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在这一讲里,我们主要讲述弧裂形成的基本规律性、典型弧裂案例分析、预防弧裂产生的基本原则和我们对弧裂问题的若干意见等. 1概况弧裂是最常见的淬裂类型之一,其形成条件复杂多变,对其形成原因在迄今为至的有关文献上一直没
In this talk, we mainly talk about the basic regularity of arc crack formation, the analysis of typical arc crack cases, the basic principles of preventing arc cracking and our opinions on arc cracking problems, etc. 1 Overview Arc cracking is the most common quenching One of the types of fissures, the formation of complex and changeable conditions, the reasons for its formation in the literature so far has been to