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| 模拟火灾作用对紫铜焊接接头组织和性能的影响 | |
| 引用本文： | 刘政军,于丽丽,张明.模拟火灾作用对紫铜焊接接头组织和性能的影响[J].焊接学报,2011,32(2):41-44. |
| 作者姓名： | 刘政军 于丽丽 张明 |
| 作者单位： | 1. 沈阳工业大学,材料科学与工程学院,沈阳,110870 2. 沈阳工业大学,材料科学与工程学院,沈阳,110870;沈阳消防研究所,火灾现场勘验与物证鉴定公安部重点实验室,沈阳,110034 3. 沈阳消防研究所,火灾现场勘验与物证鉴定公安部重点实验室,沈阳,110034 |
| 基金项目： | 国家科技支撑计划基金资助项目(2006BAK06B04); 公安部应用创新基金资助项目(2010YYCXSYXF138) |
| 摘 要： | 为了得到实际火灾现场中火焰和辐射热对电线及连接部位的电气损伤,模拟了不同温度对4 mm厚的,T3紫铜板焊接接头的作用,通过对焊接接头力学性能、电学性能和显微组织的分析,并将金属结晶及热处理理论与火灾作用机理相比拟,得出温度对紫铜焊接接头组织和性能的影响规律.结果表明,当火灾温度较低时,硬度会因退火强化而略有升高,不会造... |
| 关 键 词： | 温度 紫铜 显微组织 力学性能 钨级氩弧焊 |
| 收稿时间： | 2009/9/28 0:00:00 |
Effect of simulated fire on microstructures and properties of copper welded joint |
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| LIU Zhengjun,YU Lili and ZHANG Ming.Effect of simulated fire on microstructures and properties of copper welded joint[J].Transactions of The China Welding Institution,2011,32(2):41-44. | |
| Authors: | LIU Zhengjun YU Lili and ZHANG Ming |
| Affiliation: | LIU Zhengjun1,YU Lili1,2,ZHANG Ming2(1.School of Materials Science and Engineering,Shenyang University of Technology,Shenyang 110178,China,2.Key Laboratory of Fire Scene Investigation and Evidence Identification of MPS,Shenyang Fire Reseach Institute,Shenyang 110034,China) |
| Abstract: | In order to obtain the effect and electrical injury of the flames and radiant heat on the wires and connecting parts in actual fire scene,a T3 copper plate 4 mm thick was welded by TIG at different temperatures.Through the mechanical and electronic properties and microstructure analysis of welded joints and a comparison of the crystallization and heat treatment theory of metal with fire mechanism,the effects of temperature on the microstructures and properties of copper welded joints were investigated.The r... |
| Keywords: | temperature copper microstructures properties TIG |
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