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- Title
Differential Strain Gauge: A Sensor Device for Macro- and Microsystems.
- Authors
Stockmann, M.; Naumann, J.; Schumann, J.; Mönch, I.
- Abstract
The paper describes an operating principle for the electrical measurement of mechanical strain states. This principle gives up the idea of measuring the strain-induced resistance change of single wire conductors and passes on to determining the strain-induced deformation of the electrical field in area conductors. The basic operating principle, sensitivity considerations and the design of a functional prototype are described. Several experimental results in the application fields of transducer technology and strain analysis demonstrate the high capability of this method. The compact design allows simplification of the production process. An interesting additional advantage is the use of science-based temperature compensation, i.e. the conventional, difficult process of foil treatment to attain temperature self-compensation and suitability of each strain gauge for different component materials is superseded.
- Subjects
STRAIN gages; ELECTROACOUSTIC transducers; TEMPERATURE coefficient of electric resistance; ELECTRIC resistance; ELECTRIC wire testing
- Publication
Strain, 2011, Vol 47, pe104
- ISSN
0039-2103
- Publication type
Article
- DOI
10.1111/j.1475-1305.2008.00557.x