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- Title
Effect of adding materials on fume formation rate of lime titania type flux cored wire.
- Authors
Li, X. B.; Jiang, J. M.; Wang, Z. H.; Wu, Y. L.; He, D. Y.; Xu, D. L.; Yang, J. P.
- Abstract
The effects of welding fume on welders' health and the environment are of great interest to occupational hygienists and welding consumable manufactures. Since the welding fume sources from the welding consumables and the flux core of the wire is added in many kinds of materials, the effect of several kinds of adding materials on the fume formation rate of lime titania type flux cored wire were studied. Research results show that adding materials in the flux core can be classified into three categories: the first kind can enhance the fume formation rate, the second can lower the fume formation rate and the third has no effects. Effects of adding material content on the fume formation rate are as follows: fume formation rate is enhanced by increasing the Na2SiF6 content; ilmenite has no obvious effect on the fume formation rate; if the core of the wire is made of right match of metal powders and appropriate weight proportion of the feldspar, the fume formation rate can be greatly lowered; the fume formation rate decreases in a large scale if the feldspar content increases in an appropriate confine.
- Subjects
WELDING fumes; FLUX (Metallurgy); WASTE gases; WELDERS (Persons); INDUSTRIAL hygiene; WELDING industry; HEALTH; WASTE products &; the environment
- Publication
Science & Technology of Welding & Joining, 2008, Vol 13, Issue 8, p694
- ISSN
1362-1718
- Publication type
Article
- DOI
10.1179/174329307X213729