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|Title:||Microstructure and mechanical properties of an Al/SiCp composite cold die forged gear|
Metal matrix composite
|Citation:||He, W.,Zhang, Y.F.,Lee, K.S.,Lu, L.,Xie, S.S.,Jin, Q.J. (1996). Microstructure and mechanical properties of an Al/SiCp composite cold die forged gear. Materials and Design 17 (2) : 97-102. ScholarBank@NUS Repository.|
|Abstract:||Cold die-forgings of Al-based metal matrix composites reinforced with 10% and 15% by vol of SiC participates have been successfully produced under a high hydrostatic pressure. Due to the influence of the high hydrostatic pressure, the brittle composites have shown a large plastic deformation in a die at an ambient temperature. A gear shaped component with a complex geometry has been produced. Microstructural study has revealed a reduction in the grain size, a decrease in defects, and the fracturing of the secondary phase and SiC particulates. Because of a cold plastic deformation, a large crystal distortion occurred resulting in the increase in the dislocation density that enhanced mechanical properties. The minimum isostatic pressure to prevent fracturing during cold die-forging was found to be 650 MPa. Copyright © 1996 Elsevier Science Ltd.|
|Source Title:||Materials and Design|
|Appears in Collections:||Staff Publications|
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