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Fracture Toughness Testing of 6061Al–Graphite Composites Using SENB Specimens
Abstract Aluminum-based metal matrix composites have been increasingly utilized as engineering materials over the last three decades replacing the conventional engineering materials. The effects on the K Ic by addition of reinforcements have been comprehensively studied for aluminum-based metal matrix composites. Hence, engineers have been working on enhancing the fracture toughness (K Ic) of metal matrix composites in recent years. Aim of the present work is to evaluate the fracture toughness (K Ic) of aluminum (6061)–graphite particulate-reinforced composites produced using a stir casting method. 6061Al–graphite particulate composites for 3, 6, 9 and 12 wt% of graphite were produced. Single edge notch bend specimens are used for bending test to investigate the fracture toughness of the composites. Two-dimensional finite element analyses using ANSYS were carried out, and the outcomes are judged against with the experimental data. It has been shown that the predictions are in reasonable agreement with the experimental data. From the results, it is found that the aluminum–graphite MMC has more fracture toughness then aluminum-silicon carbide metal matrix composites for all compositions .
Fracture Toughness Testing of 6061Al–Graphite Composites Using SENB Specimens
Abstract Aluminum-based metal matrix composites have been increasingly utilized as engineering materials over the last three decades replacing the conventional engineering materials. The effects on the K Ic by addition of reinforcements have been comprehensively studied for aluminum-based metal matrix composites. Hence, engineers have been working on enhancing the fracture toughness (K Ic) of metal matrix composites in recent years. Aim of the present work is to evaluate the fracture toughness (K Ic) of aluminum (6061)–graphite particulate-reinforced composites produced using a stir casting method. 6061Al–graphite particulate composites for 3, 6, 9 and 12 wt% of graphite were produced. Single edge notch bend specimens are used for bending test to investigate the fracture toughness of the composites. Two-dimensional finite element analyses using ANSYS were carried out, and the outcomes are judged against with the experimental data. It has been shown that the predictions are in reasonable agreement with the experimental data. From the results, it is found that the aluminum–graphite MMC has more fracture toughness then aluminum-silicon carbide metal matrix composites for all compositions .
Fracture Toughness Testing of 6061Al–Graphite Composites Using SENB Specimens
Doddamani, Saleemsab (author) / Kiran, J. O. (author) / Kaleemulla, Mohamed (author) / Bakkappa, B. (author)
Journal of The Institution of Engineers (India): Series D ; 100 ; 195-201
2019-05-31
7 pages
Article (Journal)
Electronic Resource
English
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