Low Cycle Fatigue (LCF) of Metals at High Temperature

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Applications in which materials in structures undergo large changes in temperatures, which results in larges forces between the components should be tested to determine high temperature low cycle fatigue characteristics. Recent test machine innovations make it possible to perform high force static tensile and compression tests and fatigue testing with all electric dynamic actuators. All electric machines are not only less expensive to purchase but also to operate in the long term.

Low cycle fatigue testing can be done with either strain control of load control. Both ASTM and ISO have standard test methods for strain and load control fatigue testing. For strain control, refer to ASTM E606 or ISO 12106. For load control refer to ASTM E466 or ISO 1099. Fatigue testing is done using three different methods, all of which are covered by ASTM. First, ASTM E606 covers strain control axial fatigue. Third, ASTM E466 covers load controlled fatigue testing.

Applicable Testing Standards

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