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论文针对钢铁冶炼等行业高温运行构件处于高温状态运行,承受波动载荷经常发生高温疲劳断裂的问题,提出极端服役条件下重大装备的基于激光冲击波力效应的裂纹面止裂与强化机制研究。原理是利用高功率密度(GW/cm2量级)、短脉冲(ns
In this paper, aiming at the problems that high-temperature running components such as iron and steel smelting operate at high temperature and bear frequent high temperature fatigue fracture under fluctuating load, the research on crack arrest and strengthening mechanism based on laser shock wave force effect is put forward. The principle is to use high power density (GW / cm2 order), short pulse (ns