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| 摘要: |
| 针对汕头国际集装箱码头重型钢轨的焊接问题,对高碳高强合金钢中的重型钢轨用常规的手工电弧焊焊接工艺进行了研究。研究表明:通过采用预热、焊后加热和缓冷等多层多道焊接的工艺措施,可提高焊接接头质量,达到了工程设计中钢轨使用性能的要求,焊接质量一次合格率达100%。 |
| 关键词: 重型钢轨,手工电弧焊,延迟裂纹,工艺设计 |
| DOI： |
| 分类号:TG44 |
| 基金项目: |
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| On controlling crack- welding in high- carbon high- strength alloy- rail |
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LAI Xiang-sheng
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| Abstract: |
| According to heavy-duty rail welding of containers at the port of Shantou,this paper studied high-carbon high-strength alloy-rail welding by using regular manual electric arc welding technology.The research indicated that using multi-layer and multi-chann |
| Key words: heavy-duty rail,manual electric arc welding,delay crack,technology art, |
