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Advanced Strength and Applied Elasticity, Fourth Edition by Saul K. Fenster - New Jersey Institute of Technology, Ansel C. Ugural - New Jersey Institute of Technology

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Chapter 2 Strain and Stress–Strain Relations

2.1 Introduction

In Chapter 1, our concern was with the stresses within a body subject to a system of external forces. We now turn to the deformations caused by these forces and to a measure of deformational intensity called strain, discussed in Secs. 2.3 through 2.5. Deformations and strains, which are necessary to an analysis of stress, are also important quantities in themselves, for they relate to changes in the size and shape of a body.

The mechanical properties of engineering materials, as determined from tension test, are considered in Secs. 2.6 and 2.7. Following this, there is a discussion of the relationship between strain and stress under uniaxial, shear, and multiaxial loading conditions. ...

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