SYMPOSIA PAPER Published: 01 January 1994

Crack Growth Behavior of Candidate Waste Container Materials in Simulated Underground Water


Fracture-mechanics crack growth tests were conducted on 25.4-mm-thick compact tension specimens of Types 304L and 316L stainless steel and Incoloy 825 at 93°C and 1 atmosphere of pressure in simulated J-13 well water, which is representative of the groundwater at the Yucca Mountain site in Nevada that is proposed for a high-level nuclear waste repository. Crack growth rates were measured under various load conditions: load ratios of 0.2–1.0, frequencies of 2 × 10@4-1 Hz, rise times of 1–5000 s, and peak stress intensities of 25–40 MPa˙m1/2. The measured crack growth rates are bounded by the predicted rates from the current ASME Section XI correlation for fatigue crack growth rates of austenitic stainless steel in air. Environmentally accelerated crack growth was not evident in any of the three materials under the test conditions investigated.

Author Information

Park, JY
Argonne National Laboratory, Argonne, IL, USA
Shack, WJ
Argonne National Laboratory, Argonne, Illinois, USA
Diercks, DR
Argonne National Laboratory, Argonne, Illinois, USA
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Developed by Committee: G01
Pages: 188–203
DOI: 10.1520/STP24883S
ISBN-EB: 978-0-8031-5265-6
ISBN-13: 978-0-8031-1853-9