Effect of pressure and bonding time on the bond strength in dissimilar diffusion welding of Inconel 600 to stainless steel 304
Publish place: 10th joint meeting of the 5th International Conference on Materials and Metallurgical Engineering Society and Iranian Foundry Society
Publish Year: 1395
Type: Conference paper
Language: English
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Document National Code:
IMES10_410
Index date: 26 April 2017
Effect of pressure and bonding time on the bond strength in dissimilar diffusion welding of Inconel 600 to stainless steel 304 abstract
Dissimilar diffusion welding (DW) of superalloy Inconel 600 to austenitic stainless steel 304 was investigated in argon atmosphere with purity of 99.999% at 1050 ◦C for 15 and 30 minutes under three different uniaxial pressures 5, 7.5 and 10 MPa. Microstructure of the interface and fractography was evaluated by optical and scanning electron microscopy, X-ray diffractometry and energy dispersive spectroscopy (EDS). Mechanical properties of the weld was assessed with shear test. The results declared that intermetallic compounds such as FeNi, FeCr or Ni2.9Cr0.7Fe0.38 are formed across the bond. As applying pressure increased, the shear strength improved. The best shear strength, 124 MPa, was achieved at 1050 ◦C for 30 min under 10 MPa pressure. Mode of fracture was almost ductile at this condition
Effect of pressure and bonding time on the bond strength in dissimilar diffusion welding of Inconel 600 to stainless steel 304 Keywords:
Effect of pressure and bonding time on the bond strength in dissimilar diffusion welding of Inconel 600 to stainless steel 304 authors
n Sohrabi
Graduate student at school of metallurgy and materials science
s.f Kashani Bozorg
Associate professor at school of metallurgy and materials science, College of Engineering, University of Tehran, Tehran, Iran