Manufacturing Oxide Dispersion-Strengthened (ODS) Steel Fuel Cladding Tubes Using the Cold Spray Process

The cold spray materials deposition process has been investigated for manufacturing oxide dispersion-strengthened (ODS) steel fuel cladding tubes. Gas-atomized 14YWT ODS steel powder was used as the feedstock material. A parametric investigation of the cold spray process involving substrate material...

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Bibliographic Details
Published in:JOM (1989) 2019-08, Vol.71 (8), p.2868-2873
Main Authors: Lenling, Mia, Yeom, Hwasung, Maier, Benjamin, Johnson, Greg, Dabney, Tyler, Graham, Jeffrey, Hosemann, Peter, Hoelzer, David, Maloy, Stuart, Sridharan, Kumar
Format: Article
Language:English
Subjects:
Advanced Manufacturing for Nuclear Energy
Annealing
Carrier gases
Chemistry/Food Science
Cladding
Cold
Deformation
Deposition
Dispersion hardening alloys
Dispersion hardening steels
Dissolution
Earth Sciences
Engineering
Environment
Ferritic stainless steels
Fuels
Grain growth
High temperature
Investigations
Laboratories
Manufacturing
MATERIALS SCIENCE
Nanoparticles
Nuclear reactors
Oxide dispersion strengthening
Physics
Radiation
Raw materials
Scanning electron microscopy
Steel alloys
Substrates
Temperature
Tubes
Velocity
Zirconium alloys
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Summary:The cold spray materials deposition process has been investigated for manufacturing oxide dispersion-strengthened (ODS) steel fuel cladding tubes. Gas-atomized 14YWT ODS steel powder was used as the feedstock material. A parametric investigation of the cold spray process involving substrate materials of various hardnesses, gas preheat temperatures, and carrier gas compositions was performed to achieve the highest quality deposit. The high-velocity impact of the powder on the substrate led to dissolution of discrete oxide nanoparticles, which subsequently reprecipitated during postdeposition annealing at high temperatures. The tubes were manufactured by deposition on an Al-alloy mandrel substrate and subsequent chemical dissolution of the substrate. A 204-mm-long and 1-mm-thick ODS steel cladding tube was successfully manufactured. The grain growth and distribution of oxide nanoparticles in ferritic steel matrix were identified at elevated temperatures. Overall, the cold spray process holds considerable promise for rapid, cost-effective manufacturing of ODS steel cladding tubes.
ISSN:1047-4838
1543-1851
DOI:10.1007/s11837-019-03582-w