On this basis,the forming mechanisms of the crack and the reasons for the reduction of mechanical properties in heat affected zone were researched.
在此基础上,研究了裂纹的形成机理以及热影响区力学性能降低的原因。
参考来源 - 高速列车车体用A6N01铝合金型材焊接裂纹研究While the vapor plume produced from graphite/nickel target was too small and far away from the heat affected zone where the catalyst nanoparticles can stably exists, carbon nanotubes cannot form under such a condition.
而激光作用镍/石墨靶形成的蒸气羽区较小,距离催化剂稳定存在的热影响区较远,起不到提供碳源的作用,也就不能形成碳纳米管。
参考来源 - 激光法制备碳纳米管及碳包覆金属纳米颗粒的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The heat affected zone consists of grown grains.
热影响区的组织发生了粗化。
The result of microstructures analysis show: there are melted zone , transient zone and heat affected zone in the laser melted layer.
对重熔区显微组织进行了研究，研究表明：激光重熔区分为熔凝区、过渡区及热影响区；
In frequent bending stress condition, fatigue cracking occurred due to the cracking source had been initiated in welding heat affected zone.
在承受频繁的弯曲应力作用后，在其焊接热影响区萌生了裂纹源进而发生疲劳开裂。
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