WANG JINGUO, CHEN GUOLIANG, and YE HENGQIANG, ORDERING TRANSFORMATION OF γ TO γ1 IN TiAl+Nb SYSTEM, J. Univ. Sci. Technol. Beijing, 2(1995), No. 1, pp. 1-6.
Cite this article as:
WANG JINGUO, CHEN GUOLIANG, and YE HENGQIANG, ORDERING TRANSFORMATION OF γ TO γ1 IN TiAl+Nb SYSTEM, J. Univ. Sci. Technol. Beijing, 2(1995), No. 1, pp. 1-6.
WANG JINGUO, CHEN GUOLIANG, and YE HENGQIANG, ORDERING TRANSFORMATION OF γ TO γ1 IN TiAl+Nb SYSTEM, J. Univ. Sci. Technol. Beijing, 2(1995), No. 1, pp. 1-6.
Citation:
WANG JINGUO, CHEN GUOLIANG, and YE HENGQIANG, ORDERING TRANSFORMATION OF γ TO γ1 IN TiAl+Nb SYSTEM, J. Univ. Sci. Technol. Beijing, 2(1995), No. 1, pp. 1-6.
A series of TiAl+Nb alloys with various Nb contents has been employed to explore phase relationship and the evolution of microstructure.A new ordered γ derivative (γ1) has been observed in the alloy containing 20 at% Nb.The additional diffraction spots added to the diffraction pattern of L10 (TiAl) structure have been found in the alloy containing Nb up to 11 at% in terms of further ordering.The transformation from L10 (TiAl) structure to the further ordering phase,γ1,is a continuous ordering process with the substitution of Nb atoms for Ti atoms in alloys with over-stoichiometric Al content of TiAl.The possible transformtion characterzation has been discussed.
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