LI Liang, SUN Jian-ke, MENG Xiang-jun, LIU Yin-qi, CHEN Wei. Improvement of Superplasticity of Ti80 Alloy through Thermal Cycling Deformation[J]. Development and Application of Materials, 2005, 20(6): 1-3,8. DOI: 10.19515/j.cnki.1003-1545.2005.06.001
Citation: LI Liang, SUN Jian-ke, MENG Xiang-jun, LIU Yin-qi, CHEN Wei. Improvement of Superplasticity of Ti80 Alloy through Thermal Cycling Deformation[J]. Development and Application of Materials, 2005, 20(6): 1-3,8. DOI: 10.19515/j.cnki.1003-1545.2005.06.001
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Improvement of Superplasticity of Ti80 Alloy through Thermal Cycling Deformation

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  • Superplasticity of Ti80 alloy is investigated after thermal cycling deformation at temperature below 930℃.The result shows that the strain rate sensitivity(m) of the alloy is more than 0.3 at trmperature from 800 to 980℃ and the elongation is 350% at the highest temperature of test 930℃ with tensile rate of 0.2mm/min after 5 cycles.The grain is refined firstly and then grow up during deformation.The structure is homogeneous and the grain keeps equiaxed after deformation.Ti80 alloy exhibits superplastic properties.
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