New La-based glass-crystal ex situ composites with enhanced toughness

Shantanu V. Madge; Parmanand Sharma; Dmitri V. Louzguine-Luzgin; A. Lindsay Greer; Akihisa Inoue

doi:10.1016/j.scriptamat.2009.10.029

New La-based glass-crystal ex situ composites with enhanced toughness

Shantanu V. Madge, Parmanand Sharma, Dmitri V. Louzguine-Luzgin, A. Lindsay Greer, Akihisa Inoue

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

24 Citations (Scopus)

Abstract

Ex situ composites have been synthesized by reinforcing the brittle La₅₅Al₂₅Cu₁₀Ni₁₀ bulk metallic glass with varying volume fractions of spherical Ti particles. Ti is effective in significantly enhancing toughness, and optimum properties are obtained with just 20 vol.% Ti, where the compressive failure strain reaches 15% while maintaining a high strength (700 MPa). The combination of properties achieved appears to be the best among all known La-based glassy composites, which is explained in terms of the toughness of the reinforcement used.

Original language	English
Pages (from-to)	210-213
Number of pages	4
Journal	Scripta Materialia
Volume	62
Issue number	4
DOIs	https://doi.org/10.1016/j.scriptamat.2009.10.029
Publication status	Published - 2010 Feb

Keywords

Bulk metallic glasses
Composites
La-based glasses
Plasticity
Toughness

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10.1016/j.scriptamat.2009.10.029

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abstract = "Ex situ composites have been synthesized by reinforcing the brittle La55Al25Cu10Ni10 bulk metallic glass with varying volume fractions of spherical Ti particles. Ti is effective in significantly enhancing toughness, and optimum properties are obtained with just 20 vol.% Ti, where the compressive failure strain reaches 15% while maintaining a high strength (700 MPa). The combination of properties achieved appears to be the best among all known La-based glassy composites, which is explained in terms of the toughness of the reinforcement used.",

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AU - Madge, Shantanu V.

AU - Sharma, Parmanand

AU - Louzguine-Luzgin, Dmitri V.

AU - Greer, A. Lindsay

AU - Inoue, Akihisa

PY - 2010/2

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AB - Ex situ composites have been synthesized by reinforcing the brittle La55Al25Cu10Ni10 bulk metallic glass with varying volume fractions of spherical Ti particles. Ti is effective in significantly enhancing toughness, and optimum properties are obtained with just 20 vol.% Ti, where the compressive failure strain reaches 15% while maintaining a high strength (700 MPa). The combination of properties achieved appears to be the best among all known La-based glassy composites, which is explained in terms of the toughness of the reinforcement used.

KW - Bulk metallic glasses

KW - Composites

KW - La-based glasses

KW - Plasticity

KW - Toughness

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New La-based glass-crystal ex situ composites with enhanced toughness

Abstract

Keywords

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