High Cycle Fatigue Properties of Type 316 Stainless Steel

The effect of various testing parameters upon the fatigue hardening associated with the fatigue induced precipitation in solution heat treated type 316 s.s. has been investigated in high cycle strain-controlled fatigue tests employing a large amplitude flexural resonant vibration of about 200 Hz. Miniatur-ized specimens were used at total strain amplitude(ƒÃt)up to about 6•~10-4 at 323K and 573K. An investigation of the e, dependence of the apparent modulus suggests the fatigue induced precipitates to be very fine. It was further found that the synergistic effect of the existence of the fatigue induced damage and/or precipitates and rising temperature played an important role in revealing the subsequent enhancement of fatigue induced precipitation.The effect ofƒÃt and ofƒÃp(the plastic strain component of ƒÃt)upon the precipitation phenomenon revealed that the number density of the fatigue induced precipitates tended to increase with increasing ƒÃp or to decrease with increasing s,.Apreliminary investigation concerning the effect of in situ irradiation by 20 MeV protons at 573 K upon the precipitation phenomenon reveals that the fatigue induced precipitates are possibly dispersed by the irradiation.

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Effects of <I>in situ</I> Pulse-Irradiation of 20 MeV Protons and Thermal-Pulse on the Fatigue Properties of 316 Stainless Steel

Mizubayashi

Kikuchi

Ohtaka

et al. 1990

Mater. Trans., JIM

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High Cycle Fatigue Properties of Type 316 Stainless Steel

Cited by 5 publications

References 12 publications

Effects of in-situ pulse irradiation of 20 MeV protons and thermal pulses on the fatigue properties of low-carbon 316 stainless steel

Effects of in-situ pulse irradiation of 20 MeV protons and thermal pulses on the fatigue properties of low-carbon 316 stainless steel

The Effect of Strain Amplitude, Temperature and <I>in situ</I> Irradiation by 20 MeV Protons upon the Fatigue Properties of 316 Stainless Steel

Effects of <I>in situ</I> Pulse-Irradiation of 20 MeV Protons and Thermal-Pulse on the Fatigue Properties of 316 Stainless Steel

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