preweld

基本解释

By measuring the mechanical properties and corrosive property of thealuminium alloy 6063 at preweld and postweld, the causes of variations injoint propery at postweld are analyzed.
本文通过对铝合金6063焊接前后材料机械性能、耐腐蚀性能等的测试,分析了该合金焊后接头性能发生变化的原因。
Keywords stainless steel clad plate;hydrogen removal;preweld preheat treatment;postweld annealing heat treatment;
不锈钢复合板;消氢;焊前预热处理;焊后退火热处理;
preweld interval
焊前间隙
Practice shows that, selecting proper preweld temperature and executing the technology according to technical parameters and specifications is the key to the success of the reconditioning;
焊接工艺实践表明，控制组对间隙，选择正确的焊前预热温度，严格按工艺参数和技术规范进行施工是修复获得成功的关键；