• Vicente, André

Abstract

MCAW is a variant of the MIG/MAG welding process. Although there are many common features between the two processes, there are also several fundamental differences, most notably the fact that MCAW operates over a wider range of shielding gases and offers more flexibility with alloy compositions than solid wire for MIG/MAG. Selecting the right shielding gas is critical to producing a quality weld, especially in MCAW. In metal cored arc welding processes, the slag levels are low as compared to solid wire welding processes. The lack of slag makes welding easier, and mechanization allows for higher productivity. The advantages of MCAW outweigh those of MIG, making it the better choice. The results show that MCAW provides better control over the finished product provided the right combination of metals, gas, and mode of transfer is employed.

Topics

• impedance spectroscopy
• wire
• alloy composition