Investigating the oxidation behavior of carbon steel in fire scene: a new method for fire investigations

doi:10.2306/scienceasia1513-1874.2020.005

IMR OpenIR

	Investigating the oxidation behavior of carbon steel in fire scene: a new method for fire investigations
	Hong, Hao 1; Xie, Dongbai 2; Duo, Shuwang 1; Wang, Wen 3
通讯作者	Duo, Shuwang(swduo@imr.ac.cn)
	2020-02-01
发表期刊	SCIENCEASIA
ISSN	1513-1874
卷号	46 期号:1 页码:59-64
摘要	A major component of fire investigation is tracking the cause of fire, finding of which help to strengthen the physical evidence, especially in case of arson with accelerants. When metallic substances are exposed to fire at high temperature, they undergo oxidation. Accelerants at the fire scene impart some oxidative characteristics on metallic materials. For instance oxides and substrates found on metal surfaces provide valuable information for determining the characteristics of fire, such as exposure temperature, duration and involvement of a liquid accelerant. In this study, we investigated the oxidation behavior of carbon steel at high temperature in a simulated flame environment using ethanol combustion. After oxidation, the morphological and microstructural features of the samples were characterized by observation, scanning probe microscope, X-ray diffractions and scanning electron microscopy with energy-dispersive spectroscopy analysis. The results showed that elemental carbon was deposited on the samples surface, which were ascribed to the incomplete combustion of ethanol. An oxide with a mesh-like pattern appeared on the samples, which was ascribed to the complex oxidation conditions of the fire scene. The properties of the oxides were strongly dependent on the oxidation duration, temperature and atmosphere. These results provide reference information for determining the presence of combustion accelerants at the fire scene.
关键词	fire investigation arson carbon steel ethanol oxidation
资助者	Key Laboratory of Impression Evidence Examination and Identification Technology, Ministry of Public Security, China ; Open-fund Project of Jiangxi Key Laboratory of Materials Surface Engineering
DOI	10.2306/scienceasia1513-1874.2020.005
收录类别	SCI
语种	英语
资助项目	Key Laboratory of Impression Evidence Examination and Identification Technology, Ministry of Public Security, China[2018121705] ; Open-fund Project of Jiangxi Key Laboratory of Materials Surface Engineering[KFGJ19009]
WOS研究方向	Science & Technology - Other Topics
WOS类目	Multidisciplinary Sciences
WOS记录号	WOS:000524910100009
出版者	SCIENCE SOCIETY THAILAND
引用统计	被引频次：3[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/138191
专题	中国科学院金属研究所
通讯作者	Duo, Shuwang
作者单位	1.Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Mat Surface Engn, Nanchang 330013, Jiangxi, Peoples R China 2.Nanchang Hangkong Univ, Sch Mat Sci & Engn, Nanchang 330063, Jiangxi, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Hong, Hao,Xie, Dongbai,Duo, Shuwang,et al. Investigating the oxidation behavior of carbon steel in fire scene: a new method for fire investigations[J]. SCIENCEASIA,2020,46(1):59-64.
APA	Hong, Hao,Xie, Dongbai,Duo, Shuwang,&Wang, Wen.(2020).Investigating the oxidation behavior of carbon steel in fire scene: a new method for fire investigations.SCIENCEASIA,46(1),59-64.
MLA	Hong, Hao,et al."Investigating the oxidation behavior of carbon steel in fire scene: a new method for fire investigations".SCIENCEASIA 46.1(2020):59-64.