Publications

Techniques for testing 304L stainless steel over a wide range of temperatures

Antoun, Bonnie; Korellis, John S.; Song, Bo

Various techniques and heating methods have been employed to characterize the compressive and tensile behavior of 304L stainless steel over a wide range of test temperatures. Depending on the test temperature, the experimental apparatus required to produce uniform temperatures in the specimens varied significantly. Compression experiments imposed additional difficulty in achieving a uniform temperature throughout the specimen, but were attainable using secondary heating of the test platens. The 304L material was characterized in tension at quasi-static rates and in compression over an extensive range of strain rates to the very high strain rate regime. Strain rate effects were experimentally determined and a reversal in the strain rate effect was discovered at some temperature and strain rate combinations. Dynamic recrystallization was observed at some temperature and strain rate regimes.