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Title: A pulse-controlled modified-burst test instrument for accident-tolerant fuel cladding

Abstract

Pellet-cladding mechanical interaction due to thermal expansion of nuclear fuel pellets during a reactivity-initiated accident (RIA) is a potential mechanism for failure of nuclear fuel cladding. To investigate the mechanical behavior of cladding during an RIA, we developed a mechanical pulse-controlled modified burst test instrument that simulates transient events with a pulse width from 10 to 300 ms. This paper includes validation tests of unirradiated and prehydrided ZIRLO cladding tubes. A ZIRLO cladding sample with a hydrogen content of 168 wt. ppm showed ductile behavior and failed at the maximum limits of the test setup with hoop strain to failure greater than 9.2%. ZIRLO samples showed high resistance to failure even at very high hydrogen contents (1,466 wt. ppm). When the hydrogen content was increased to 1,554 wt. ppm, brittle-like behavior was observed at a hoop strain of 2.5%. Preliminary scoping tests at room temperature with FeCrAl tubes were conducted to imitate the pulse behavior of transient test reactors during integral tests. The preliminary FeCrAl tests are informative from the perspective of characterizing the test rig and supporting the design of integral tests for current and potentially accident tolerant cladding materials.

Authors:
 [1];  [2];  [1];  [1];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Pennsylvania State Univ., University Park, PA (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Nuclear Energy (NE)
OSTI Identifier:
1362243
Alternate Identifier(s):
OSTI ID: 1416855
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Annals of Nuclear Energy (Oxford)
Additional Journal Information:
Journal Name: Annals of Nuclear Energy (Oxford); Journal Volume: 109; Journal ID: ISSN 0306-4549
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; Accident-tolerant fuel; FeCrAl alloys; reactivity-initiated accident; rapid loading; pellet-cladding mechanical interaction; modified burst test; hydride; zirconium alloy; ZIRLO.

Citation Formats

Cinbiz, M. Nedim, Brown, Nicholas R., Terrani, Kurt A., Lowden, Rick R., and Erdman, Donald. A pulse-controlled modified-burst test instrument for accident-tolerant fuel cladding. United States: N. p., 2017. Web. doi:10.1016/j.anucene.2017.05.058.
Cinbiz, M. Nedim, Brown, Nicholas R., Terrani, Kurt A., Lowden, Rick R., & Erdman, Donald. A pulse-controlled modified-burst test instrument for accident-tolerant fuel cladding. United States. doi:10.1016/j.anucene.2017.05.058.
Cinbiz, M. Nedim, Brown, Nicholas R., Terrani, Kurt A., Lowden, Rick R., and Erdman, Donald. Sat . "A pulse-controlled modified-burst test instrument for accident-tolerant fuel cladding". United States. doi:10.1016/j.anucene.2017.05.058. https://www.osti.gov/servlets/purl/1362243.
@article{osti_1362243,
title = {A pulse-controlled modified-burst test instrument for accident-tolerant fuel cladding},
author = {Cinbiz, M. Nedim and Brown, Nicholas R. and Terrani, Kurt A. and Lowden, Rick R. and Erdman, Donald},
abstractNote = {Pellet-cladding mechanical interaction due to thermal expansion of nuclear fuel pellets during a reactivity-initiated accident (RIA) is a potential mechanism for failure of nuclear fuel cladding. To investigate the mechanical behavior of cladding during an RIA, we developed a mechanical pulse-controlled modified burst test instrument that simulates transient events with a pulse width from 10 to 300 ms. This paper includes validation tests of unirradiated and prehydrided ZIRLO cladding tubes. A ZIRLO cladding sample with a hydrogen content of 168 wt. ppm showed ductile behavior and failed at the maximum limits of the test setup with hoop strain to failure greater than 9.2%. ZIRLO samples showed high resistance to failure even at very high hydrogen contents (1,466 wt. ppm). When the hydrogen content was increased to 1,554 wt. ppm, brittle-like behavior was observed at a hoop strain of 2.5%. Preliminary scoping tests at room temperature with FeCrAl tubes were conducted to imitate the pulse behavior of transient test reactors during integral tests. The preliminary FeCrAl tests are informative from the perspective of characterizing the test rig and supporting the design of integral tests for current and potentially accident tolerant cladding materials.},
doi = {10.1016/j.anucene.2017.05.058},
journal = {Annals of Nuclear Energy (Oxford)},
number = ,
volume = 109,
place = {United States},
year = {Sat Jun 03 00:00:00 EDT 2017},
month = {Sat Jun 03 00:00:00 EDT 2017}
}

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Cited by: 2 works
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