This article is unavailable. N. S. Barekar, S. Tzamtzis, N. Hari Babu, Z. Fan, B. K. Dhindaw. Processing of ultra fine size particulate metal matrix composites by advanced shear technology: accepted by Metallurgical & Materials Transactions A. If you wish to obtain a copy please contact the author below: Zhongyun.Fan@brunel.ac.uk