Nature of growth of dual titanium boride layers with nanostructured titanium boride whiskers on the surface of titanium

The nature of growth of hard surface layers consisting of a titanium diboride (TiB 2) layer and a titanium boride (TiB) whisker layer on titanium, and the kinetics have been critically examined. High density of nanostructured TiB whiskers have been found to form in the sub-layer in most conditions....

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Bibliographic Details
Published in:Scripta materialia 2007-08, Vol.57 (3), p.273-276
Main Authors: Tikekar, Nishant M., Ravi Chandran, K.S., Sanders, Anthony
Format: Article
Language:English
Subjects:
Beta
Diffusion
High density
Kinetics
Nanostructure
Surface layer
Titanium
Titanium boride
Titanium borides
Titanium diboride
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Summary:The nature of growth of hard surface layers consisting of a titanium diboride (TiB 2) layer and a titanium boride (TiB) whisker layer on titanium, and the kinetics have been critically examined. High density of nanostructured TiB whiskers have been found to form in the sub-layer in most conditions. A very surprising and unusual result is the kinetics of growth of TiB whiskers at temperatures within a few degrees of the beta transus – the whiskers grew denser and to depths larger than that at any other temperature investigated.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2007.03.050