The effects of tempering weld-pass treatment on toughness of HAZ of X80 pipeline steel were studied by the technique of welding thermal simulation and the method of microscope analysis.
采用焊接热模拟技术和显微分析方法，研究了回火焊道热处理对X80级管线钢焊接热影响区韧性的影响规律。
As the key facility of electromagnetic stirring welding technique, the welding electromagnetic stirring device has direct effect on mechanics study and quality control in material processing.
焊接磁搅拌装置作为电磁作用焊接技术研究中的关键设备，对于材料加工过程的机理研究和质量控制有着直接关系。
Welding thermal simulation technique is adopted to study the influences of twice thermal cycle on the structure and properties of X80 pipeline steel.
采用模拟焊接热循环的方法，研究了二次热循环对X80级管线钢焊接热影响区组织和性能的影响。
Based on the analysis of influential factors of high-strength steel weldability, the article introduces ways of choosing welding technique.
通过对高强钢焊接性影响因素的分析，论述了如何合理选择焊接工艺。
Zhou Shuying, senior engineer, has been working on power station auxiliary equipment manufacture since graduation from Jiamusi Institute of Engineering majoring in welding and technique in 1986.
周淑英总经理1986年毕业于佳木斯工学院焊接与工艺专业，高级工程师。
The study on the application for explosive compound welding technique has been preceded.
进行了爆炸复合焊技术应用的研究工作。
Technological process of regeneration of seal rib and profile on tri-lobe Roots blower made in Germany is introduced comprehensively using the technique of electric brush plating & hot spray welding.
介绍了综合运用电刷镀、热喷焊技术对德国制造的三叶罗茨鼓风机密封筋、型面进行“再生”的工艺过程。
Based on the pre-process, numerical simulation and post-process, the application of visualization technique, which is used in the numerical analysis of resistance spot welding process, is introduced.
从前置处理、数值计算及后置处理三个方面出发，着重介绍可视化技术在电阻点焊过程数值分析软件中的应用。
A new welding technique on down-welding has been widely used in welding of long distance pipeline.
下向焊这种焊接新工艺在国内已广泛用于长输管道的焊接。
Furthermore, the paper studied on special construction process about thick slab welding technique, cast steel site-welding technique and cell cantilever assembly without scaffold technique.
在超高层的钢结构施工技术方面，本文则重点研究了现场厚板焊接技术、铸钢节点焊接技术和单元扩大悬臂安装施工技术的原理及技术要点。
A new alloy overlay was prepared by spraying-welding technique on low carbon steel surface.
采用喷焊技术在低碳钢表面获得合金熔覆层。
The influence of welding thermal cycle on structure and properties in grain-coarsening region of X80 pipeline steel was investigated by weld thermal simulation technique and the charpy test.
采用焊接热模拟试验和冲击试验，研究了X80管线钢焊接热循环对粗晶区组织性能的影响。
Welding thermal simulation technique is adopted to study the influences of twice thermal cycle on the structure and properties of X80 pipeline steel.
通过焊接热模拟试验和冲击韧性试验，研究了不同预热温度对X80级管线钢组织性能的影响。
Welding thermal simulation technique is adopted to study the influences of twice thermal cycle on the structure and properties of X80 pipeline steel.
通过焊接热模拟试验和冲击韧性试验，研究了不同预热温度对X80级管线钢组织性能的影响。
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