preweld

基本解釋

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.
本文通過對鋁合金6063焊接前后材料機械性能、耐腐蝕性能等的測試,分析了該合金焊后接頭性能發(fā)生變化的原因。
Keywords stainless steel clad plate;hydrogen removal;preweld preheat treatment;postweld annealing heat treatment;
不銹鋼復合板;消氫;焊前預熱處理;焊后退火熱處理;
preweld interval
焊前間隙
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;
焊接工藝實踐表明，控制組對間隙，選擇正確的焊前預熱溫度，嚴格按工藝參數(shù)和技術(shù)規(guī)范進行施工是修復獲得成功的關(guān)鍵；