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http://dx.doi.org/10.5781/JWJ.2016.34.6.1

The Latest Technology Development Trends of Flux Cored Wire  

Im, Hee-Dae (Welding Research Institute, ESAB SeAH Corp.)
Choi, Chang-Hyun (Welding Research Institute, ESAB SeAH Corp.)
Jung, Jae-Heon (Welding Research Institute, ESAB SeAH Corp.)
Kil, Woong (Welding Research Institute, ESAB SeAH Corp.)
Publication Information
Journal of Welding and Joining / v.34, no.6, 2016 , pp. 1-10 More about this Journal
Abstract
Flux Cored Wire is the most widely used welding material for Flux Cored Arc Welding these days. This paper introduces the technical aspects of manufacturing FCW and the development trend of FCW for each type of steel and metal. The studies are ongoing to lower the production cost of seamless-type FCW since it has not been generally used in welding shops so far because of it high cost even though the seamless-type FCW has various advantages than folded-type FCW in terms of manufacturing technology. Meanwhile, a technical research has been carried out to develop a rutile type of FCW products which satisfies high toughness after post heat treatment. In addition, for high-speed fillet welding, there has been a development of welding materials which can be welded in Single Auto-Carriage 100 cpm or more and up to Twin Tandem 200 cpm without occurring any welding defect in order to improve the welding productivity. As Zn coated steel is being used recently to improve the corrosion resistance of the automotive parts, a research and development for Metal Cored Wire has been conducted to reduce the Si island produced in welding operation than those produced when using the former solid wires. A development of welding material that guarantees CTOD performance beyond $-40^{\circ}C$ CTOD to $-60^{\circ}C$ is underway by different steel grades, and FCW for super austenitic stainless steel is being developed as the corrosion resistant steel has been upgraded.
Keywords
Flux cored wire, FCW; Flux cored arc welding, FCAW; Seamless FCW; Metal cored wire, MCW; Self-Shielded FCW; Stainless Steel FCW;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
연도 인용수 순위
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