DAMAGE EVOLUTION IN AA2099 AND AA6061 ALUMINUM ALLOYS UNDER QUASI-STATIC AND DYNAMIC MECHANICAL LOADING A Thesis Submitted to the College of Graduate Studies and Research In Partial Fulfillment of the Requirements For the Degree of Master of Science In the Department of Mechanical Engineering University of Saskatchewan Saskatoon By ADEROPO OMORINU ADESOLA Copyright Aderopo Omorinu Adesola, September, 2011. All rights reserved.