Large compressive plasticity in a la-based glass-crystal composite

Shantanu V. Madge; Dmitri V. Louzguine-Luzgin; Akihisa Inoue; Alan Lindsay Greer

doi:10.3390/met3010041

Large compressive plasticity in a la-based glass-crystal composite

Shantanu V. Madge, Dmitri V. Louzguine-Luzgin, Akihisa Inoue, Alan Lindsay Greer

Advanced Institute for Materials Research (AIMR)

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

14 Citations (Scopus)

Abstract

La₅₅Al₂₅Cu₁₀Ni₁₀ metallic glass has been reinforced with 325-mesh Ta particles to obtain ex situ glass-crystal composites. The composites show a high compressive plasticity (40%) with a minor reduction (~8%) in yield strength—a combination unprecedented for La-based systems and even surpassing some Zr-based glassy composites that utilize a tougher matrix. However, it is also found that the plastic strain is apparently sensitive to defects, like oxides, in the glassy matrix.

Original language	English
Pages (from-to)	41-48
Number of pages	8
Journal	Metals
Volume	3
Issue number	1
DOIs	https://doi.org/10.3390/met3010041
Publication status	Published - 2013 Mar 1

Keywords

Bulk metallic glasses
Composites
Plasticity
Toughness

ASJC Scopus subject areas

Materials Science(all)

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10.3390/met3010041

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abstract = "La55Al25Cu10Ni10 metallic glass has been reinforced with 325-mesh Ta particles to obtain ex situ glass-crystal composites. The composites show a high compressive plasticity (40%) with a minor reduction (~8%) in yield strength—a combination unprecedented for La-based systems and even surpassing some Zr-based glassy composites that utilize a tougher matrix. However, it is also found that the plastic strain is apparently sensitive to defects, like oxides, in the glassy matrix.",

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AU - Madge, Shantanu V.

AU - Louzguine-Luzgin, Dmitri V.

AU - Inoue, Akihisa

AU - Greer, Alan Lindsay

PY - 2013/3/1

Y1 - 2013/3/1

N2 - La55Al25Cu10Ni10 metallic glass has been reinforced with 325-mesh Ta particles to obtain ex situ glass-crystal composites. The composites show a high compressive plasticity (40%) with a minor reduction (~8%) in yield strength—a combination unprecedented for La-based systems and even surpassing some Zr-based glassy composites that utilize a tougher matrix. However, it is also found that the plastic strain is apparently sensitive to defects, like oxides, in the glassy matrix.

AB - La55Al25Cu10Ni10 metallic glass has been reinforced with 325-mesh Ta particles to obtain ex situ glass-crystal composites. The composites show a high compressive plasticity (40%) with a minor reduction (~8%) in yield strength—a combination unprecedented for La-based systems and even surpassing some Zr-based glassy composites that utilize a tougher matrix. However, it is also found that the plastic strain is apparently sensitive to defects, like oxides, in the glassy matrix.

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KW - Composites

KW - Plasticity

KW - Toughness

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Large compressive plasticity in a la-based glass-crystal composite

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Keywords

ASJC Scopus subject areas

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