welding zone

In welding zone the lath shape microstructure reduces, and equiaxed microstructure increases.

焊缝区在经过长时运行后板条状组织减少, 等轴状组织增多.

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The basic requirement of welding the steel 2205 is that the weld metal and heat-affected zone obtain a favorable phase balance and retain the performance as the base metal after welding.

平衡铁素体和奥氏体两相组织在焊缝金属和热影响区中的比例，保证焊接接头的性能，是双相不锈钢焊接的基本要求。

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Based on the theory of thermal conductivity in weld zone and selection appropriate for weld type, a correct weld joint between cylindrical shell and its bottom head is designed. It is the efficient joint to prevent the oil cylinder from welding distortion.

根据焊接热传导的理论，选择适当的配合类别，设计出合理的缸体与缸底的焊接接头，可有效地防止缸体的焊接变形。

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The joint transition zone measures about 1.5 times the single side in width and the decarbonized zone is nearly 1.5 times the single side, the cutting and explosion welding process is good for better edge welding of stainless steel carbon steel compound sheets;

双面复合界面的结合过渡区约为单面的1.5倍宽，脱碳区也接近单面的1.5倍.采用切割爆炸焊接法有利于改善不锈钢&低碳钢复合板的边缘焊合。

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Experimental study on elimination of no welding zone in explosive welding

消除爆炸焊接中心不结合区的实验研究

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This paper describes the structure feature of the Vertical Channal up Mounting HP Heater with Suction Subcooling Zone, and its welding& assembling procedure.

介绍带虹吸式疏水冷却段的正置立式高压加热器的结构特点和焊接、组装工艺。

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The large welding current caused the formation of quenched martensite and the high residual stresses in the welding zone, resulting in the increase of zinc sensitivity of hydrogen attack.

结果表明：由于焊接电流过大，使焊缝产生淬火马氏体组织及较大的焊接残余应力，导致镀锌氢脆敏感性增加，造成吸油盘发生氢脆开裂。

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The main speed of laser welding is very fast and the plastic zone is considerably narrow.

这主要与激光焊接线能量小,塑性变形区窄有关.

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Effect of Thermal Strain on Microstructure and Mechanical Properties of Welding Heat-Affected Zone of 2090 Al-Li Alloy

热应变对2090铝锂合金焊接热影响区显微组织和力学性能的影响

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It was found that welding could reduce the corrosion fatigue properties of CF-60 steel because the fatigue properties of the Imcomplete Recrystal Zone ( IRZ) in HAZ were worse than those of matrix and the other zones.

其原因在于，焊接热影响区中的不完全重结晶区的腐蚀疲劳性能低于母材和其它组织区的疲劳性能。

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In this article, the alloying effect and effective factors of globular and pool stage are reviewed in detail emphatically, When the character of reactive zone in Welding With alloying elements added to the covering of globular and pool stage and it's conditions of physicochemistry are discussed.

本文在讨论药皮过渡合金，熔滴和熔池阶段反应区特点及其物化条件的同时，重点对熔滴和熔池阶段合金化作用及其影响因素做了较详细的论述和分析。

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Effect of the Thermal Cycle of Welding Shrinkage Hole on Microstructure and Properties of Heat-Affected Zone Austempered Ductile Iron

焊补缩孔热循环对奥-贝球铁HAZ组织与性能的影响

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