Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1611240 | Journal of Alloys and Compounds | 2014 | 6 Pages |
Abstract
This work reports on effect of zirconium addition on the phase transformations in as-cast and heat-treated Ti-6.7Zr-22.2Si-11.1B, Ti-7Zr-15Si-7.5B, Ti-7Zr-10Si-5B, Ti-7Zr-7.5Si-15B and Ti-7Zr-30Si-5B alloys (at.%). After arc melting, these Ti-Zr-Si-B alloys were heat-treated at 1200 °C for 90 h. Samples of as-cast and heat-treated Ti-Zr-Si-B alloys were evaluated by X-ray diffraction, scanning electron microscopy, energy dispersive spectrometry, and wavelength X-ray dispersive spectrometry. Nanosized eutectic structure constituents were observed in microstructures of as-cast Ti-Zr-Si-B alloys. TiSS (ss-solid solution), Ti6Si2B, TiB and Ti5Si3 dissolved up to 5.3, 14.2, 1.5 and 11.6 at.% Zr, respectively, which is in agreement with the shift of their peaks toward smaller diffraction angles.
Related Topics
Physical Sciences and Engineering
Materials Science
Metals and Alloys
Authors
Alfeu Saraiva Ramos, Carlos Angelo Nunes, Geovani Rodrigues, Erika Coaglia Trindade Ramos,