The transformation superplasticity in welding CGHAZ (CoarseGrain Heat Affected Zone) of EH36MOD steel and its effect on fatigue life have been studied with thermal simulating method.
Microstructure of simulated coarsegrain heat affected zone (CGHAZ) of Zr Microalloyed HSLA Steel are investigated using optical microscopy and transmission electron microscopy.
采用光学显微镜和透射电镜研究了锆处理对微合金钢粗晶热影响区组织的影响。
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The coarsegrain zones of laser welded joint of super fine grain steel show good toughness.