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| Intergranular stress study of TC11 titanium alloy after laser shock peening by synchrotron-based high-energy X-ray diffraction | |
| Su, R; Li, L; Wang, YD; Nie, ZH; Ren, Y; Zhou, X; Wang, J | |
| 2018 | |
| 发表期刊 | AIP ADVANCES
 |
| ISSN | 2158-3226 |
| 卷号 | 8期号:5页码:- |
| 文章类型 | 期刊论文 |
| 摘要 | The distribution of residual lattice strain as a function of depth were carefully investigated by synchrotron-based high energy X-ray diffraction (HEXRD) in TC11 titanium alloy after laser shock peening (LSP). The results presented big compressive residual lattice strains at surface and subsurface, then tensile residual lattice strains in deeper region, and finally close to zero lattice strains in further deep interior with no plastic deformation thereafter. These evolutions in residual lattice strains were attributed to the balance of direct load effect from laser shock wave and the derivative restriction force effect from surrounding material. Significant intergranular stress was evidenced in the processed sample. The intergranular stress exhibited the largest value at surface, and rapidly decreased with depth increase. The magnitude of intergranular stress was proportional to the severity of the plastic deformation caused by LSP. Two shocks generated larger intergranular stress than one shock. (C) 2018 Author(s). |
| 关键词 | Duplex Stainless-steel Foreign Object Damage Fatigue-crack-growth Residual-stress Micromechanical Behavior Plastic-deformation Ti-6al-4v Alloy Evolution Aerofoil |
| DOI | 10.1063/1.5010016 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000433954000057 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.sinap.ac.cn/handle/331007/29053 |
| 专题 | 中科院上海应用物理研究所2011-2018年 |
| 作者单位 | 1.Su, R 2.Li, L 3.Wang, YD 4.Nie, ZH 5.Ren, Y 6.Zhou, X 7.Wang, J |
| 推荐引用方式 GB/T 7714 | Su, R,Li, L,Wang, YD,et al. Intergranular stress study of TC11 titanium alloy after laser shock peening by synchrotron-based high-energy X-ray diffraction[J]. AIP ADVANCES,2018,8(5):-. |
| APA | Su, R.,Li, L.,Wang, YD.,Nie, ZH.,Ren, Y.,...&Wang, J.(2018).Intergranular stress study of TC11 titanium alloy after laser shock peening by synchrotron-based high-energy X-ray diffraction.AIP ADVANCES,8(5),-. |
| MLA | Su, R,et al."Intergranular stress study of TC11 titanium alloy after laser shock peening by synchrotron-based high-energy X-ray diffraction".AIP ADVANCES 8.5(2018):-. |
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