Numerical Simulation of Residual Stresses and Structural Vibration of Welding Repaired Blades
Ying Zhang,
Ruimin Luo,
Shuai Liang
Abstract:Taking a typical aero-engine high-pressure compressor blade as the research object, the Gauss heat source was used to numerically simulate the repair process of blade surfacing welding. The temperature data and stress data of the blade were obtained when the heat source velocity was 1 mm/s, 2 mm/s, and 4 mm/s, respectively. The results showed that both the temperature and stress values decreased with the heat source velocity increasing. Then, the residual stress of the repaired blade is introduced into the mod… Show more
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