skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Helium induced microstructure damage, nano-scale grain formation and helium retention behaviour of ZrC

Journal Article · · Acta Materialia
 [1]; ORCiD logo [2];  [3]; ORCiD logo [4]
  1. Univ. Paris-Saclay, Gif-sur-Yvette (France); Univ. of Tennessee, Knoxville, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Univ. Paris-Saclay, Gif-sur-Yvette (France)
  4. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Transition-metal ultra-high temperature ceramics are promising materials for nuclear structural applications. However, an understanding of their response to high-temperature irradiation and helium is vastly limited. This paper presents a study of helium effects in zirconium carbide (ZrC) by performing room temperature 3 MeV 3He+ ion irradiations up to 5 × 1020 ions m–2 (~1.8 at.% at peak) and high-temperature annealing (1273–1873 K), coupled with state-of-art characterization using transmission electron microscopy (TEM), scanning electron microscopy (SEM) and nuclear reaction analysis (NRA). We reveal that ZrC is susceptible to irradiation damage in terms of helium bubble formation. After annealing at 1373 K, tiny bubbles (1–2 nm) formed aligned clusters which were highly over-pressurized, producing strain contrast in TEM. At 1773 K, significant bubble growth occurred. Additionally, at 1773 K, a combined TEM/SEM analysis revealed dramatic matrix damage due to helium-induced surface blistering. Underneath blister caps, the microstructure evolved into ultra-fine nano-scale grains similar to high burn-up structures observed in nuclear fuels, but consisting of numerous nano-cracks. We hypothesize that such structures are formed due to high gas pressure build-up and its subsequent release. This phenomenon initiated at the grain boundaries. Blister top surface consisted of inter-granular and trans-granular cracks. NRA depth profiling revealed that helium was present as double peaks with major portion lying at the end-of-the-range (EOR) and the rest as TEM invisible clusters in a shoulder extending to the surface. ZrC started releasing helium after 1373 K. As a result, helium release increased significantly at higher temperatures, with majority helium loss occurring from EOR rather than from near-surface regions.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Fusion Energy Sciences (FES)
Grant/Contract Number:
AC05-00OR22725; -SC0006661
OSTI ID:
1479779
Alternate ID(s):
OSTI ID: 1636954
Journal Information:
Acta Materialia, Vol. 163, Issue C; ISSN 1359-6454
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 23 works
Citation information provided by
Web of Science

References (61)

Fission product release from ZrC-coated fuel particles during postirradiation heating at 1600°C journal July 1995
Retention of fission product caesium in ZrC-coated fuel particles for high-temperature gas-cooled reactors journal June 2000
Properties of zirconium carbide for nuclear fuel applications journal October 2013
Radiation effects in carbides: TiC and ZrC versus SiC journal May 2014
Effects of fast neutron irradiation on zirconium carbide journal April 2010
In situ ion irradiation of zirconium carbide journal November 2015
Structural evolution of zirconium carbide under ion irradiation journal February 2008
Multi-scale simulation of the experimental response of ion-irradiated zirconium carbide: Role of interstitial clustering journal January 2016
Proton irradiation study of GFR candidate ceramics journal May 2009
Microstructure and mechanical properties of proton irradiated zirconium carbide journal September 2008
Multistep damage evolution process in cubic zirconia irradiated with MeV ions journal October 2009
Damage processes in MgO irradiated with medium-energy heavy ions journal April 2015
Handbook of SiC properties for fuel performance modeling journal September 2007
Helium accumulation in metals during irradiation – where do we stand? journal December 2003
Microstructural evolution of helium-implanted α-SiC journal May 2000
Helium-assisted cavity formation in ion-irradiated ceramics journal March 1991
Effect of H and He irradiation on cavity formation and blistering in ceramics journal September 2012
An experimental study of helium diffusion and helium induced microstructural evolution in ion implanted polycrystalline titanium nitride journal December 2016
Elaboration and behavior under extreme irradiation conditions of nano- and micro-structured TiC
  • Gavarini, S.; Millard-Pinard, N.; Garnier, V.
  • Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Vol. 356-357 https://doi.org/10.1016/j.nimb.2015.04.064
journal August 2015
Helium ion implantation in SiAlON: Characterisation of cavity structures using TEM and IBA journal May 2000
The effect of He and swift heavy ions on nanocrystalline zirconium nitride
  • Janse van Vuuren, A.; Neethling, J. H.; Skuratov, V. A.
  • Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Vol. 326 https://doi.org/10.1016/j.nimb.2013.10.063
journal May 2014
Evolution of Helium Platelets and Associated Dislocation Loops in α -SiC journal March 1999
A review on helium mobility in inorganic materials journal February 2014
Study of helium migration in nuclear materials at Jannus–Saclay journal July 2014
Diffusion and retention of helium in titanium carbide journal May 2014
Helium thermal diffusion in a uranium dioxide matrix journal February 2004
Nuclear reaction analysis of helium migration in zirconia journal September 2003
Characterisation of radiation-damage microstructures by TEM journal October 1994
Foil thickness measurements from convergent-beam diffraction patterns An experimental assessment of errors journal August 1982
Defect kinetics and resistance to amorphization in zirconium carbide journal February 2015
Migration mechanisms of helium in copper and tungsten journal August 2014
Nuclear reaction analysis of helium diffusion in britholite journal October 2002
Helium diffusion in rutile and titanite, and consideration of the origin and implications of diffusional anisotropy journal September 2011
Application of nuclear reaction geometry for 3He depth profiling in nuclear ceramics journal May 2003
The role of implanted gas and lateral stress in blister formation mechanisms journal September 1978
The theory of blister formation journal January 1979
Phase stability diagrams of transition metal carbides, a theoretical study journal January 2001
The high burn-up structure in nuclear fuel journal December 2010
Microstructural analysis of LWR spent fuels at high burnup journal June 1992
Depth distribution and migration of helium in vanadium at elevated temperatures journal December 1976
Nuclear reaction analysis of helium migration in silicon carbide journal August 2011
Helium behaviour in stoichiometric and hyper-stoichiometric UO2 journal May 2014
Rare gas diffusion in nonstoichiometric zirconium carbide journal June 1967
Stability and mobility of self-interstitials and small interstitial clusters in α-iron: ab initio and empirical potential calculations
  • Willaime, F.; Fu, C. C.; Marinica, M. C.
  • Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Vol. 228, Issue 1-4 https://doi.org/10.1016/j.nimb.2004.10.028
journal January 2005
Predicted vacancy cluster structures in MgO and their interaction with helium journal December 2000
Thermal behaviour of helium in silicon carbide: Influence of microstructure journal May 2009
He implantation in cubic zirconia: Deleterious effect of thermal annealing journal July 2010
The density and pressure of helium in bubbles in implanted metals: A critical review journal January 1985
Rate controlling nucleation and diffusion processes in faceted inert gas bubbles and voids journal July 1972
State of a pressurized helium bubble in iron journal March 2009
Equilibrium shapes and surface selection of nanostructures in 6H-SiC journal April 2017
The thermal equilibrium shape and size of holes in solids journal January 1965
Microstructure and helium irradiation performance of high purity tungsten processed by cold rolling journal October 2016
Helium retention of vanadium alloy after energetic helium ion irradiation journal October 2004
Energetics and formation kinetics of helium bubbles in metals journal January 1983
Refractory Diborides of Zirconium and Hafnium journal May 2007
Dramatic reduction of void swelling by helium in ion-irradiated high purity α -iron journal April 2018
Theoretical basis for unified analysis of experimental data and design of swelling resistant alloys journal March 1991
Properties of He clustering in α-Fe grain boundaries journal April 2015
EPMA and SEM of fuel samples from PWR rods with an average burn-up of around 100 MWd/kgHM journal March 2002
Restructuring in high burnup UO2 studied using modern electron microscopy journal October 2018

Cited By (2)

Study of Helium Swelling in Nitride Ceramics at Different Irradiation Temperatures journal July 2019
Microstructure Evolution in ZrCx with Different Stoichiometries Irradiated by Four MeV Au Ions journal November 2019

Figures / Tables (14)


Similar Records

The Impact of Furnace-Testing on the Microstructure of an Irradiated U-Mo Fuel Plate
Journal Article · Wed Jun 15 00:00:00 EDT 2016 · Transactions of the American Nuclear Society · OSTI ID:1479779

Gas trapping and release in polycrystalline nickel preimplanted with helium
Journal Article · Sun May 01 00:00:00 EDT 1994 · Metallurgical Transactions, A (Physical Metallurgy and Materials Science); (United States) · OSTI ID:1479779

Microstructure of commercially available silicon carbide following high energy neutron and dual ion irradiation
Thesis/Dissertation · Sun Jan 01 00:00:00 EST 1984 · OSTI ID:1479779