4
Elastic Constants
CHAPTER OBJECTIVES
A separate chapter is devoted only to elastic constants. In many books, the topic of elastic constants is discussed with principal stresses and strains. Even after studying for four years, students fumble for answers when they are asked for the nominal values of elastic constants of various materials. For the determination of deformation in a body, as changes in length, breadth, volume and shape, the knowledge of correct values of elastic constants is essential. In this chapter, we will learn about:
Determination of Young’s modulus and Poisson’s ratio of a material.
Determination of modulus of rigidity of a material.
Relationship among Young’s modulus, modulus of rigidity and Poisson’s ratio.
Relationship ...
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