再热裂纹与再热脆化的机理相同，两者同时发生，降低应力防止再热裂纹并不能防止再热脆化。
Mechanism of reheat embrittlement and reheat crack is the same. Reheat embrittlement cannot be avoided by reducing stress.
本文介绍了厚壁压力容器再热裂纹的产生机理，分类和特点，探测方法，影响因素及预防措施等。
The mechanism of the reheat cracking in thick-walled pressure vessels, its classification, features, detection methods, influencing factors and precautions are described.
在深入分析冷裂纹插销试验机的原理和结构的基础上，本文进行了插销式再热裂纹试验装置的研究工作。
On the basis of the principles and structures of the cold cracking implant testing machine, the study on the implant equipment of reheat cracking test is reviewed in this paper.
通过对再热热段至低旁暖管管道角焊缝上裂纹的解剖分析，其原因是热疲劳裂纹引起的。
Through the pipe sample cutting and analyzing the crack in the fillet weld between the hot reheat pipe and the warming pipe, it was found out that the cause of the crack is due to the thermal fatigue.
通过对再热热段至低旁暖管管道角焊缝上裂纹的解剖分析，其原因是热疲劳裂纹引起的。
Through the pipe sample cutting and analyzing the crack in the fillet weld between the hot reheat pipe and the warming pipe, it was found out that the cause of the crack is due to the thermal fatigue.
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