| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 832843 | Materials & Design (1980-2015) | 2009 | 4 Pages |
Abstract
The hot deformation behaviors of as-cast Ti–45Al–8.5Nb–(W,B,Y) alloy were studied. A mathematical model has been developed to predict the stress–strain curves of this high Nb containing TiAl based alloy during hot deformation. This model is based on a phenomenological representation of the shape of stress–strain curves, which can be represented by Zener–Hollomon parameter in a hyperbolic sinusoidal type equation. Material constants in the equation were expressed in polynomial form of strain; parameters in the polynomials were obtained by least-square method. The stress–strain curves obtained by this model are in good agreement with experimental results.
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Authors
Xiaoming He, Zhongqi Yu, Guiming Liu, Wenge Wang, Xinmin Lai,