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Volume 8 Issue 4
Dec.  2001
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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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Materials

Mechanism of High Temperature Deformation in Cast Ti46Al8.5Nb0.2W Alloy

  • 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.
  • Materials

    Mechanism of High Temperature Deformation in Cast Ti46Al8.5Nb0.2W Alloy

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