Abstract
Filler materials for MAG welding with microjet cooling for truck frame repairs
Highlights
There is an increasing need for sheet steels with high-impact toughness for automotive applications, in order to reduce the body-in-white (BIW) weight
Mn and Co are treated as carbide formers, which are simultaneously austenite stabilizers
The aim of the investigation presented below was to observe the common effect of nickel and oxygen on some properties of the MAG Weld metal deposits (WMDs), as well as assess the effect of nickel and oxygen on the mechanical properties of deposited metals and welds made in gas shields, involving various typical electrode welding wires used in automotive repairs (Table 1)
Summary
There is an increasing need for sheet steels with high-impact toughness for automotive applications, in order to reduce the body-in-white (BIW) weight. BIW refers to the stage in automobile manufacturing in which a car body’s sheet metal components have been welded together This is the stage before painting and before moving parts (doors, hoods and deck lids as well as fenders), the engine, chassis subassemblies or trims (glass, seats, upholstery, electronics etc.) have been assembled in the frame structure. For this reason, a large part of current sheet steel research is focused on the development of high-strength steels, by combining toughness, which is highly tensile, with good elongation and good impact, and innovative welding technologies [1,2,3,4]. There is an optimum percentage of some elements offering an optimal metallographic structure and properties with the highest impact [4,10]
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