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。
In addition, the effect of welding heat input was studied. Qualitative and quantitative metallographic examination of the simulated microstructures was made to assist t...
此外，还研究了焊接热输入量对局部脆性区断裂韧性的影响，并通过定性、定量的金相显微组织评定对试验结果进行了分析。
If welding procedure tests have been performed at both a high and a low heat input level, then all intermediate heat inputs are also qualified.
如果焊接工艺试验在高热输入值和低热输入值下进行，那么，中间的热输入也应合格。
Pulse welding method is effective to control heat input.
采用脉冲焊接的方式可以有效地控制热输入量。
When impact requirements apply, the upper limit of heat input qualified is 25 % greater than that used in welding the test piece.
当采用冲击要求时，适合的热输入的上限比试件焊接时使用的热输入大25%。
The effects of arc voltage, welding current and heat input on the weld appearance in submerged-arc welding(SAW) of A105 steel with small diameter welding wire were experimentally researched.
主要研究A105钢小直径焊丝埋弧焊时，电弧电压、焊接电流和焊接热输入对焊缝成形的影响。
The studying results indicate that the magnitude and distribution of residual stress are related to the heat input created by welding process and to the cross section geometry.
分析结果表明，厚板焊接工形截面残余应力的大小及分布，除了与焊接输入热量有关外，尚与截面几何尺寸有关。
By increasing the weld heat input, the distribution of martensite becomes more dispersive and glomerate due to the molten pool stiring, the welding stress and the burning loss of alloy elements.
随着焊接热输入量的增加，由于熔池搅拌、焊接应力、合金元素烧损等原因，马氏体的分布更加散乱和密集；
With the heat input of laser welding increases, the hardness of HAZ decreases, but it is higher than that of the base metal, indicating no softened zone after laser welding.
焊接接头显微硬度随热输入的增大而减小，均高于母材，未出现明显的软化区。
A new large heat input welding high strength low alloy steel with low susceptivity to weld cold cracking was developed and the cold strain aging behavior was investigated.
研制了一种低焊接裂纹敏感性高能量输入焊接用低合金高强钢，并研究了其冷应变时效行为。
When hardness requirements apply, the lower limit of heat input qualified is 25 % lower than that used in welding the test piece.
当采用硬度要求时，适合的热输入的下限比试件焊接时使用的热输入低25%。
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 grain distribution and heat pining of grain growth in the welding HAZ. Different influence were predicted by different heat input.
预测了HAZ中晶粒的分布，以及不同的热输入对HAZ晶粒长大的影响和HAZ中晶粒长大的热钉扎效应。
The electric spark build-up welding technology features less heat input and negligible residual stress etc., which is non - replaceable in the welding of special key components.
电火花堆焊工艺具有热输入量小、残余应力可忽略不计等显著特点，在特殊关键部件焊接中有不可替代性。
A new low alloying steel with low susceptibility to weld cold cracking has been developed for large heat input welding in pressure vessel engineering.
试验结果表明，该钢具有焊接冷裂纹倾向低、可用大线能量焊接、焊后不宜进行消氢处理等特点，可用作高强度大焊接线能量用钢。
So the heat input should be kept low to weld galvanization steel sheet. In this paper the MIG welding machine is adopted with special sold…
因此，焊接镀锌板一定要减少热输入量，采用特殊的钎焊材料和性能优良的MIG焊机进行焊接。
The coarse primary ferrite appeared in weld metal, and coarse bainite appeared in heat-affected zone under larger heat input welding condition, which caused low...
在较大焊接热输入条件下焊接，焊缝金属产生粗大先共析铁素体、过热区产生粗大粒状贝氏体，焊接接头低温冲击韧性因此降低。
The coarse primary ferrite appeared in weld metal, and coarse bainite appeared in heat-affected zone under larger heat input welding condition, which caused low...
在较大焊接热输入条件下焊接，焊缝金属产生粗大先共析铁素体、过热区产生粗大粒状贝氏体，焊接接头低温冲击韧性因此降低。
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