Effect of crystalline metallic particles on the compressive behavior of a cellular amorphous metal

Alan H. Brothers; Benjamin Mangrich; Marie Cox; David C Dunand

doi:10.1016/j.scriptamat.2011.02.014

Effect of crystalline metallic particles on the compressive behavior of a cellular amorphous metal

Alan H. Brothers, Benjamin Mangrich, Marie Cox^*, David C Dunand

^*Corresponding author for this work

Materials Science and Engineering

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

6 Scopus citations

Abstract

Molten Vit106 (Zr₅₇Nb₅Cu_15.4Ni _12.6Al₁₀) was infiltrated into a BaF₂ preform containing W particles, and quenched. Salt dissolution resulted in an open-porosity foam with struts consisting of amorphous Vit106 containing crystalline W particles. This composite foam exhibits high compressive strains (∼75%), a low plateau stress (∼30 MPa) and higher damage accumulation than prior single-phase Vit106 foams. Likely explanations are the lower porosity in the composite foam (43% vs. 76%), damage from galvanic corrosion during salt removal, and tungsten embrittlement during processing.

Original language	English (US)
Pages (from-to)	1031-1034
Number of pages	4
Journal	Scripta Materialia
Volume	64
Issue number	11
DOIs	https://doi.org/10.1016/j.scriptamat.2011.02.014
State	Published - Jun 1 2011

Keywords

Acoustic methods
Bulk metallic glass
Composites
Foams
Porous material

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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abstract = "Molten Vit106 (Zr57Nb5Cu15.4Ni 12.6Al10) was infiltrated into a BaF2 preform containing W particles, and quenched. Salt dissolution resulted in an open-porosity foam with struts consisting of amorphous Vit106 containing crystalline W particles. This composite foam exhibits high compressive strains (∼75%), a low plateau stress (∼30 MPa) and higher damage accumulation than prior single-phase Vit106 foams. Likely explanations are the lower porosity in the composite foam (43% vs. 76%), damage from galvanic corrosion during salt removal, and tungsten embrittlement during processing.",

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AU - Brothers, Alan H.

AU - Mangrich, Benjamin

AU - Cox, Marie

AU - Dunand, David C

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AB - Molten Vit106 (Zr57Nb5Cu15.4Ni 12.6Al10) was infiltrated into a BaF2 preform containing W particles, and quenched. Salt dissolution resulted in an open-porosity foam with struts consisting of amorphous Vit106 containing crystalline W particles. This composite foam exhibits high compressive strains (∼75%), a low plateau stress (∼30 MPa) and higher damage accumulation than prior single-phase Vit106 foams. Likely explanations are the lower porosity in the composite foam (43% vs. 76%), damage from galvanic corrosion during salt removal, and tungsten embrittlement during processing.

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