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5. Conclusion
The forming range for zirconium and hafnium alloys exploits conventional processes widely used for other metal alloys. However, the process parameters must be perfectly matched to the chemical composition of the alloy being processed, as well as to the properties expected of the finished products. Indeed, each process in the range has a potential influence on the final behavior of the parts, via changes in alloy chemistry, phases present, microstructure or crystallographic texture. Given the stringent requirements of the nuclear industry, it is essential to master all the processes in the manufacturing and forming range.
However, many lines of research remain open in order to optimize forming processes while guaranteeing product quality. These include the evolution of microstructures (recrystallization) and crystallographic textures during deformation and heat treatment,...
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Conclusion
Glossary
Bibliography
Software tools
FORGE NxT, TRANSVALOR S.A., Parc de Haute Technologie – 694 Avenue du Dr. Maurice Donat – 06255 Mougins cedex – France, http://www.transvalor.com
Events
Conference: International Symposium on Zirconium in the Nuclear Industry, ASTM B10
Committee, every three years https://www.astm.org/MEETINGS/index.html
Standards and norms
French standards
- Corrosion of metals and alloys – Aqueous corrosion testing of zirconium alloys used in nuclear reactors. - NF EN ISO 10270 - juillet 2008
- Description and qualification of a welding procedure for metallic materials – Welding procedure qualification test – Part 5: arc welding on titanium, zirconium and their alloys. - NF EN ISO 15614-5 - septembre 2004
- Welder qualification...
Directory
Main producers of nuclear-grade zirconium alloys :
France :
Framatome, http://www.framatome.com
United States :
ATI Metals, https://www.atimetals.com
Westinghouse...
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