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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
A rod is designed to carry a uniaxial tensile load of 1400 N with a factor of safety of two. The designer has two options for the materials: steel or 66% fiber volume fraction graphite/epoxy. Use the properties of graphite and epoxy from Table 3.1 and Table 3.2. Assume the following properties for steel:
• Young’s modulus of steel = 210 GPa
• Poisson’s ratio of steel = 0.3
• Tensile strength of steel = 450 MPa
• Specific gravity of steel = 7.8
The cost of graphite/epoxy is five times that of steel by weight. List your material of choice if the criterion depends on just
1. Mass
2. Cost


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