Mandal, A. ; Maiti, R. ; Chakraborty, M. ; Murty, B. S. (2004) Effect of TiB2 on ageing response of Al-Cu alloy Materials Science and Engineering A, 386 (1-2). pp. 296-300. ISSN 0921-5093
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.msea.2004.07.026
Abstract
Al-4Cu-xTiB2 (x = 2.5, 5, 7.5 and 10 wt.%) in situ composites have been successfully prepared by the reaction of mixture of K2TiF6 and KBF4 with molten alloy. A reaction temperature of 800 °C and a reaction time of 60 min were adopted. A continuous increase in the yield strength and ultimate tensile strength without any significant loss in ductility has been observed with increase in the amount of TiB2 in both as-cast and peak-aged conditions. TiB2 particles enhance the aging kinetics and the time to peak aging at the aging temperature of 170 °C comes down from 40 to 6 h when the TiB2 amount is increased from 0 to 10%.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | in situ Composites; Al-TiB2; Age Hardening; Aging Kinetics |
| ID Code: | 73833 |
| Deposited On: | 08 Dec 2011 03:51 |
| Last Modified: | 08 Dec 2011 03:51 |
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