha phase tensile property fracture toughness |
| ISSN号 | 0412-1961 |
| 通讯作者 | Lei Jiafeng(jflei@imr.ac.cn) |
| 英文摘要 | The volume fraction of primary alpha phase (alpha(p)) in Ti-1023 alloy plays the main role in influencing the mechanical properties. Under solution heat treatment (ST) condition, tensile strength decreases with the decrease of the volume fraction of alpha(p); Under solution and aging heat treatment (STA) condition, both the strength and fracture toughness (K-IC) exhibit the increase tendency with the decrease of the alpha(p) volume fraction, but the increase amplitude for K-IC was far less than that for strength. The above results can be explained by the decrease of the alpha(p) volume fraction caused the increases of the solute concentration in metastable beta phase and the growth of beta grain size. The secondary alpha phase (alpha(s)) has obvious effect on improving mechanical strength. With the growth of alpha(s) size and the decrease of its amount, the strengthening effect of as was decreased, but fracture toughness and tensile ductility were obviously improved. The better combination of fracture toughness and tensile strength can be achieved by lowering alpha(p) volume fraction, controlling appropriate alpha(s) amount and its size and reducing the amount and size of continuous grain boundary alpha phase. |
| WOS研究方向 | Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000251576700002 |
| 出版者 | SCIENCE CHINA PRESS |
| 源URL | [http://ir.imr.ac.cn/handle/321006/90916]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Lei Jiafeng |
| 作者单位 | Chinese Acad Sci, Inst Met Res, Titanium Alloy Lab, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang Xiaoyan,Liu Jianrong,Lei Jiafeng,et al. Effects of primary and secondary alpha phase on tensile property and fracture toughness of Ti-1023 alloy[J]. ACTA METALLURGICA SINICA,2007,43(11):1129-1137. |
| APA | Wang Xiaoyan,Liu Jianrong,Lei Jiafeng,Cao Mingzhou,&Liu Yuyin.(2007).Effects of primary and secondary alpha phase on tensile property and fracture toughness of Ti-1023 alloy.ACTA METALLURGICA SINICA,43(11),1129-1137. |
| MLA | Wang Xiaoyan,et al."Effects of primary and secondary alpha phase on tensile property and fracture toughness of Ti-1023 alloy".ACTA METALLURGICA SINICA 43.11(2007):1129-1137. |
入库方式： OAI收割
来源：金属研究所
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