welding heat input control 焊接线能量控制
High Heat Input Welding 大线能量焊接
welding linear heat input 焊接线能量
low heat input welding 低热输入焊接法
high-heat input welding steel 大线能量焊接用钢
critical heat of welding input 临界焊接热输入
The results show welding heat input has a remarkable effect on the mechanical properties of the joint.
试验结果表明，焊接热量对接头的力学性能有着显著的影响。
The hardness test show that the weld hardness with high welding heat input is higher than that with low welding heat input.
硬度测试结果表明，大线能量焊接热处理后焊接接头的硬度高于小线能量焊接的焊接接头硬度。
With large welding heat input, more upper Bainite and granular Bainite form, which is benefit to improve the property of HAZ.
采用大的线能量焊接，形成较多的上贝氏体和粒状贝氏体组织，对改善接头性能有利。
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