【摘要】 为研究活塞顶部微观裂纹形成的机理，提出了一种采用交替加热冷却活塞顶部的方式来模拟活塞热状态的试验方案，并建立了相应的试验装置。更多还原

【Abstract】 In order to study the mechanism of forming the microcracks on the top of a piston, a test plan of alternatively heating up and cooling the piston to simulate the piston thermal working condition is described in this paper. A test bench has been set up correspondently.更多还原