Methodology for Stress-Controlled Fatigue Test Under In-Air and Pressurized Water Reactor Coolant Water Condition and to Evaluate the Effect of Pressurized Water Reactor Water and Loading Rate on Ratcheting [Methodology for Stress-Controlled Fatigue Test Under In-Air and PWR Coolant Water Condition and to Evaluate the Effect of PWR Water and Loading Rate on Ratcheting]

Barua, Bipul; Mohanty, Subhasish; Listwan, Joseph T.; Majumdar, Saurindranath; Natesan, Krishnamurti

doi:10.1115/1.4039345

Methodology for Stress-Controlled Fatigue Test Under In-Air and Pressurized Water Reactor Coolant Water Condition and to Evaluate the Effect of Pressurized Water Reactor Water and Loading Rate on Ratcheting [Methodology for Stress-Controlled Fatigue Test Under In-Air and PWR Coolant Water Condition and to Evaluate the Effect of PWR Water and Loading Rate on Ratcheting]

Journal Article · Wed Apr 04 00:00:00 EDT 2018 · Journal of Pressure Vessel Technology

DOI:https://doi.org/10.1115/1.4039345· OSTI ID:1460725

Barua, Bipul ^[1]; Mohanty, Subhasish ^[1]; Listwan, Joseph T. ^[1]; Majumdar, Saurindranath ^[1]; Natesan, Krishnamurti ^[1]

Argonne National Lab. (ANL), Lemont, IL (United States)

Here, this work investigates the behavior of 316 stainless steel (SS) under stress-controlled low cycle fatigue loading. Several fatigue experiments are conducted under different environment such as in air at 300°C and primary loop water conditions for a pressurized water reactor (PWR). Two different loading conditions are also employed to examine the effect of stress rate on material hardening and ratcheting. During PWR water test, actuator position measurements are used to determine the strain of the specimen. Under PWR environment, 316 SS is found to ratchet to a significantly greater degree compared with in air. At slow stress rate, higher amount of cyclic hardening is observed in 316 SS, and slow stress rate increases the rate of ratcheting. Results also indicate that 316 SS exhibits asymptotic strain response at higher stress loading which can cause material to behave very differently under same stress cyclic loading.

Research Organization:: Argonne National Lab. (ANL), Argonne, IL (United States)

Sponsoring Organization:: Light Water Reactor Sustainability Program; USDOE Office of Nuclear Energy (NE), Nuclear Reactor Technologies (NE-7)

Grant/Contract Number:: AC02-06CH11357

OSTI ID:: 1460725

Journal Information:: Journal of Pressure Vessel Technology, Journal Name: Journal of Pressure Vessel Technology Journal Issue: 3 Vol. 140; ISSN 0094-9930

Publisher:: ASMECopyright Statement

Country of Publication:: United States

Language:: English

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