Low Cycle Fatigue (LCF)
Fatigue occurs when a material is subjected to repeated loading and unloading. It causes progressive localised structural damage, resulting in the material fracturing prematurely, below the expected ultimate tensile stress or yield stress limits. Fatigue lives of 100,000 cycles or less are defined as Low Cycle Fatigue.
Low cycle fatigue testing at SMaRT is primarily conducted on servo-hydraulic test machines, with some electric screw availability. Testing can be conducted in force, strain or displacement controlled modes. Typically, testing is conducted between ambient and 900°C, although some capacity for higher temperatures is available. SMaRT currently use a range of test machines that provide operation across loads ranging from 0.5kN to 250kN.