This study made a localized full-condition simulation test and safety estimation for site repairing welding of a damaged boiler vessel tube.
本文对某电厂锅炉汽包损坏短管的现场修复焊接工艺以局部试样全条件模拟方法进行了焊接试验分析及其安全性论证。
According to the test, the welding interlayer temperature of X60 pipeline in the normal and low temperature is analyzed in order to study the influence of its variable range on welding quality.
通过采取焊前预热、控制焊接线能量和层间温度、焊后保温缓冷等工艺措施，并采用相应的检测方法，保证了胺液吸收塔的低温焊接质量。
At the same time, using the micro-shear test result to study the micro-performance changes in natural aging of several Al-alloy joints, and the influence of Al-alloy joint by welding parameters.
同时用微型剪切试验研究了几种铝合金焊接接头的自然时效的微区性能变化和焊接规范对铝合金焊接接头性能的影响。
Test and control of welding arc by the means of investigating and utilizing the information is the direct and effective way to study the complex mater-welding arc.
电弧中含有丰富的光谱信息，研究并利用这些信息进行焊接电弧的测控是研究焊接电弧这一复杂物质的最直接最有效的方法。
Study on electrode life test for spot welding hot dip galvanized steel by method of surface titanizing;
对钎头胎体表面渗硼方法和工艺进行了实验研究，给出了有关工艺参数与方法。
Study on electrode life test for spot welding hot dip galvanized steel by method of surface titanizing;
对钎头胎体表面渗硼方法和工艺进行了实验研究，给出了有关工艺参数与方法。
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