Thermal Relaxation Features of Residual Stresses Arising upon Laser Shock Processing of Heat-Resistant Materials


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In this paper, we study the thermal relaxation features of compressive residual stresses generated during laser-shock wave processing in high-alloyed heat-resistant Iron GH2036 alloy. A finite element modeling of thermal relaxation of the generated compressive residual stresses was performed. The features of the thermal effects on the redistribution of the compressive residual stresses in the temperature range from 200 to 650°C are studied. Based on comparative analysis, the results of the finite element modeling correlated well with the experimental data known in the literature.

Sobre autores

G. Sakhvadze

Blagonravov Mechanical Engineering Research Institute, Russian Academy of Sciences

Autor responsável pela correspondência
Email: sakhvadze@mail.ru
Rússia, Moscow, 119334

R. Kavtaradze

Bauman Moscow State Technical University

Email: sakhvadze@mail.ru
Rússia, Moscow, 105005

T. Natriashvili

Dvali Institute of Machine Mechanics

Email: sakhvadze@mail.ru
Geórgia, Tbilisi, 380086

G. Sakhvadze

Blagonravov Mechanical Engineering Research Institute, Russian Academy of Sciences; Lomonosov Moscow State University

Email: sakhvadze@mail.ru
Rússia, Moscow, 119334; Moscow, 119991

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