weld joint

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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Numerical Simulation on Residual Stress Fields and Temperature Fields of Weld Joint in the Process of Fusion Welding

熔化焊焊接接头的温度场和应力数值模拟剂油短时接触催化裂化工艺及催化剂

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Why the weld does better in corrosion resistance than base material has been illustrated by measuring the static weight loss and the average corrosion rate about weld joint and base material in exfoliation corrosion solution.

评价了6063铝合金焊缝及母材在剥落腐蚀溶液中的静态失重量及平均腐蚀速率，探讨了焊缝抗腐蚀性能优于母材抗腐蚀性能的原因。

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Two passes ASAW technology for girth weld of LPG cylinder with lock butt joint is introduced.

本文介绍了液化石油气钢瓶环缝锁底接头、两道埋弧焊工艺.

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Influence about Weld Joint Property and Destruction of Aluminium Lithium Alloy by Argon Arc Welding Method

氩弧焊接方法对铝锂合金焊接接头性能和破坏的影响

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Failure Analysis on the Cracked Weld Joint of Stainless Steel Used in Hydrocracker

加氢裂化装置不锈钢管线焊缝开裂失效分析

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This technology test presentation is about procedure test of weld joint property of Cr-Mo steel through normalizing heat treatment, including the tensile strength and impact toughness under low temperature.

介绍了正火处理的Cr-Mo钢焊接接头性能的工艺试验情况，重点探讨了焊接接头抗拉强度和低温冲击性能的影响因素。

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It is very difficult to determine the mechanical properties in different narrow areas of weld joint of aluminium alloy plate using conventional test.

采用常规试验方法来测定铝合金型材构件焊接接头各区的力学性能及其变化规律是很困难的。

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Liquid penetrant test for austenite weld joint and the reliable measures

奥氏体焊缝渗透探伤与可靠性措施

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Microstructure Analysis of Weld Joint for Austenitic Stainless Steel Thick Plate

厚板奥氏体不锈钢焊缝显微组织分析

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Design suggestions based on test results are presented: a weaker beam splice will improve rotation capacity of beam to column connection, reduce the transfer of seismic energy to weld joint and delay its brittle fracture.

根据试验结果提出了设计建议：尽量将拼接设计得弱些，可以提高梁柱连接的转动能力，减少地震作用向梁柱连接焊缝的输入，延缓焊缝的脆性破坏。

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An approach to magnetic particle detection technology used for angle weld joint on small size tube socket based on yoke magnetization method

小尺寸管座角焊缝磁轭法磁粉检测工艺探讨

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The joint shapes suited for CO_2 welding are designed Under which weld quality is still assured but the groove angle and size of fillet weld are reduced. By ways of these the productivity is increased and cost decreased.

提出了适合于CO2焊特点的接头形式，该接头形式在保证焊接质量前提下，减小了对接焊的坡口角度及角焊缝的焊脚尺寸，可以提高焊接生产率，降低成本。

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Arc strike marks on base metal outside the weld joint should be avoided but if present should be treated as defects requiring removal or repair.

应防止在焊接接头之外的母材上产生弧击痕迹，但是如果出现了，就应按照焊接缺陷来进行处理，需要清除或补焊。（请指正）

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Influence of Matching Weld Strength with Its Thermal Expansion Coefficient on the Residual Stress of Welded Joint

强度和线膨胀系数匹配对焊接残余应力的影响规律

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The corrosion behavior of austenite stainless steel weld joint in the different acidic medium was studied.

研究了奥氏体不锈钢焊接接头在不同酸性介质中的腐蚀行为.

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Tensile strength of back weld was higher than base metal, so back weld joint ruptured in the base metal in the experiment. The micrograph of fracture indicated that it was dimple fracture.

打底拉伸强度高于母材，接头断裂在母材处，焊缝断口呈韧窝型剪切断裂。

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The micro analysis demonstrate that the cross section of FSW joint can be divided into weld nugget zone, thermal mechanically affected zone, heat affected zone and base metal.

通过对接头微观组织分析表明，接头横截面由焊核区、热机影响区、热影响区和母材区组成。

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Some problems of weld quality test of space frames with hollow ball joint

关于空心球节点网架焊缝质量检验的几个问题

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The weld joint has good strength and toughness.

焊接接头具有良好的强韧性.

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Test of Weld Joint Property of Cr-Mo Steel after Normalizing Heat Treatment

正火处理的Cr-Mo耐热钢焊接接头性能试验研究

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The pattern of side bend of Mn Si multi layer weld is investigated with side bend test of weld joint, optical microscope and scanning electron microscope analysis. The relationship between weld thermal cycle, heat input and microstructure with pattern of side bend is also discussed.

本文通过焊接接头侧弯试验、光学显微镜和扫描电镜分析，对Mn－Si系多层焊焊缝侧弯形貌进行了研究，探讨了侧弯形貌与焊接热循环、焊接线能量及显微组织之间的关系。

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