Equipment and materials

Abstract

A scratch strain gauge is mechanically simple and durable. It records strain by making scratches on a circular ‘target’ and works accurately over a temperature range of—20° to 540°C (—67° to 1,000°F). It records all stresses beyond the clastic limit of steel and aluminium.

Citation

(1972), "Equipment and materials", Aircraft Engineering and Aerospace Technology, Vol. 44 No. 6, pp. 28-30. https://doi.org/10.1108/eb034918