The effect of trace element vanadium on the superplasticity of 5083 aluminium alloy sheets was studied by high temperature tensile optical microscopy. The results showed that trace element vanadium added into 5083 all...The effect of trace element vanadium on the superplasticity of 5083 aluminium alloy sheets was studied by high temperature tensile optical microscopy. The results showed that trace element vanadium added into 5083 alloy could refine the fibrous structure of the rolling sheet, restrain the grain growth during recrystallizafion, and improve the superplasficity of 5083 alu-minium alloy. The size of recrystallized grains of the sheets was reduced from 100 to 20 um, and the elongation percentage of 5083 aluminium alloy sheets in 510℃ was improved from 208% to 254% after the trace element vanadium was added into the conventional 5083 aluminium alloy.展开更多
基金supported by the National Natural Science Foundation of China (Grant No. 51071042)the National Basic Research Program of China ("973" Project) (Grant No. 2005CB623707)+2 种基金the Fundamental Research Funds for the Central Universities (Grant Nos. N090109001,N100309002)the Liaoning Province Doctoral Startup Fund (Grant No. 20101036)the China Postdoctoral Science Foundation (Grant No. 20100481193)
文摘The effect of trace element vanadium on the superplasticity of 5083 aluminium alloy sheets was studied by high temperature tensile optical microscopy. The results showed that trace element vanadium added into 5083 alloy could refine the fibrous structure of the rolling sheet, restrain the grain growth during recrystallizafion, and improve the superplasficity of 5083 alu-minium alloy. The size of recrystallized grains of the sheets was reduced from 100 to 20 um, and the elongation percentage of 5083 aluminium alloy sheets in 510℃ was improved from 208% to 254% after the trace element vanadium was added into the conventional 5083 aluminium alloy.