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Visual and oxide analysis for identification of electrical fire scene
Xie, DB; Wang, W; Lv, SL; Deng, S; Wang, W (reprint author), Xinjiang Police Coll, Urumqi 830013, Peoples R China.
2018-04-01
Source PublicationFORENSIC SCIENCE INTERNATIONAL
ISSN0379-0738
Volume285Pages:E21-E24
AbstractThree aluminum wires with different melted mark, which were found inside a burned distribution board from the electrical fire debris in rural areas of Northeast China were characterized to determine the cause of fire. By visual and microstructure/metallographic analysis, one melted bead shows typical morphology (microstructure/characteristics) as a result of overheating or electric short circuit (ESC) arc beads which was identified as the most possible ignition source. The macro-/micro-structure of the metallic wire, the chemical composition of the beads surface and the state of the polymer insulating sheath combining the tension state of the electric wire provided solid evidence on the exposure temperature and time of each aluminum wire. Consequently, the fire source was identified. Therefore, the characterization on the macro-/micro-structure and chemical composition of metallic surface with scientific technique is greatly helpful in determining heating process of metallic parts and subsequently the cause of fire. (c) 2018 Published by Elsevier B.V.; Three aluminum wires with different melted mark, which were found inside a burned distribution board from the electrical fire debris in rural areas of Northeast China were characterized to determine the cause of fire. By visual and microstructure/metallographic analysis, one melted bead shows typical morphology (microstructure/characteristics) as a result of overheating or electric short circuit (ESC) arc beads which was identified as the most possible ignition source. The macro-/micro-structure of the metallic wire, the chemical composition of the beads surface and the state of the polymer insulating sheath combining the tension state of the electric wire provided solid evidence on the exposure temperature and time of each aluminum wire. Consequently, the fire source was identified. Therefore, the characterization on the macro-/micro-structure and chemical composition of metallic surface with scientific technique is greatly helpful in determining heating process of metallic parts and subsequently the cause of fire. (c) 2018 Published by Elsevier B.V.
description.department[xie, dongbai ; lv, shilei ; deng, shi] xinjiang police coll, urumqi 830013, peoples r china ; [wang, wen] chinese acad sci, inst met res, shenyang 110016, peoples r china ; [xie, dongbai] criminal invest police univ china, shenyang 110854, liaoning, peoples r china
KeywordMolten Marks Oxidation
Subject AreaMedicine, Legal
Funding OrganizationMinistry of Public Security [2017GABJC11]; key program of scientific research in higher education of Xinjiang Uygur Autonomous Region [XJE-DU2014I050]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79405
Collection中国科学院金属研究所
Corresponding AuthorXie, DB; Wang, W (reprint author), Xinjiang Police Coll, Urumqi 830013, Peoples R China.
Recommended Citation
GB/T 7714
Xie, DB,Wang, W,Lv, SL,et al. Visual and oxide analysis for identification of electrical fire scene[J]. FORENSIC SCIENCE INTERNATIONAL,2018,285:E21-E24.
APA Xie, DB,Wang, W,Lv, SL,Deng, S,&Wang, W .(2018).Visual and oxide analysis for identification of electrical fire scene.FORENSIC SCIENCE INTERNATIONAL,285,E21-E24.
MLA Xie, DB,et al."Visual and oxide analysis for identification of electrical fire scene".FORENSIC SCIENCE INTERNATIONAL 285(2018):E21-E24.
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