Investigation of the mechanical properties of cold roll welded Brass and IF steelproduced by cold roll bonding process
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Abstract:
Cold roll bonding (CRB) is a solid state welding process, where the bonding is established by compressive plastic deformation of the metals. This process is applicable for a large number of materials. In addition, materials that cannot be bonded by traditional fusion-based processesmight be bonded by CRB process. In this research, cold roll welding of brass and IF steel was studied .The effects of process parameters such as reduction of thickness, pre-rolling annealingconditions and surface roughness on the mechanical propertiesof welded strips were investigated. The peeling and shear punch testswere used to investigate the mechanical properties of welded samples .It was observed that the bond andshear strengthswere enhanced by increasing the reduction and surface roughness. Also, annealing treatment before the CRB process increased the bond strength anddecreasedthe shear strength. Finally, optical and scanning electron microscopes were used to evaluate the fracture surfaces of the tensile and peelingtest specimens.
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Journal title
volume 3 issue 2
pages 68- 78
publication date 2018-01
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