Crack Propagation Under Residual Stress Field Induced by Laser Shock Peening

被引：1

作者：

Vshivkov, A. N. ^{[1
]}

Iziumova, A. Yu. ^{[1
]}

Gachegova, E. A. ^{[1
]}

Bartolomei, M. L. ^{[1
]}

Plekhov, O. A. ^{[1
]}

Ugolnikov, M. V. ^{[2
]}

Ilinykh, A. V. ^{[2
]}

Wildemann, V. E. ^{[2
]}

机构：

[1] Russian Acad Sci, Inst Continuous Mech, Ural Branch, Perm, Russia

[2] Perm Natl Res Polytech Univ, Perm, Russia

来源：

RUSSIAN PHYSICS JOURNAL | 2024年 / 67卷 / 09期

基金：

俄罗斯科学基金会;

关键词：

laser shock peening; residual stress; fatigue crack;

D O I：

10.1007/s11182-024-03267-1

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The fatigue crack kinetics in the residual stress field is investigated in the specimens of TC4 titanium alloy after their laser shock peening (LSP). Following this treatment, the fatigue tests are carried out. The fatigue life of the specimens after LSP is found to increase. The maximum applied force in the fatigue cycle, which compensates for the residual stress effect, is determined by a numerical simulation. This determines the range of applied forces within which the compressive residual stress field generated by LSP remains effective.

引用

页码：1449 / 1455

页数：7

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