The fatigue crack growth (FCG) behavior of the weldheat-affectedzone of 14MnNbq bridge steel was systematically investigated in this paper.
从最弱链模型的物理本质出发,探讨了影响焊接热影响区脆性断裂的主要因素。
2
Cracking resistance of ultra-low cabon Cu-bearing age-hardening steels was studied in this paper by computing, maximum hardness in weldheat-affectedzone 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。
3
Using the heat of welding to vapour water, cooling rates are lowered on the weld bead and heat -affectedzone.