6533b826fe1ef96bd1285073

RESEARCH PRODUCT

Strain Measurement on Composites: Errors due to Rosette Misalignment

Augusto AjovalasitAntonio MancusoN. Cipolla

subject

Materials scienceObservational errorStrain (chemistry)Field (physics)Mechanical EngineeringComposite numberlaw.inventionRosette (botany)Electrical resistance and conductanceMechanics of MaterialslawResistorComposite materialStrain gauge

description

Electrical resistance strain gauges are increasingly used for the determination of the strain field in composite components. The effect of the angular misalignment of a strain gauge rosette on the determination of the strains in a composite material is investigated in this paper. The theoretical analysis shows that the strain error along the principal material directions depends on the difference of principal strains, on the angular misalignment of the rosette and on the angle between the maximum principal strain and the fibre direction. The paper also shows experimental evidence for the theoretical analysis.

yearjournalcountryeditionlanguage
2002-11-01Strain
https://doi.org/10.1111/j.1475-1305.2002.00031.x