Strain gages exhibit piezoresistive behavior, and are one of the most common ways to measure strain. Types • unbonded wire - basically a wire under strain (c. 1940s) • foil - type shown to left (c. 1950s) are most common • semiconductor (c. 1960s)
Strain gages exhibit piezoresistivebehavior, and are one of themost common ways to measurestrain.Types• unbonded wire - basically awire under strain (c. 1940s)• foil - type shown to left (c.1950s) are most common• semiconductor (c. 1960s)