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The modulus of elasticity (E ) is a measure of a material’s resistance to deformation: the larger the modulus, the stiffer the material. During fabrication of a ceramic material from a powder form, pores were generated that affect the strength of the material. The magnitude of elasticity is related to volume fraction porosity P by
(a) If a porous sample of silicon nitride has a modulus of elasticity of
(c) Repeat parts (a) and (h) to find the volume fraction porosity of a silicon nitride sample with a modulus of elasticity of 25 GPa.
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Introductory Mathematics for Engineering Applications
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