简要阐明了造成不同焊缝应力分布的原因及火工校弯成形工艺对构件残余应力分布的影响。
The reasons for different mode of welding residual stress distribution and influence of flame curving on steel structure are discussed.
提出用高温近火方法来改善矩形截面冷拔型钢表面残余应力的工艺探索。
The technical investigation of relieving residual stress on the surface of rectangular cold drawn section by means of high temperature heat treatment was provided.
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