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PRACTICAL STRAIN GAGE MEASUREMENTS - OMEGA
www.omega.co.ukpractical strain values are so small. they are often expressed as micro-strain, which is x 106(note this is equivalent to parts per million or ppm) with the symbol . Still SYMBOLS normal stress shear stress strain (normal) micro-strain ( x 10 6) shear strain E modulus of elasticity or Young’s modulus Poisson Ratio GF gage factor Rg gage ...
Standard Test Method for Tensile Properties of Polymer ...
file.yizimg.com3.3.20 e—general symbol for strain, whether normal strain or shear strain. 3.3.21 e—indicated normal strain from strain transducer or extensometer. 3.3.22 s—normal stress. 3.3.23 n—Poisson’s ratio. 4. Summary of Test Method 4.1 Athin flat strip of material having a constant rectangular cross section is mounted in the grips of a ...