Which of the following is not a strengthening method for crystalline metals? A. Hot-working B. Cold-working....
Which of the following is not a strengthening method for crystalline metals? A. Hot-working B. Cold-working. C. Grain refinement D. Interstitial alloy addition E. None of the above. These are all strengthening methods. A unidirecional composite of 35% by volume Eglans for in apocytsee Table 1)is subjected to a stress of 200 MPa parsial to the fore dinction. The strain in the comples Table 1 pdf 71 kn A 0070 0.000 C 728 OD. 0007 O E 0.004 Table 1 Properties of selected materials Low Aluminum carbon Copper Alloy Polyester Epoxy steel Property Units E-glass fiber HM Carbon fiber kg/m 7870 2710 8950 1100 1500 2400 1750 Density Young's Modulus GPa 200 70 120 0.30 2.0 75 531 Shear Modulus GPa 80 28 42 Bulk Modulus GPa 165 76 140 Poisson's ratio 0.3 0.33 0.34 Yield Strength Elastic Limit MPa 225 185 150 Tensile Strength MPa 450 420 380 Coefficient of thermal expansion 12x10 23x10 20x10 Fracture Toughness MPa 60 28 55