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Premium ON A GENERAL METHOD OF COMPENSATION IN STRAIN GAUGE WORK
Author(s)
MEYER M.L.
Publication year1968
Publication title
strain
Resource typeJournals
PublisherBlackwell Publishing Ltd
If gauges or rosettes identical with those used in testing are affixed to a compensating bar under known stresses and of the same material as the test piece, the required stresses are obtained directly in terms of the known compensating stress and of the measured resistance changes. Cross‐sensitivity, gauge factor and constants of elasticity of the test piece cancel out and errors due to inaccurate assumptions for their values are avoided. If the test strains, elastic or non‐elastic, are required and the elastic compensating strain is known, Poisson's ratio of the compensator enters into the evaluation. A region of the test piece where stresses or strains are known may serve as a compensator. One compensating rosette or two single compensating gauges suffice for any number of identical testing gauges. Initial zero balance may not always be needed and special circuits facilitate evaluation, which lends itself to simple self‐contained automation. An analogue unit suggested for incorporation in a strain meter allows direct display of principal stresses and directions from rosette measurements.
Subject(s)anatomy , biology , compensation (psychology) , composite material , engineering , materials science , mechanical engineering , psychology , social psychology , strain (injury) , strain gauge , structural engineering , work (physics)
Language(s)English
SCImago Journal Rank0.477
H-Index47
eISSN1475-1305
pISSN0039-2103
DOI10.1111/j.1475-1305.1968.tb01337.x

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