Notch toughness of Cu-based bulk metallic glasses

Peng Jia; Zhen dong Zhu; Evan Ma; Jian Xu

doi:10.1016/j.scriptamat.2009.03.024

Notch toughness of Cu-based bulk metallic glasses

Peng Jia
, Zhen dong Zhu
, Evan Ma
, Jian Xu

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

54 Scopus citations

Abstract

We have measured the notch toughness for a range of Cu-based bulk metallic glasses (BMGs). Alloying additions that enhance the glass-forming ability (GFA) are found to degrade the toughness. Within this particular family of Cu-BMGs, toughness is more directly correlated with strength (and consequently with the shear modulus or glass transition temperature) than with the Poisson's ratio. The Cu₄₉Hf₄₂Al₉ BMG exhibits the best combination of GFA and toughness.

Original language	English
Pages (from-to)	137-140
Number of pages	4
Journal	Scripta Materialia
Volume	61
Issue number	2
DOIs	https://doi.org/10.1016/j.scriptamat.2009.03.024
State	Published - Jul 2009
Externally published	Yes

Keywords

Cu alloys
Elastic property
Metallic glasses
Toughness

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10.1016/j.scriptamat.2009.03.024

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title = "Notch toughness of Cu-based bulk metallic glasses",

abstract = "We have measured the notch toughness for a range of Cu-based bulk metallic glasses (BMGs). Alloying additions that enhance the glass-forming ability (GFA) are found to degrade the toughness. Within this particular family of Cu-BMGs, toughness is more directly correlated with strength (and consequently with the shear modulus or glass transition temperature) than with the Poisson's ratio. The Cu49Hf42Al9 BMG exhibits the best combination of GFA and toughness.",

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author = "Peng Jia and Zhu, \{Zhen dong\} and Evan Ma and Jian Xu",

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AU - Jia, Peng

AU - Zhu, Zhen dong

AU - Ma, Evan

AU - Xu, Jian

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N2 - We have measured the notch toughness for a range of Cu-based bulk metallic glasses (BMGs). Alloying additions that enhance the glass-forming ability (GFA) are found to degrade the toughness. Within this particular family of Cu-BMGs, toughness is more directly correlated with strength (and consequently with the shear modulus or glass transition temperature) than with the Poisson's ratio. The Cu49Hf42Al9 BMG exhibits the best combination of GFA and toughness.

AB - We have measured the notch toughness for a range of Cu-based bulk metallic glasses (BMGs). Alloying additions that enhance the glass-forming ability (GFA) are found to degrade the toughness. Within this particular family of Cu-BMGs, toughness is more directly correlated with strength (and consequently with the shear modulus or glass transition temperature) than with the Poisson's ratio. The Cu49Hf42Al9 BMG exhibits the best combination of GFA and toughness.

KW - Cu alloys

KW - Elastic property

KW - Metallic glasses

KW - Toughness

UR - https://www.scopus.com/pages/publications/65449175696

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DO - 10.1016/j.scriptamat.2009.03.024

M3 - 文章

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JO - Scripta Materialia

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ER -

Notch toughness of Cu-based bulk metallic glasses

Abstract

Keywords

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