The Deformation Mechanism and Alloying Behavior of TiAl Intermetallic Compound. (1998)
Pu, Zhongjie, Zhu, Jing, Zou, Dunxu, Cai, Qigong
The main deformation mode in TiAl based alloys was the glide of superdislocation rather than ordinary dislocation in Al-rich Ti-54Al alloy at room temperature and 77K, for Ti-rich TiAl based binary...
Hot Deformation Behaviors of TiAl-3 at%Cr Alloy. (1998)
Pu, Zhongjie, Zou, Dunxu, Zhu, Jing, Cai, Qigong, Zhong, Zhengyong
An investigation of the hot deformation behavior of Ti-46.5 at%Al-3at%Cr alloy from 1173-1473 K with strain rate of 0.001 to 0.1 1/s was conducted; the true stress-strain curve showed a peak stress...
Pu, Zhongjie, Zou, Dunxu, Zhong, Zengyong
Ti-46.5Al-2.5V-1Cr was heat treated in two steps, the first in the gamma + alpha and the second in the gamma + alpha2 phase fields; the effect of heat treatments on the microstructure and mechanical...
The Effect of Microstructures on Mechanical Behaviors of Ti2AlNb Intermetallic Compounds. (1998)
Wang, Liming, Yao, Mei, Zou, Dunxu, Zhu, Dong, Cai, Qigong
Samples of Ti2AlNb were heat treated to obtain a beta-phase microstructure. Mechanical properties were studied in terms of the microstructure. O-phase precipitation is used as an explanation of the...
Anomalous Strain Rate Dependence of the Flow Stress in TiAl Intermetallic Compounds. (1998)
Zhu, Dong, Wang, Liming, Zou, Dunxu, Yao, Mei, Cai, Qigong
An attempt was made to study the occurrence of the decrease in flow stress in polycrystalline TiAl. The factors influencing plastic deformation are also discussed.
A Study on Long-Term Stability of Ti3Al-Nb-V-Mo Alloy. (1998)
Wang, Bin, Jia, Tiancong, Zou, Dunxu, Ma, Huiping, Zhong, Zengyong
Thermomechanically processed Ti-24Al-14Nb-3V-0.5Mo (atomic percentage) alloy was studied; it has been shown that, during long-term exposure below 750 deg.C, the microstructure and the property of the...
Improving the Ductility of Gamma(TiAl) Based Alloy by Introducing Disordered Beta Phase. (1998)
Shi, Jian-Dong, Pu, Zhongjie, Zhong, Zengyong, Zou, Dunxu
An investigation was conducted on improving the ductility of a TiAl (gamma) alloy by adding 7-32 at% V and heat treating the material. Quenching from the beta + gamma phase field produced a...
Microstructure and Tensile Properties of a Ti3Al-Nb-Mo-V Alloy. (1998)
Jia, Tiancong, Wang, Bin, Zou, Dunxu, Ma, Huiping, Zhong, Zengyong
The effect of thermomechanical processing (TMP) on the microstructure and tensile properties of a Ti3Al-Nb-Mo-V alloy has been studied. The results show that the alloy had good comprehensive...
Zhu, Dong, Wang, Liming, Yao, Mei, Zou, Dunxu, Cai, Qigong
Plastic deformations of TiAl and TiAl-V intermetallic compounds have been studied by compression experiment at various temperatures and strains rates. The results showed that plastic deformation was...
Microstructure and Mechanical Properties of TiAl-Based Alloy. (1998)
Pu, Zhongjie, Shi, Jiandong, Zou, Dunxu, Zhong, Zengyong
An investigation of the microstructure and mechanical properties of Ti-46.5Al-2.5V-1Cr (at %) was conducted. Different microstructures were obtained by heat treatments. Results show that the...