heat checking

基本解释

The welding procedure of main pressure parts , its bulk heat treatment and checking point are detailed.
详细介绍了主要受压件的焊接工艺、整体消除焊接应力热处理技术以及关键的检验控制点。
One of major test is put panels at 800'c for 10min, then checking Heat reistance. so it is really important.
其中一项主要测试是将试板放在800摄氏度10分钟，检测漆膜的耐热性，这是相当重要的。
After repeated cycling in this manner, fatigue will cause formation of a crack pattern thats recognized as heat checking.
这种状态循环往复将引起形成龟裂的模面，那就是作为识别热裂纹的特征。