Zicheng Liu, Junpin Lin, Yanli Wang, Zhi Lin,  and Guoliang Chen, Mechanism of High Temperature Deformation in Cast Ti46Al8.5Nb0.2W Alloy, J. Univ. Sci. Technol. Beijing, 8(2001), No. 4, pp. 290-294.
Cite this article as:
Zicheng Liu, Junpin Lin, Yanli Wang, Zhi Lin,  and Guoliang Chen, Mechanism of High Temperature Deformation in Cast Ti46Al8.5Nb0.2W Alloy, J. Univ. Sci. Technol. Beijing, 8(2001), No. 4, pp. 290-294.
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Mechanism of High Temperature Deformation in Cast Ti46Al8.5Nb0.2W Alloy

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  • Received: 4 January 2001
  • Compression tests A ere conducted in the two phase Ti46Al8.5Nb0.2W alloy with a cast microstructure under the strain rates ranging from 2×10-5 s-1 to 10-2 s-1 at temperatures ranging front 900℃ to 1100℃. It was found that there exist approximately linear relationships between the flow stress and the logarithm of strain rate at different temperatures. The strain rate dependence was analzed by the thermal activation theory and dislocation climbing is regarded as the controlling mechanism during high temperature compression tests.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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