2020
DOI: 10.1016/j.jnucmat.2020.152420
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Mechanical and chemical properties of PVD and cold spray Cr-coatings on Zircaloy-4

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Cited by 60 publications
(15 citation statements)
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“…The interplanar distances are calculated to be 2.0382, 1.4417 and 1.1773 nm, respectively, which are consistent with the PDF card values. The diffraction peak of the (110) plane is much stronger than the other two planes, consistent with results obtained during other studies [ 27 , 48 , 49 , 59 , 60 ]. This is the close-packed plane of a BCC crystal, which will have the lowest surface energy and smallest growth energy barrier.…”
Section: Resultssupporting
confidence: 92%
“…The interplanar distances are calculated to be 2.0382, 1.4417 and 1.1773 nm, respectively, which are consistent with the PDF card values. The diffraction peak of the (110) plane is much stronger than the other two planes, consistent with results obtained during other studies [ 27 , 48 , 49 , 59 , 60 ]. This is the close-packed plane of a BCC crystal, which will have the lowest surface energy and smallest growth energy barrier.…”
Section: Resultssupporting
confidence: 92%
“…3 The nuclear community is considering two main strategies to develop new fuel technology 4 : (1) application of coatings to Zircaloy cladding and (2) development of non-Zircaloy monolithic alternative materials. A number of studies have demonstrated that ceramic coatings such as SiC, 5 TiAlCrN, 6 and CrN, 7 and metallic coatings such as FeCrAl 8 and Cr [9][10][11][12] have excellent resistance to oxidation at higher temperature. Similarly, FeCrAl alloys have shown outstanding high-temperature (£ 1000°C) oxidation resistance, [13][14][15] remarkable stability of microstructural and mechanical properties at different radiation doses, 16 and high ultimate tensile and yield strength at different temperatures.…”
Section: Introductionmentioning
confidence: 99%
“…As long as the Cr coating is intact/protective, the microstructure of the Cr coatings is the key characteristic in normal operation and accident conditions [165,[168][169][170]. It has been shown that the activation energy of oxidation is higher for dense Cr coatings compared to columnar ones.…”
Section: Microstructure and Thickness Of The Coatingsmentioning
confidence: 99%