Transverse sensitivity of bonded strain gages |
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Authors: | Charles T. Wu |
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Affiliation: | 1. Electronics Division, Baldwin-Lima-Hamilton Corp., Waltham, Mass
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Abstract: | Transverse sensitivity of strain gages usually causes unavoidable errors in two-dimensional stress analyses. Formulas have been derived for correcting these errors but involve transverse-sensitivity values which, in most cases, were not available to the user. This paper describes a method for determination of transverse-sensitivity values using a testing apparatus specially built for this purpose. Results from testing a wide variety of wire and foil strain gages are tabulated and mechanisms of the foil-gage transverse sensitivity discussed. |
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