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。
The microstructure of the deposited metal and the effect of the welding heat input on the formation of the deposited metal are studied.
分析了堆焊熔敷金属的显微组织，研究了焊接线能量对堆焊层金属显微组织形成的影响。
Applied GTAW and SMAW to weld Ammonia Saturator with emphasis on preweld treatment and controlling welding heat input, high welding quality and efficiency were reached.
在氨饱和器焊接中采用钨极氩弧焊与焊条电弧焊相结合的焊接方法，重视焊前清理和焊接线能量控制，既保证焊接质量又提高生产效率。
The research work, fabricating, welding, heat-input control, welding test and evaluation, heat treatment, machining and inspection of titanium distance sleeve are presented here.
介绍了钛隔离套制造工艺的研制过程，成型、焊接、线能量控制、焊接实验及评定、热处理、机加工和检验。
The research work, fabricating, welding, heat-input control, welding test and evaluation, heat treatment, machining and inspection of titanium distance sleeve are presented here.
介绍了钛隔离套制造工艺的研制过程，成型、焊接、线能量控制、焊接实验及评定、热处理、机加工和检验。
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