| 09MnNiDR钢焊接工艺 |
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| 引用本文： | 杨智华,黄保平,丁全有,张岚.09MnNiDR钢焊接工艺[J].电焊机,2017,47(6). |
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| 作者姓名： | 杨智华 黄保平 丁全有 张岚 |
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| 作者单位： | 1. 山东豪迈化工技术有限公司,山东青岛,266045;2. 山东豪迈机械科技股份有限公司,山东,高密261500 |
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| 摘 要： | 介绍09MnNiDR埋弧自动焊多层多道焊的焊接工艺、热处理工艺,以及09MnNiDR母材及焊材的性能特点。对比经过热成型930℃(65min)+正火900℃(100min)+回火620℃(120min)+模拟热处理560℃(6h)后及经过模拟热处理560℃(6h)后两种不同热处理状态下材料的拉伸、冲击、组织及硬度的变化。分析性能变化原因,为09MnNiDR钢的焊接提供参考和借鉴。
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| 关 键 词： | 09MnNiDR 埋弧自动焊 多层多道焊 热处理状态 |
Welding technology of 09MnNiDR steel |
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| YANG Zhihua,HUANG Baoping,DING Quanyou,ZHANG Lan.Welding technology of 09MnNiDR steel[J].Electric Welding Machine,2017,47(6). |
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| Authors: | YANG Zhihua HUANG Baoping DING Quanyou ZHANG Lan |
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| Abstract: | The automatic multi-layer and multi-pass submerged-arc welding technology,heat treatment technology and the characteristics of the base metal and materials for 09MnNiDR steel are introduced.The tensile,impact and the changes of microstructure and hardness are compared under two different heat treatment conditions,which are thermoforming 930 ℃ (65 min)+normalizing 900 ℃ (100 min)+tempering 620 ℃ (120 min)+simulated heat treatment of 560 ℃ (6 h) and simulated heat treatment 560 ℃ (6 h) respectively.And the reasons of characteristics change are analyzed,which provides a good guidance for the welding of 09MnNiDR steel. |
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| Keywords: | 09MnNiDR automatic submerged-arc welding multi-layer and multi-pass welding heat treatment condition |
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