Investigation of Mechanical Properties of MIG-Brazed TRIP 800 Steel Joints Using Different Working Angles
F. Varola, M. Ekicib, E. Ferika, U. Ozsaraca, S. Aslanlara
aDepartment of Metallurgical and Materials Engineering, Sakarya University, 54187 Sakarya, Turkey
bVocational School of Yalova, Yalova University, Yalova, Turkey
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In this study, TRIP 800 (Transformation Induced Plasticity) steel plates, 1.5 mm in thickness, were joined with copper-based (CuAl8) wire by the gas metal arc brazing technique. Specimens were prepared in butt joint form. Five different working angles 50°, 60°, 70°, 80° and 90° were selected for brazing operations. A copper based CuAl8 wire was used as the filler metal. After the metal inert gas brazing process, butt joined specimens were exposed to tensile test in order to characterize the mechanical properties. The microstructure of the joints was investigated by scanning electron microscope (SEM) and optical microscope to see the joinability of TRIP 800 steel by gas metal arc brazing technique.

DOI: 10.12693/APhysPolA.127.965
PACS numbers: 81.20.Vj, 81.70.Bt, 81.05.Bx