Isothermal compression of a Ti-5.6Al-4.8Sn-2.0Zr alloy was conducted on a Thermecmaster-Z simulator at the deformation temperatures ranging from 960 to 1060℃,the strain rates ranging from 0.001 to 10.0 s^-1,and the m...Isothermal compression of a Ti-5.6Al-4.8Sn-2.0Zr alloy was conducted on a Thermecmaster-Z simulator at the deformation temperatures ranging from 960 to 1060℃,the strain rates ranging from 0.001 to 10.0 s^-1,and the maximum height reduction of 70.0%.In the two-phase region of the Ti-5.6Al-4.8Sn-2.0Zr alloy,the volume fraction ofαphase decreases with an increase in deformation temperature,but the grain size has a slight variation with deformation temperature.The strain rate affects both morphologies and grain size of theαphase in the isothermal compression of the Ti-5.6Al-4.8Sn-2.0Zr alloy.The optimal height reduction also contributes to the small and well-distributedαphase in the isothermal compression of Ti-5.6Al-4.8Sn-2.0Zr alloy.展开更多
基金supported by the National Natural Science Foundation of China(No.50975234)the State Key of Laboratory of Solidification Processing in Northwestern Polytechnical University(No.KP200905)
文摘Isothermal compression of a Ti-5.6Al-4.8Sn-2.0Zr alloy was conducted on a Thermecmaster-Z simulator at the deformation temperatures ranging from 960 to 1060℃,the strain rates ranging from 0.001 to 10.0 s^-1,and the maximum height reduction of 70.0%.In the two-phase region of the Ti-5.6Al-4.8Sn-2.0Zr alloy,the volume fraction ofαphase decreases with an increase in deformation temperature,but the grain size has a slight variation with deformation temperature.The strain rate affects both morphologies and grain size of theαphase in the isothermal compression of the Ti-5.6Al-4.8Sn-2.0Zr alloy.The optimal height reduction also contributes to the small and well-distributedαphase in the isothermal compression of Ti-5.6Al-4.8Sn-2.0Zr alloy.