Transcription of Fracture Thermal - MIT
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Young's Shear Breaking Fracture Thermal Cost Density Modulus Modulus Poisson's Yield Stress UTS strain Toughness Expansion MATERIAL Type ($/kg) ( ,Mg/m3) (E , GPa) (G , GPa) Ratio ( ) ( Y , MPa) ( f ,MPa) ( f , %) (K c ,MN m-3/2) ( ,10-6/C). Alumina (Al 2O3) ceramic 390 125 4800 35 Aluminum alloy (7075-T6) metal 70 28 500 570 12 28 33. Beryllium alloy metal 245 110 360 500 14. Bone (compact) natural 14 100 100 20. Brass (70Cu30Zn, annealed) metal 130 39 75 325 80 20. Cermets (Co/WC) composite 470 200 650 1200 13 CFRP Laminate (graphite) composite 53 200 550 38 12. Concrete ceramic 48 20 25 11. Copper alloys metal 135 50 510 720 94 18. Cork natural 80 180. Epoxy thermoset polymer 45 45 60.
Polycarbonate polymer 4.90 1.2 2.7 0.97 0.42 70 77 60 2.6 70 Polyester thermoset polymer 3.00 1.3 3.5 1.4 0.25 50 0.7 2.0 0.70 150 Polyethylene (HDPE) polymer 1.00 0.95 0.7 0.31 0.42 25 33 90 3.5 225 Polypropylene polymer 1.10 0.89 0.9 0.42 0.42 35 45 90 3.0 85
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