A combined microstructure strengthening analysis of SiCp/Al metal matrix composites |
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| Affiliation: | 1. Department of Nuclear Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia;2. Center for Training & Radiation Prevention, King Abdulaziz University, Jeddah 21589, Saudi Arabia;3. School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, People''s Republic of China;4. Mechanical Engineering Department, Faculty of Engineering, King Abdulaziz University, Jeddah 80204, Saudi Arabia;5. Department of Mechanical Design and Production Engineering, Faculty of Engineering, Zagazig University, Zagazig 44519, Egypt;6. Mechanical Department, Higher Technological Institute, Tenth of Ramadan City, Egypt;7. Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, 117575, Singapore;1. Department of Mechanical Engineering, SriVenkateswaraa College of Technology, Sriperumbudur, Chennai 602105, India;2. Department of Mathematics, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Chennai 600119, Tamil Nadu, India;3. Department of Mechanical Engineering, Sri Sairam Engineering College, Chennai 600044, Tamil Nadu, India;4. Department of Chemistry, Rajalakshmi Institute of Technology, Chennai 602104, India;5. Department of Chemistry, Sri Sairam Engineering College, Chennai 600044, Tamil Nadu, India;1. School of Engineering, Deakin University, Locked Bag 20000, Geelong VIC 3220 Australia;2. Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, M5S 3G9 Canada;1. State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China;2. Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, China |
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| Abstract: | A combined microstructure strengthening analysis was made to predict the yield strength of SiCp/Al metal matrix composites. The modified shear lag theory can be used to predict the yield strength of particlereinforced high strength aluminium composites, but the yield strength is underestimated for composites prepared from pure and cast aluminium matrices because the change of matrix microstructure after particle incorporation is not considered. The increased yield strength due to the change of matrix microstructure represents a large increment of the total increased yield strength of SiC particle-reinforced low strength aluminium composites. Several microstructure strengthening mechanisms are examined to evaluate their effects on the matrix yield strength. The result of the combined microstructure strengthening analysis is consistent with experimental results. |
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