Various factors which affect the intercritical hardening process of U shaped steel have been studied.
对影响U型钢亚温淬火工艺的各因素进行了试验。
2
The results show that toughness of the coarse grained HAZ is improved after second welding heat cycle except intercritical two-phase heating.
力学性能测试结果表明,除在临界二相区加热外,二次热循环均使粗晶区得到初化。
3
The crystallographic and physical characteristic for the medium-manganese cast steels after the intercritical heat treatment have also been examined and discussed.