premature hardening 中文意思是什麼
premature hardening
解釋
過早硬化-
The results show that the bottom area of the steel rail is rolled severely during rolling process, and thus resulted in the local plastic deformation, hardening and concentration of inclusions in the bottom area, leading to the premature fracture of the steel rail
分析認為:鋼軌在軋制過程中軌道底部區域收到嚴重碾壓,產生了局部塑性變形和硬化,局部區域夾雜物集中,導致鋼軌斷裂。
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