Abstract
This paper describes the experimental methods that we employ for low cycle fatigue studies. Techniques associated with two test systems, an MTS system and an Instron machine, are described. In particular, the following subjects are treated: principles underlying low cycle fatigue testing; load frames, load cells, and load applying devices; design of specimens; specimen gripping methods; measurement of strain; selection of test program; strain control during a test; recording of data; determination of failure; analysis, reduction, and presentation of test results; and metallographic techniques associated with low cycle fatigue testing.