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
ISSN2158-3226
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
DOI10.1063/1.5010016
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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