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Abbreviations
- σ:
-
stress; positive if tensile
- ε:
-
strain; positive if elongation
- ν:
-
Poisson's ratio of filament material
- E :
-
modulus of elasticity of filament material
- φ:
-
transmission efficiency of transverse strain from base material to element of foil gage
- ρ0 :
-
specific resistance of unstrained filament material
- ρ:
-
specific resistance of filament material while under strain
- R :
-
resistance
- ΔR :
-
change in resistance due to strain; positive if increasing
- V :
-
volume
- ΔV :
-
change in volume; positive if increasing
- m :
-
factor defined by hypothesis of eq 5
References
Baumberger, R., andHines, F., “Practical Reduction Formulas for Use on Bonded Wire Strain Gages in Two-Dimensional Stress Fields,” Proc. SESA, Vol II, No. I,113–147 (1944).
Handbook for Experimental Stress Analysis,John Wiley and Sons, pp. 408–411 (1950).
Stein, Peter, “Transverse Sensitivity Effects on Transducers,” Strain Gage Readings, 2,N. 6, p. 38 (February–March 1960).
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Meier, J.H. On the transverse-strain sensitivity of foil gages. Experimental Mechanics 1, 39–40 (1961). https://doi.org/10.1007/BF02324128
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DOI: https://doi.org/10.1007/BF02324128