Volume 3, Issue 2 (Journal OF Welding Science and Technology of Iran 2018)
JWSTI 2018, 3(2): 1-8 |
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Abdolvand R, Atapour M, Shamanian M, Allafchian A. The possibility of the TLP bonding between UNS S32750 and AISI 304. JWSTI 2018; 3 (2) :1-8
URL: http://jwsti.iut.ac.ir/article-1-156-en.html
URL: http://jwsti.iut.ac.ir/article-1-156-en.html
1- Department of Material Engineering, Isfahan University of Technology, Isfahan, Iran
2- Nanotechnology and Advanced Materials Institute, Isfahan University of Technology, Isfahan, Iran
2- Nanotechnology and Advanced Materials Institute, Isfahan University of Technology, Isfahan, Iran
Abstract: (9010 Views)
Transient liquid phase bonding of UNS S32750 super duplex stainless steel to AISI 304 austenitic stainless steel using BNi-2 interlayer was carried out at 1050 oC for 45 min. Microstructure analyses of the joint were carried out using optical microscopy, scanning electron microscopy and energy-dispersive X-ray spectroscopy. Microhardness indentation and shear strength test were performed to assess mechanical behavior of the joint. No eutectic contents was seen at the joint and thus Isothermal solidification was completed at 45 min bonding time. The shear strength of the joint was about 0.7 of duplex stainless steel shear strength. Froctographic studies revealed that the fracture mode was completely ductile in the case of the joint made at bonding time of 45 min.
Keywords: Transient liquid phase, Duplex stainless steel, Austenitic stainless steel, Dissimilar joint.
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