Abstract
Some lead sheets were fabricated for applying as anodes in electrowinning metal production via accumulative roll bonding (ARB) technique for the first time. Mechanical properties and the microstructure of the developed Pb anodes were evaluated using peeling tests, tensile tests, microhardness tests, shear punch tests as well as electron microscopic observations. Compared to the plain lead sheet, the mechanical properties of ARB processed Pb sheets were improved considerably, after 10 ARB cycles. It was also found that the tensile strength was raised up to 38 %, yield strength up to 103 %, shear strength up to 35 % and hardness up to 103 %, and the strain was decreased by 68 %. These superior properties were accompanied by higher stiffness and significant enhancements in the creep characteristics. Therefore, the resulting properties of the ARB developed Pb anodes guaranteed the reduction of anode failure, additional maintenance and costs in lead anode required industries.
Published Version
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