The Discussion of Iron Wire Fire Hazard

Lian Tie Wang; Da Wei Xia; Ao Gao; Qing Shan Meng

doi:10.4028/www.scientific.net/AMR.535-537.1847

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 535-537The Discussion of Iron Wire Fire Hazard

The Discussion of Iron Wire Fire Hazard

Abstract:

The safe current carrying capacity of iron wire is far less than copper wires. In the simulation experiments, use iron wire replace copper wire and use welding machine as electric equipment, even the flaming. Normal operating electric homework, the whole iron wire overheat and cause carbonization of insulation layer and even set on fire because of line’s overload, and lead to short circuit between wire. Extract fire material evidence, observe and analysis. Summed up the microstructure characteristics of the sample. Apparent characteristics of short circuit melting mark organization is:wire matrix is widmanstatten structure and ferrite, the transition region is mainly widmanstatten structure; overload melted mark organization is mainly cast structure, there was more casting .