【摘 要】
：
The effects of microstructure change on the corrosion behaviours of Ni55Nb20Ti10Zr8Co7 bulk glass-forming alloy were investigated in 1 mol/L HCl and 0.5 mol/L H
【基金项目】
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the Program for New Century Excellent Talents in Chinese Universities;国家自然科学基金;the National Basic Research Priorities Program of China
论文部分内容阅读
The effects of microstructure change on the corrosion behaviours of Ni55Nb20Ti10Zr8Co7 bulk glass-forming alloy were investigated in 1 mol/L HCl and 0.5 mol/L H2SO4 solutions.Different microstructures of the Ni-based alloy were achieved by annealing the bulk glassy rod prepared by copper mould casting.The microstructure,grain size,grain distribution,and phase composition were characterized.Electrochemical behaviours of the Ni-based alloy were revealed by static immersion and anodic potentiodynamic polarization tests.It is indicated that the corrosion behaviours of the Ni-based bulk glass-forming alloy are related to its microstructures,while the fully crystallized alloy exhibits a relatively lower corrosion resistance than those of the amorphous states.
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