| 汽车电气线路短路试验与鉴定技术的研究 |
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| 引用本文： | 陈克,刘振刚.汽车电气线路短路试验与鉴定技术的研究[J].汽车电器,2006(2):56-59. |
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| 作者姓名： | 陈克 刘振刚 |
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| 作者单位： | 公安部天津消防研究所,天津,300381 |
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| 摘 要： | 一次短路熔痕、二次短路熔痕和搭铁短路熔痕是汽车火灾中常见的痕迹物证,本文首次提出在12V和24V汽车电源下,采用定性模拟试验的方法,分别制备了这3种熔痕样品,并对样品的宏观形貌、金相组织等进行分析、归纳和总结,最终得出结论:对汽车火灾中提取的导线熔痕进行宏观分析和金相分析等,可有效地判断导线熔痕的短路类型,给汽车火灾原因的认定提供重要的科学依据和技术支持。
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| 关 键 词： | 汽车火灾 物证鉴定 短路熔痕 金相分析 |
| 文章编号： | 1003-8639(2006)02-0056-04 |
| 收稿时间： | 2005-07-13 |
| 修稿时间： | 2005年7月13日 |
Test and Appraisal Technology for Vehicle Electric Circuit Short |
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| CHEN Ke,LIU Zhen-gang.Test and Appraisal Technology for Vehicle Electric Circuit Short[J].Auto Electric Parts,2006(2):56-59. |
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| Authors: | CHEN Ke LIU Zhen-gang |
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| Institution: | Tianjin Fire Research Institute of MPS, Tianjin 300381, China |
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| Abstract: | Three common melted marks caused by short circuit in vehicle fire,which are called the first short circuit melted mark,second short circuit melted mark and grounded short circuit melted mark are prepared by experiments.By analyzing the macro-appearance,metallurgical structure and other characteristics of samples,it is concluded that the three melted marks found in vehicle fire investigation can be of great use to determine the fire cause. |
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| Keywords: | vehicle fire material evidence identification melted marks metallographic analysis |
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