1940•Unpublished venueRequires access

The development of electrical strain gages

A. V. de Forest, Herbert Leaderman

Abstract

The design, construction, and properties of an electrical-resistance strain gage consisting of fine wires molded in a laminated plastic are described. The properties of such gages are discussed and also the problems of molding of wires in plastic materials, temperature compensation, and cementing and removal of the gages. Further work to be carried out on the strain gage, together with instrument problems, is discussed.

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Available abstract

Key concepts: Strain gauge, Electrical resistance and conductance, Materials science, Compensation (psychology), Extensometer, Molding (decorative), Strain (injury), Composite material