Multi-Scale Approach to Investigate the Tensile and Fracture Behavior of Nano Composite Materials
AIR FORCE RESEARCH LAB EDWARDS AFB CA
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The objectives of the proposed research are to 1 obtain a fundamental understanding of the effects of nano size aluminum particles on the constitutive and crack growth behavior of particulate composite materials, 2 investigate the effects of aluminum particle size on deformation mechanism, damage process, hysteresis, and fracture strength under a constant strain rate condition, 3 determine the role of interphase in damage initiation and evolution processes, 4 determine the deformation and failure mechanisms on meso and macro scales, 5 develop a micro structure and statistics based technology to evaluate the inherent material quality ,and 6 provide guidance for developing high strength nano solid propellants.
- Laminates and Composite Materials