| 1Cr22Mn16N高氮钢的激光焊接Ⅲ.焊接热影响区组织和性能 |
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| 引用本文： | 赵琳,田志凌,彭云,许良红,李冉.1Cr22Mn16N高氮钢的激光焊接Ⅲ.焊接热影响区组织和性能[J].焊接学报,2007,28(12):26-30. |
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| 作者姓名： | 赵琳 田志凌 彭云 许良红 李冉 |
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| 作者单位： | 1. 钢铁研究总院,先进钢铁流程及材料国家重点实验室,北京,100081;钢铁研究总院,结构材料研究所,北京,100081
2. 钢铁研究总院,先进钢铁流程及材料国家重点实验室,北京,100081 |
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| 基金项目： | 国家重点基础研究发展规划(973计划)
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中国博士后科学基金 |
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| 摘 要： | 利用热模拟技术，对高氮钢激光焊接热影响区（HAZ）的组织和性能进行了研究。结果表明，高氮钢焊接热影响区组织为奥氏体和δ-铁素体。随着焊接冷却速度的增大，高氮钢粗晶区的显微硬度增大；随着焊接峰值温度降低，热影响区显微硬度逐渐减小。焊接热影响区显微硬度均高于母材，没有出现软化区。随着冷却速度的增大，热影响区粗晶区的冲击吸收功先上升然后降低，而整个热影响区出现了两处脆化区。
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| 关 键 词： | 高氮钢 激光焊接 热影响区 组织 性能 |
| 文章编号： | 0253-360X(2007)12-026-05 |
| 收稿时间： | 2007/2/5 0:00:00 |
| 修稿时间： | 2007年2月5日 |
Laser welding of high nitrogen steel 1Cr22Mn16N Ⅲ. Microstructure and mechanical properties of welding heat-affected zone |
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| ZHAO Lin,TIAN Zhiling,PENG Yun,XU Lianghong and LI Ran.Laser welding of high nitrogen steel 1Cr22Mn16N Ⅲ. Microstructure and mechanical properties of welding heat-affected zone[J].Transactions of The China Welding Institution,2007,28(12):26-30. |
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| Authors: | ZHAO Lin TIAN Zhiling PENG Yun XU Lianghong and LI Ran |
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| Affiliation: | State Key Laboratory of Advanced Steel Processes and Products, Central Iron & Steel Research Institute, Beijing 100081, China;Division of Structural Materials, Central Iron & Steel Research Institute, Beijing 100081, China,State Key Laboratory of Advanced Steel Processes and Products, Central Iron & Steel Research Institute, Beijing 100081, China,State Key Laboratory of Advanced Steel Processes and Products, Central Iron & Steel Research Institute, Beijing 100081, China;Division of Structural Materials, Central Iron & Steel Research Institute, Beijing 100081, China,State Key Laboratory of Advanced Steel Processes and Products, Central Iron & Steel Research Institute, Beijing 100081, China;Division of Structural Materials, Central Iron & Steel Research Institute, Beijing 100081, China and State Key Laboratory of Advanced Steel Processes and Products, Central Iron & Steel Research Institute, Beijing 100081, China;Division of Structural Materials, Central Iron & Steel Research Institute, Beijing 100081, China |
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| Abstract: | |
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| Keywords: | high nitrogen steel laser welding heat-affected zone microstructure mechanical properties |
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