The Impact of Cracked Microparticles on the Mechanical and the Fracture Behavior of Particulate Composite

Authors	Waleed K. Ahmed¹, Wail N. Al-Rifaie²
Affiliations	¹ United Arab Emirates University, Faculty of Engineering, ERU, Al Ain 15551, UAE ² Civil Engineering Department, Philadelphia University, Amman, Jordan
Е-mail	w.ahmed@uaeu.ac.ae, wnrifaie@yahoo.com
Issue	Volume 7, Year 2015, Number 3
Dates	Received 02 May 2015; published online 20 October 2015
Citation	Waleed K. Ahmed, Wail N. Al-Rifaie, J. Nano- Electron. Phys. 7 No 3, 03008 (2015)
DOI
PACS Number(s)	02.70. – c, 46.50. + a, 81.05.Qk, 81.07.b, 83.10.Rs
Keywords	Composite (45) , FEM (6) , Fracture, Mechanical properties (6) , Particles (79) , SIF.
Annotation	In this investigation a metallic composite with a cracked micro has been investigated using finite element method. Particulate reinforced composite is one of the most favorite composite due to it quit isotopic properties. While being in metallic status, the micro particles may be subjected to deterioration which lead to crack embedded initiation within the micro particle. This crack lead to degradation in the mechanical as well as the fracture behavior in the composite. Mechanical characteristics through estimating the stiffness of the composite has been studied for intact and cracked particles as well as for the fractured particles. It has been found that as long as the crack propagates in the micro particle, there is reduction in the composite stiffness and increases in the stress intensity factor (SIF).
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