The influence of interstitial oxygen and peak pressure on the shock loading behavior of zirconium

Ellen Kathleen Cerreta; George Thompson Gray; R. S. Hixson; P. A. Rigg; Donald William Brown

doi:10.1016/j.actamat.2004.12.024

The influence of interstitial oxygen and peak pressure on the shock loading behavior of zirconium

Ellen Kathleen Cerreta
, George Thompson Gray
, R. S. Hixson
, P. A. Rigg
, Donald William Brown

Los Alamos National Laboratory

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

87 Scopus citations

Abstract

The pressure of the α-ω phase transition in zirconium is quantified as a function of interstitial content. The pressure increases with increasing interstitial oxygen content and for the high purity (Zr₀) material occurs at 7.1 GPa. Increasing the oxygen content increases the number of octahedral sites occupied; this is postulated to increase the pressure for phase transformation. Deformation behavior and substructural evolution of as-annealed Zr₀ zirconium under quasi-static conditions is compared to its response following shock prestraining at 5.8 and 8 GPa. The reload response of Zr₀ zirconium shock prestrained to 8 GPa exhibits enhanced hardening, while specimens shocked to 5.8 GPa do not when compared to quasi-static constitutive behavior. Published by Elsevier Ltd on behalf of Acta Materialia Inc.

Original language	English
Pages (from-to)	1751-1758
Number of pages	8
Journal	Acta Materialia
Volume	53
Issue number	6
DOIs	https://doi.org/10.1016/j.actamat.2004.12.024
State	Published - Apr 1 2005

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10.1016/j.actamat.2004.12.024

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title = "The influence of interstitial oxygen and peak pressure on the shock loading behavior of zirconium",

abstract = "The pressure of the α-ω phase transition in zirconium is quantified as a function of interstitial content. The pressure increases with increasing interstitial oxygen content and for the high purity (Zr0) material occurs at 7.1 GPa. Increasing the oxygen content increases the number of octahedral sites occupied; this is postulated to increase the pressure for phase transformation. Deformation behavior and substructural evolution of as-annealed Zr0 zirconium under quasi-static conditions is compared to its response following shock prestraining at 5.8 and 8 GPa. The reload response of Zr0 zirconium shock prestrained to 8 GPa exhibits enhanced hardening, while specimens shocked to 5.8 GPa do not when compared to quasi-static constitutive behavior. Published by Elsevier Ltd on behalf of Acta Materialia Inc.",

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T1 - The influence of interstitial oxygen and peak pressure on the shock loading behavior of zirconium

AU - Cerreta, Ellen Kathleen

AU - Gray, George Thompson

AU - Hixson, R. S.

AU - Rigg, P. A.

AU - Brown, Donald William

PY - 2005/4/1

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N2 - The pressure of the α-ω phase transition in zirconium is quantified as a function of interstitial content. The pressure increases with increasing interstitial oxygen content and for the high purity (Zr0) material occurs at 7.1 GPa. Increasing the oxygen content increases the number of octahedral sites occupied; this is postulated to increase the pressure for phase transformation. Deformation behavior and substructural evolution of as-annealed Zr0 zirconium under quasi-static conditions is compared to its response following shock prestraining at 5.8 and 8 GPa. The reload response of Zr0 zirconium shock prestrained to 8 GPa exhibits enhanced hardening, while specimens shocked to 5.8 GPa do not when compared to quasi-static constitutive behavior. Published by Elsevier Ltd on behalf of Acta Materialia Inc.

AB - The pressure of the α-ω phase transition in zirconium is quantified as a function of interstitial content. The pressure increases with increasing interstitial oxygen content and for the high purity (Zr0) material occurs at 7.1 GPa. Increasing the oxygen content increases the number of octahedral sites occupied; this is postulated to increase the pressure for phase transformation. Deformation behavior and substructural evolution of as-annealed Zr0 zirconium under quasi-static conditions is compared to its response following shock prestraining at 5.8 and 8 GPa. The reload response of Zr0 zirconium shock prestrained to 8 GPa exhibits enhanced hardening, while specimens shocked to 5.8 GPa do not when compared to quasi-static constitutive behavior. Published by Elsevier Ltd on behalf of Acta Materialia Inc.

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U2 - 10.1016/j.actamat.2004.12.024

DO - 10.1016/j.actamat.2004.12.024

M3 - Article

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JO - Acta Materialia

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The influence of interstitial oxygen and peak pressure on the shock loading behavior of zirconium

Abstract

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