Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7913342 | Scripta Materialia | 2015 | 4 Pages |
Abstract
 The tensile creep behavior and microstructural stability of a Co-Al-W-Ta-Ti single-crystal alloy were investigated at 1000 °C. Long-term aging at 1000 °C for 1000 h revealed stable γ-γⲠstructure with 75% γⲠvolume fraction. The measured positive lattice misfit resulted in directional coarsening parallel to the applied stress during creep. The γ-γⲠinterfacial dislocation networks and shearing of γⲠprecipitates with stacking faults and antiphase boundaries appeared to contribute to the creep resistance with 1.0% creep stain.
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Authors
F. Xue, H.J. Zhou, Q.Y. Shi, X.H. Chen, H. Chang, M.L. Wang, Q. Feng,