1012 Metals Polymers Ceramics Stiffness2 Carbides Alumina Steels Cast iron 10" Brass,bronze Aluminum Zinc alloys Magnesium alloys Babbitts Graphite .Stiffness can be viewed as the ability to resist 100 deformation. 品 Phenol formal- dehyde Acetal Nylon .The commonly related 109 Polyethylene material measure is Modulus sninpow of Elasticity. 108 107 Natural rubber 106 Figure 3.12 Modulus of elasticity for various metals,polymers,and ceramics at room temperature(20'C;68'F).[From ESDU Data Item No. 84041(1984.月ME 350 8 Stiffness2 •Stiffness can be viewed as the ability to resist deformation. •The commonly related material measure is Modulus of Elasticity