摘要
Inspired from the superior mechanical properties of TRIP/TWIP steels (TRIP for transformation induced plasticity and TWIP for twinning induced plasticity), a new type of metastable β Ti-alloys showing combined TRIP/TWIP effects through controlling the β stability of Ti-alloys was reviewed. The alloys were designed based on the "d-electron alloy design method" and controlling of electron/atom ratio (e/a). The results show that so-designed alloys display excellent combination of high strength (ultimate tensile strength 900~1200 MPa), high ductility (uniform elongation 40%) and improved work-hardening behavior. The detailed microstructural analysis indicates that the superior performances arise from the synergic effects between α˝ phase transformation induced plasticity (TRIP) and {332}<113> twinning induced plasticity (TWIP).
| 投稿的翻译标题 | Design and Development of New β Titanium Alloys with High Strength, Large Ductility and Improved Strain-hardening Behavior |
|---|---|
| 源语言 | 繁体中文 |
| 页（从-至） | 2787-2792 |
| 页数 | 6 |
| 期刊 | Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering |
| 卷 | 47 |
| 期 | 9 |
| 出版状态 | 已出版 - 1 9月 2018 |
关键词
- Deformation mechanism
- Mechanical behavior
- TRIP/TWIP effects
- Β Ti-alloys