Gogia, A. K. ; Nandy, T. K. ; Banerje, D. ; Carisey, T. ; Strudel, J. L. ; Franchet, J. M. (1998) Microstructure and mec-hanical properties of orthorhombic alloys in the Ti-Al-Nb system Intermetallics, 6 (7-8). pp. 741-748. ISSN 0966-9795
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0966-9795(98)00044-2
Abstract
The current understanding of the metallurgy of the orthorhombic alloys in the Ti-Al-Nb system is reviewed with emphasis on tensile and creep properties of ternary alloys. It is shown that increasing the Nb content of alloys from 15 to 27 at% at a constant Al level significantly increases both the tensile and creep properties of equiaxed as well as lath structures, while small changes in Al content have a large effect on creep. For a given alloy composition, the amount of B2(β) phase and its distribution and the scale of O laths influences tensile properties, while creep properties depend on the volume fraction of equiaxed α2/O phase present in the structure as well as the size of O laths.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | A. Titanium Aluminides; Based on Ti3Al; B. Mechanical Properties at Ambient and High Temperatures; Creep; Order/Disorder Transformations; D. Microstructure |
| ID Code: | 62965 |
| Deposited On: | 24 Sep 2011 15:14 |
| Last Modified: | 24 Sep 2011 15:14 |
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