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Effects of Al3Ti Addition on the Sintering of TiB2

Published online by Cambridge University Press:  28 March 2011

Masashi Yoshida
Masashi Yoshida*
Affiliation:
Department of Mechanical Engineering, Ube National College of Technology 2-14-1 Tokiwadai, Ube, Yamaguchi 755-8555, Japan
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Abstract

Titanium diboride (TiB2) has been sintered using spark plasma sintering (SPS). With the addition of Al3Ti, the Vickers hardness, Hv, of TiB2 increases up to as high as 2100 by the sintering at 1273K, while that of the sample sintered without Al3Ti is as low as 20. Such a remarkable improvement is caused by the formation of rigid direct contacts between TiB2 grains in addition to the effect that Al3Ti fills in the space between TiB2 grains and acts as a binder.

Keywords

compositesinteringhardness
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1307: Symposium CC – Boron and Boron Compounds—From Fundamentals to Applications , 2011 , mrsf10-1307-cc05-05
Copyright
Copyright © Materials Research Society 2011

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References

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