In the present work, different corrosion resistant materials (AL-6XN superaustenitic stainless steel, ZERON 100 superduplex stainless steel and Inconel 625 Ni alloy) were joined with ASME SA516-70 carbon steel by explosion welding to form bimetal composite plates. The microstructure of cladded plates was characterized by optical and scanning electron microscopy and the hardness variation across the interface was determined by applying Vickers microhardness. The residual stresses generated by the cladding process were determined by X-ray diffraction. All materials adhered well to the ASME SA516-70 base plate and the cladded interface exhibited the wavy morphology usually associated with strong bond strengths. Hardness increased near the interface due to strain hardening caused by plastic deformation and tensile residual stresses were found to develop on all clad metals.

Volume Subject Area:
Materials Technology
Topics:
Explosions, Metallic composites, Plates (structures), Stress analysis (Engineering), Welding, Residual stresses, Stainless steel, Bond strength, Carbon steel, Cladding systems (Building), Composite materials, Corrosion resistant materials, Deformation, Metals, Microhardness, Nickel alloys, Scanning electron microscopy, Work hardening, X-ray diffraction
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