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Welding Fume and Others from Welding Processes  

Yoon, Chung-Sik
Publication Information
Journal of Environmental Health Sciences / v.30, no.4, 2004 , pp. 320-328 More about this Journal
Abstract
A number of health hazards are generated in welding processes. In this paper, the characteristics of fumes and some other hazardous agents in welding are reviewed. Fumes in welding are generated by complex mechanism like physical ejection of particles, oxidation-enhanced vaporization, vaporization-condensation-oxidation, and spatter contribution. Fume generation rates could be described as a power function in a given process. Most of fume constituents was originated from consumables rather than base metal. The mass distribution for the welding fumes is unimodal and very small to penetrate respiratory system. So, almost fractions of fumes are classified into the respirable particulate mass. Total chromium contents in FCAW were similar to those from SMAW whereas hexavalent chromium concentrations in fume were similar to those produced from MIG welding fume. Hexavalent chromium was mostly soluble which was similar to the characteristic solubility of fume hexavalent chromium from SMAW.
Keywords
welding fume; chromium; particle size; health hazard; fume generation;
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Times Cited By KSCI : 1  (Citation Analysis)
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