| 07Mn2Ni2Mo焊丝在线退火工艺探讨 |
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| 引用本文： | 张宝伟,姚上卫,薛旭斌.07Mn2Ni2Mo焊丝在线退火工艺探讨[J].金属制品,2012,38(4):16-18. |
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| 作者姓名： | 张宝伟 姚上卫 薛旭斌 |
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| 作者单位： | 洛阳船舶材料研究所,河南洛阳,471023 |
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| 摘 要： | 介绍07Mn2Ni2Mo焊丝在线退火优化工艺。实验内容:(1)在750℃退火温度下,焊丝以2,4,6,8,10 m/min的运行速度进行退火实验;(2)焊丝采用4 m/min的运行速度,选择600,650,700,750,820,900℃进行退火实验。总结出优化退火工艺:退火温度为750℃,焊丝运行速度为4 m/min。退火后焊丝组织为铁素体+细小珠光体,组织已经完全再结晶,塑性指标得到恢复。
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| 关 键 词： | 07Mn2Ni2Mo 焊丝 生产工艺 在线退火 再结晶 |
Inquiry into continuous annealing process of 07Mn2Ni2Mo welding wire |
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| ZHANG Bao-wei
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YAO Shang-wei
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XUE Xu-bin.Inquiry into continuous annealing process of 07Mn2Ni2Mo welding wire[J].Steel Wire Products,2012,38(4):16-18. |
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| Authors: | ZHANG Bao-wei YAO Shang-wei XUE Xu-bin |
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| Affiliation: | (Luoyang Ship Materials Research Institute,Luoyang 471023,China) |
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| Abstract: | To introduce optimization of 07Mn2Ni2Mo welding wire continuous annealing process.The experiment is as follows.(1)the welding wire annealing experiment running speed is 2,4,6,8,10 m/min at 750 ℃ annealing temperature.(2) the annealing temperature is 600,650,700,750,820,900 ℃ while welding wire running speed is 4 m/min.The optimized annealing process is summarized as follows: annealing temperature is 750 ℃,welding wire running speed is 4 m/min.The welding wire microstructure is ferrite and fine pearlite,the microstructure is fully recrystallized,the plasticity index is restored. |
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| Keywords: | 07Mn2Ni2Mo welding wire production process continuous annealing recrystallization |
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