| 履带板加热器消除焊接残余应力的试验研究 |
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| 引用本文： | 李小刚,姚伟伟,王家开,张泽灏.履带板加热器消除焊接残余应力的试验研究[J].西南交通大学学报,2004,39(4):554-556. |
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| 作者姓名： | 李小刚 姚伟伟 王家开 张泽灏 |
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| 作者单位： | 1. 大连铁道学院材料科学与工程系,辽宁,大连,116028
2. 大连船用柴油机厂,辽宁,大连,116022 |
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| 摘 要： | 测试了履带板加热过程中温度沿钢板厚度方向的分布，并用小孔释放法测试了补焊试板在焊态、经履带板加热以及炉内加热后残余应力的分布．结果表明，履带板加热时所需加热时间较长，但温度沿试板厚度方向梯度小，截面温度分布均匀；履带板加热器消除焊接残余应力效果与炉内加热相当．
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| 关 键 词： | 焊接 残余应力 温度场 履带板加热器 温度分布 |
| 文章编号： | 0258-2724(2004)04-0554-03 |
Experimental Investigation on Stress Relief Treatment with Pedrail-Type Heater |
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| LI Xiao-gang,YAO Wei-wei,WANG Jia-kai,ZHANG Ze-hao.Experimental Investigation on Stress Relief Treatment with Pedrail-Type Heater[J].Journal of Southwest Jiaotong University,2004,39(4):554-556. |
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| Authors: | LI Xiao-gang YAO Wei-wei WANG Jia-kai ZHANG Ze-hao |
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| Institution: | LI Xiao-gang~1,YAO Wei-wei~1,WANG Jia-kai~2,ZHANG Ze-hao~2 |
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| Abstract: | The distribution of temperature in a steel plate heated by pedrail-type heaters was measured and the distributions of welding residual stresses as welded and after stress relief were investigated with hole-drilling strain-gauge method. The results show that, the temperature gradient along the thickness of the testing plate heated by a pedrail-type heater is neglectable and the temperature distribution is uniform after a reasonable heating time, and that comparable effects of residual stress relief can be obtained with pedrail-type heater and in furnace. |
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| Keywords: | welding residual stress temperature field pedrail-type heater |
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