Laser shock peening of steam turbine blade for enhanced service life

Pramana ◽  
2014 ◽  
Vol 82 (2) ◽  
pp. 347-351 ◽  
Author(s):  
R SUNDAR ◽  
B K PANT ◽  
HARISH KUMAR ◽  
P GANESH ◽  
D C NAGPURE ◽  
...  
Keyword(s):  
Service Life ◽  
Steam Turbine ◽  
Turbine Blade ◽  
Laser Shock Peening ◽  
Laser Shock ◽  
Steam Turbine Blade ◽  
Shock Peening

scholarly journals Influence of multiple laser impacts on thin leading edges of turbine blade

2019 ◽  
Vol 234 (1) ◽  
pp. 130-143
Author(s):  
M Ayeb ◽  
M Frija ◽  
R Fathallah
Keyword(s):  
Turbine Blade ◽  
Turbine Blades ◽  
Leading Edge ◽  
Laser Shock Peening ◽  
Experimental Investigations ◽  
Laser Shock ◽  
Special Effect ◽  
Shock Peening ◽  
Critical Components ◽  
Mechanical Surface

Laser shock peening is a mechanical surface improvement treatment used to enhance the fatigue life of critical components. This paper investigates the influence of multiple square laser impacts to study their special effect on the diverse mechanical behaviours of the thin leading edge surface of turbine blades. Most works existing in the literature have presented experimental investigations. The originality of our paper is to validate and numerically simulate the proposed model. Indeed, a 3D finite element method of a thin leading edge specimen, Ti–6Al–4V, of a turbine blade is numerically simulated using the ABAQUS software. The mechanical surface modifications (residual stresses, equivalent plastic strains and Johnson–Cook superficial damage) induced by the multiple square laser impact are examined in detail. The main purpose of this investigation is to determine the effects of single-sided and double-sided laser shock peening.

scholarly journals Coupled explicit-damping simulation of laser shock peening on x12Cr steam turbine blades

2021 ◽  
Vol 1780 (1) ◽  
pp. 012002
Author(s):  
Festus Fameso ◽  
Dawood Desai ◽  
Schalk Kok ◽  
Mark Newby ◽  
Daniel Glaser
Keyword(s):  
Steam Turbine ◽  
Turbine Blades ◽  
Laser Shock Peening ◽  
Laser Shock ◽  
Steam Turbine Blades ◽  
Shock Peening

Effect of laser shock peening on microstructure and hot corrosion of TC11 alloy

2018 ◽  
Vol 335 ◽  
pp. 32-40 ◽  
Author(s):  
Zhaopeng Tong ◽  
Xudong Ren ◽  
Yunpeng Ren ◽  
Fengze Dai ◽  
Yunxia Ye ◽  
...  
Keyword(s):  
Hot Corrosion ◽  
Laser Shock Peening ◽  
Laser Shock ◽  
Shock Peening

Micro dents fabrication by laser shock peening on surfaces of metal parts

2021 ◽  
Author(s):  
D. S. Shtereveria ◽  
A. A. Volkova ◽  
A. A. Kholopov ◽  
M. A. Melnikova ◽  
D. M. Melnikov
Keyword(s):  
Laser Shock Peening ◽  
Laser Shock ◽  
Metal Parts ◽  
Shock Peening
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