Fatigue cycle sensor and method

摘要

A fatigue cycle sensor can integrate force with respect to time. The sensor has a body with a bore. A plunger is mounted in the bore for relative motion therethrough in response to force applied behind the plunger. The plunger is sized for an interference fit in the bore. This interference fit results in deformation in response to relative motion between the plunger and body. The foregoing sensor has many applications including estimating fatigue in weapons.