Three types of strength matching of welded joints for different steels were reviewed.
综述了焊接接头匹配的三种类型及其利弊。
It put forward some new ideas about detail of welded joints on basis of experience and tests.
并根据实践经验和试验研究，对焊缝构造等问题，提出了新作法的设想。
The maximum shear strength of welded joints can be increased by optimizing the form of lap welding.
通过优化搭接焊形式能提高焊接接头的最大剪切力。
Results indicate that the fatigue strength of welded joints is lower than that of the parent metal.
结果表明：焊接接头高周疲劳性能低于母材的疲劳性能。
Welding of metallic materials is mainly determined by the organization and properties of welded joints.
金属材料的焊接性主要决定于焊接接头的组织及其性能。
The deposition efficiency of welding wires metal, microstructure and mechanical properties of welded joints were studied.
研究了交流和直流反接两种型式下焊丝金属熔敷率、焊接接头金属组织以及接头的力学性能。
The numerical results show that the stress triaxiality varies with the mis matching mode and crack geometry of welded joints.
结果表明焊接接头裂端应力三轴性随焊缝和母材匹配性质及裂纹几何不同而变化。
The test for local strength of welded joints is necessary for strength design and load capacity estimation of the welded joints.
工程上进行焊接接头强度设计或承载能力评定时，需要测定焊接接头各区域的局部强度。
The paper deals with fatigue life of welded joints of offshore structures by using the method of probabilistic fracture mechanics.
本文用概率断裂力学的方法研究了海洋平台管节点的疲劳强度。
It's a new method to increase fatigue strength of welded joints and structure by peening toe of weld with ultrasonic peening equipment.
使用超声波冲击焊趾来提高焊接接头及结构的疲劳强度，是一种国际上刚刚出现的新方法。
Welding T91 steel pipe is usually used TIG welding, mechanical behavior under high temperature of welded joints played an important role.
T91钢管多采用TIG焊，焊接接头高温力学性能对T91钢的应用起至关重要的作用。
It is a new method to increasing fatigue strength of welded joints and structure by peening welded toes with ultrasonic peening equipment.
使用超声波冲击焊趾来提高焊接接头及结构的疲劳强度，是国际上刚刚出现的一种新方法。
The results show that the welding parameters were reasonable, and any welding flaws were not found, and the quality of welded joints were good.
结果表明：焊接工艺参数合理，在焊接接头未发现任何焊接缺陷，焊缝质量良好；
The results show that the proper selection of modes of welded joints and welding technologies can double improve the fatigue life of structures.
结果表明，合理选择焊接接头形式和焊接工艺可以成倍地提高结构的疲劳寿命。
Ultrasonic impact treatment (UIT) is an effective and convenient method to enhance the fatigue strength of welded joints and suchlike structures.
与传统的改善结构疲劳性能的焊后处理措施相比，超声冲击处理是一种既高效又便捷的较为理想的工艺方法。
After aging treatment, the strength and elongation of welded joints under different parameters increased and their mechanical properties were similar.
对焊接接头进行人工时效后，不同热输入条件下得到的焊接接头的强度和延伸率都有明显提高。
The effect of transformation temperature of weld metal on the residual stresses and the fatigue strength of welded joints is analyzed based on their test.
通过焊缝金属相变温度和残余应力测试以及焊接接头疲劳强度试验，分析了焊缝金属相变温度对焊接残余应力和焊接接头疲劳强度的影响规律。
The correct description of temperature field during welding processes for quick heating and cooling is prerequisite for analysis of stress-strain of welded joints.
焊件在快速加热和冷却过程中温度场的正确描述是焊后接头力学性能分析的前提条件。
In this paper, it was studied to improve the fatigue strength of welded joints and structrures of low carbon steel Q235B by peening the welded toes with ultrasonic equipment.
文中利用自行研制的超声波冲击实验装置，对提高低碳钢焊接接头疲劳强度进行了研究。
Flatness, as an important factor to evaluate the quality of outward appearance of welded joints, its compliance is directly related to train running stability and ride comfort.
平直度作为钢轨焊接接头外观质量的重要指标，其合格与否直接关系到列车运行平稳性及乘坐舒适性。
In this work, the liability of welded joints to HSC without removal of the carrying layer is investigated, which has considerably enhanced the information content of the results.
在这工作，焊接处的责任对HSC的没运载的层数的撤除被调查，相当地增加了结果的信息含量。
The intermetallics could be avoided effectively by using the method of transition layers between titanium alloy and stainless steel, and the tensile strength of welded joints is enhanced.
采用过渡层法进行钛合金与不锈钢的焊接时，基本能够避免焊接材料之间脆性金属间化合物的大量生成，从而有效提高焊接接头的连接强度。
To ensure the organization and performance of welded joints, we determined the best welding line energy range, and it provided a basis for the development of the correct welding parameters.
从保证焊接接头的组织和性能出发，确定最佳焊接线能量范围，为制定正确的焊接工艺参数提供了依据。
The hardness of welded joints obtained by double-wire submerged arc welding is significantly better than that obtained by CO2 gas shielded. The peak hardness appears in the heat affected zone.
CO2气体保护焊接头的硬度值明显较双丝埋弧焊接头的硬度值高，硬度值在热影响区出现峰值。
Measurement of the flatness of rail hand been finished by the rail foot flatness measuring instrument, it shows that the device designed can achieve the measure of Smoothness of welded joints.
利用所研制的该平直度检测仪进行了钢轨焊接接头的平直度测量，应用表明：所研制的装置能够实现钢轨焊接接头的平直度测量。
By means of the experiential value of logarithmic fatigue life standard error, the safety fatigue life of welded joints was obtained at different safety probability with certain confidence level.
利用对数疲劳寿命标准差的经验取值，得出了焊接接头对应一定置信度下不同安全概率的低温疲劳寿命表达式。
The tested results show that the steel has good welding adaptability through analyzing the mechanical properties and metallurgical structures of the welded joints.
通过对焊接接头的力学性能和金相组织分析比较，证明该钢具有良好的焊接适应性。
Welded joints shall be of the flush type.
所有的焊接点都在同一平面内。
P the strength of the welded joints along the anchorage length of welded fabric shall be sufficient to resist the design forces.
沿焊接网的锚固长度的焊接点强度必须足够对抗设计应力。
P the strength of the welded joints along the anchorage length of welded fabric shall be sufficient to resist the design forces.
沿焊接网的锚固长度的焊接点强度必须足够对抗设计应力。
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