Cracking resistance of ultra-low cabon Cu-bearing age-hardening steels was studied in this paper by computing, maximum hardness in weld heat-affected zone test and Y-groove cracking test.
采用理论计算、热影响区最高硬度试验和小铁研试验方法研究了超低碳含铜时效钢的抗裂性。
The fatigue crack growth (FCG) behavior of the weld heat-affected zone of 14MnNbq bridge steel was systematically investigated in this paper.