Multi-axial mechanical behavior of zircaloy-702 and effect on initial texture

Matthew E. Kant; Akawut Siriruk; Dayakar Penumadu; Elena Garlea; Sven C. Vogel; X. Yu; Chad M. Parish

doi:10.1007/s11661-012-1564-z

Multi-axial mechanical behavior of zircaloy-702 and effect on initial texture

Matthew E. Kant, Akawut Siriruk, Dayakar Penumadu, Elena Garlea, Sven C. Vogel, X. Yu, Chad M. Parish

Nuclear Energy Materials Microanalysis

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Zircaloy-702 (Zr-702 or UNS R60702) cylindrical tubes are commonly used for applications requiring mechanical stability in extreme environments. Owing to its crystal structure and processing techniques, significant texture and anisotropic mechanical properties are possible. In the current study, combined axial-torsional testing is employed to probe macroscopic stress-strain behavior in three dimensions, and corresponding yield surface in octahedral plane is obtained. Zr-702 tube samples are characterized under pure tension, torsion, and combined (tension and torsion) loading. Three-dimensional digital image correlation using VIC-3D system was implemented to determine surface deformation patterns for identification of strain localizations. Neutron diffraction-based texture analysis is performed to obtain an understanding of the effect of loading path on the material texture compared with the as-received, initial grain orientation. Pole figures for Zr-702 tubes are obtained for each loading path.

Original language	English
Pages (from-to)	S94-S108
Journal	Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume	44
Issue number	SUPPL. 1
DOIs	https://doi.org/10.1007/s11661-012-1564-z
State	Published - Jan 2013

Funding

The funding for this research was provided by the Y-12 National Security Complex’s Plant Directed Research and Development program. This research was also supported in part by the U.S. Department of Energy under contract DE-AC05-00OR22800. Texture measurements were obtained through Los Alamos Neutron Science Center (LANSCE) user project of Dr. Penumadu. This research was also supported in part by Oak Ridge National Laboratory’s ShaRE User Facility, which is sponsored by the Scientific User Facilities Division, the Office of Basic Energy Sciences, the U.S. Department of Energy.

Funders	Funder number
Office of Basic Energy Sciences
Y-12 National Security Complex’s Plant Directed Research and Development program
U.S. Department of Energy	DE-AC05-00OR22800
Oak Ridge National Laboratory

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10.1007/s11661-012-1564-z

Cite this

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abstract = "Zircaloy-702 (Zr-702 or UNS R60702) cylindrical tubes are commonly used for applications requiring mechanical stability in extreme environments. Owing to its crystal structure and processing techniques, significant texture and anisotropic mechanical properties are possible. In the current study, combined axial-torsional testing is employed to probe macroscopic stress-strain behavior in three dimensions, and corresponding yield surface in octahedral plane is obtained. Zr-702 tube samples are characterized under pure tension, torsion, and combined (tension and torsion) loading. Three-dimensional digital image correlation using VIC-3D system was implemented to determine surface deformation patterns for identification of strain localizations. Neutron diffraction-based texture analysis is performed to obtain an understanding of the effect of loading path on the material texture compared with the as-received, initial grain orientation. Pole figures for Zr-702 tubes are obtained for each loading path.",

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AU - Vogel, Sven C.

AU - Yu, X.

AU - Parish, Chad M.

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AB - Zircaloy-702 (Zr-702 or UNS R60702) cylindrical tubes are commonly used for applications requiring mechanical stability in extreme environments. Owing to its crystal structure and processing techniques, significant texture and anisotropic mechanical properties are possible. In the current study, combined axial-torsional testing is employed to probe macroscopic stress-strain behavior in three dimensions, and corresponding yield surface in octahedral plane is obtained. Zr-702 tube samples are characterized under pure tension, torsion, and combined (tension and torsion) loading. Three-dimensional digital image correlation using VIC-3D system was implemented to determine surface deformation patterns for identification of strain localizations. Neutron diffraction-based texture analysis is performed to obtain an understanding of the effect of loading path on the material texture compared with the as-received, initial grain orientation. Pole figures for Zr-702 tubes are obtained for each loading path.

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Multi-axial mechanical behavior of zircaloy-702 and effect on initial texture

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