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Selection and models of strain gages (SGs)
SGs are selected depending on the measurement task by model, series, connection type, temperature response adaptation, active measuring grid length, and electrical resistance. In terms of the application, the model of SG that is...
From measured strain to mechanical stress: analysis of biaxial stress state with unknown principal directions
Strains on the surface of a component are measured in an experimental stress analysis using rosettes with 3 measuring grids (strain gages). Using measurement results and taking into consideration material properties (modulus of...
Areas of application for strain gages
During experimental stress analysis, mechanical stress is determined based on strains measured on the component surface with known material properties (modulus of elasticity, transverse strain index). Often both the magnitude and...
Selection and overview of covering materials
The quality of a measurement with strain gages depends essentially on the type of installation and design of the measuring point. A thorough preparation of the installation surface, correct connection, and protective covering are...
A comparison: electrical or optical strain gages
The present paper provides a comparison of the characteristics of electrical and optical strain gages and is to provide orientation for finding the optimal solution to different measurement problems.
