Vanadium-spinel composites for structural applications in hostile environments

R. B. Schwarz; C. J. Wetteland; T. D. Shen; E. Ustundag; K. E. Sickafus

doi:10.1016/s0921-5093(97)00388-2

Vanadium-spinel composites for structural applications in hostile environments

R. B. Schwarz^*, C. J. Wetteland, T. D. Shen, E. Ustundag, K. E. Sickafus

^*Corresponding author for this work

Los Alamos National Laboratory

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

Abstract

Vanadium-spinel composites are promising materials for structural applications in radiation environments. Powders of two vanadium-spinel composites, 20/80 vol.%, were prepared by (a) ball milling mixtures of vanadium and spinel powders (alloy VSLP) and (b) through a self-sustained reaction synthesis of vanadium, MgO, and Al powders (alloy VSHP). These powders were consolidated by hot isostatic pressing. Most of the V and spinel domains in the compacts are sub-micron in size. The compacts have K_c toughness values of 3.9, about three times the toughness obtained by hipping mixtures of commercial powders.

Original language	English
Pages (from-to)	1091-1094
Number of pages	4
Journal	Materials Science and Engineering: A
Volume	234-236
DOIs	https://doi.org/10.1016/s0921-5093(97)00388-2
Publication status	Published - 30 Aug 1997
Externally published	Yes

Funding

This work was supported by the US Department Energy, Office of Basic Energy Sciences.

Funders	Funder number
Office of Basic Energy Sciences
US Department Energy

Keywords

Composites
Radiation resistance
Toughness

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10.1016/s0921-5093(97)00388-2

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abstract = "Vanadium-spinel composites are promising materials for structural applications in radiation environments. Powders of two vanadium-spinel composites, 20/80 vol.%, were prepared by (a) ball milling mixtures of vanadium and spinel powders (alloy VSLP) and (b) through a self-sustained reaction synthesis of vanadium, MgO, and Al powders (alloy VSHP). These powders were consolidated by hot isostatic pressing. Most of the V and spinel domains in the compacts are sub-micron in size. The compacts have Kc toughness values of 3.9, about three times the toughness obtained by hipping mixtures of commercial powders.",

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AU - Schwarz, R. B.

AU - Wetteland, C. J.

AU - Shen, T. D.

AU - Ustundag, E.

AU - Sickafus, K. E.

PY - 1997/8/30

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N2 - Vanadium-spinel composites are promising materials for structural applications in radiation environments. Powders of two vanadium-spinel composites, 20/80 vol.%, were prepared by (a) ball milling mixtures of vanadium and spinel powders (alloy VSLP) and (b) through a self-sustained reaction synthesis of vanadium, MgO, and Al powders (alloy VSHP). These powders were consolidated by hot isostatic pressing. Most of the V and spinel domains in the compacts are sub-micron in size. The compacts have Kc toughness values of 3.9, about three times the toughness obtained by hipping mixtures of commercial powders.

AB - Vanadium-spinel composites are promising materials for structural applications in radiation environments. Powders of two vanadium-spinel composites, 20/80 vol.%, were prepared by (a) ball milling mixtures of vanadium and spinel powders (alloy VSLP) and (b) through a self-sustained reaction synthesis of vanadium, MgO, and Al powders (alloy VSHP). These powders were consolidated by hot isostatic pressing. Most of the V and spinel domains in the compacts are sub-micron in size. The compacts have Kc toughness values of 3.9, about three times the toughness obtained by hipping mixtures of commercial powders.

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KW - Toughness

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Vanadium-spinel composites for structural applications in hostile environments

Abstract

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Keywords

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