Sliding wear behaviour of T6 treated A356-TiB2in-situ composites

Mandal, A. ; Murty, B. S. ; Chakraborty, M. (2009) Sliding wear behaviour of T6 treated A356-TiB2in-situ composites Wear, 256 (7-8). pp. 865-872. ISSN 0043-1648

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/j.wear.2008.12.011

Abstract

Dry sliding wear behaviour of A356-TiB2 composites in T6 condition was tested using a pin-on-disc wear testing machine. The composites were prepared by the reaction of a mixture of K2TiF6 and KBF4 salts with molten alloy. The wear tests were conducted at normal loads of 19.6-78.4 N and a sliding speed of 1 ms−1. A detailed SEM study of wear surface and debris was carried out to substantiate the wear results. The results indicate that wear rate of the composites is a strong function of TiB2 content rather than overall hardness of the composite. The role of Si and TiB2 particles towards the overall mechanism has been discussed.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:In-Situ Composites; TiB2; Dry Sliding Wear; Wear Resistance; Wear Debris
ID Code:64054
Deposited On:04 Oct 2011 08:25
Last Modified:04 Oct 2011 08:25

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