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The possibility of the TLP bonding between UNS S32750 and AISI 304

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.

Journal Papers

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