Journal article
Al-C nanocomposites consolidated by back pressure equal channel angular pressing
S Goussous, W Xu, X Wu, K Xia
Composites Science and Technology | ELSEVIER SCI LTD | Published : 2009
Abstract
Carbon nanoparticles in the form of carbon black were mixed with pure Al particles and consolidated using severe plastic deformation to produce Al-C nanocomposites. The Al particles were mixed with 2 and 5 wt.% C particles, respectively, by mechanical milling. The mixed powders were consolidated at 400 °C by equal channel angular pressing with the application of a back pressure into fully dense bulk composite materials. The nanoscaled C particles were well dispersed in the Al matrix, resulting in significantly higher strength as well as good plasticity in the nanocomposites. © 2009 Elsevier Ltd. All rights reserved.
Grants
Funding Acknowledgements
This project was supported by the Australian Research Council with the ARC Centre of Excellence for Design in Light Metals. The pure Al powder was supplied by ECKA Granules Australia and the CB powder was provided by CSIRO Materials Science and Engineering Division. We are grateful to Dr. C. Wen and Dr. Y. Li at Deakin University for conducting the compressive tests.