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Characterization of...
Characterization of as-deposited cold sprayed Cr-coating on Optimized ZIRLO™ claddings
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- Fazi, Andrea, 1992 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Aboulfadl, Hisham, 1986 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Harihara Subramonia Iyer, Anand, 1990 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Sattari, Mohammad, 1981 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Stiller, Krystyna Marta, 1947 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Andrén, Hans-Olof, 1947 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Lokhande, Pratik, 1994 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Thuvander, Mattias, 1968 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- Elsevier BV, 2021
- 2021
- Engelska.
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Ingår i: Journal of Nuclear Materials. - : Elsevier BV. - 0022-3115. ; 549
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- As-produced Cr-coated Optimized ZIRLO™ cladding material fabricated with the cold-spray (CS) deposition process is studied. Cross-sectional electron microscopy, nano-hardness profiling, transmission electron microscopy, transmission Kikuchi diffraction, and atom probe tomography (APT) were performed to investigate the nature of the CS Cr-coating/Optimized ZIRLO™ interface, the microstructure of the coating, and the effects of the deposition on the Zr-substrate microstructure. The former surface of the Zr-substrate was found to have a highly deformed nano-crystalline microstructure, the formation of which was attributed to dynamic recrystallization occurring during coating deposition. This microstructural change, evaluated with electron backscattered diffraction and nano-hardness profiling, appeared to be confined to a depth of a few microns. Through APT analysis, a 10–20 nm thick intermixed bonding region was observed at the interface between coating and substrate. The chemical composition of this region suggests that this layer originated from a highly localized shearing and heating of a thin volume of the outermost former surface of the substrate. The study of the intermixed bonding region's crystalline structure was performed with high resolution transmission electron microscopy and revealed a distorted hexagonal close-packed structure.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Nyckelord
- Atom probe tomography
- Cold spray deposition
- Chromium coatings
- Zirconium alloys
- Accident tolerant fuels
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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