【摘要】 对锅炉压力容器中疲劳裂纹进行分析和研究 ,建立裂纹扩展速率与断裂力学参数之间的关系 ,提出了计算锅炉压力容器寿命的一种新方法 .更多还原

【Abstract】 The article presents the analysis and research on t he fatigue crack in boilers and pressure vessels, establishes the relationship between the crack extension speed and the parameter s of fracture mechanics, and proposes a new method to calculate the service life of boilers and pressure vess els.更多还原