Structure and mechanical properties of bulk glass-forming Ni-Nb-Sn alloys

Haein Choi-Yim; Donghua Xu; Mary Laura Lind; Jörg F. Löffler; William L. Johnson

doi:10.1016/j.scriptamat.2005.09.040

Structure and mechanical properties of bulk glass-forming Ni-Nb-Sn alloys

Haein Choi-Yim, Donghua Xu, Mary Laura Lind, Jörg F. Löffler, William L. Johnson

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

26 Scopus citations

Abstract

Ternary alloys of composition Ni₆₀Nb_40-xSn _x, with 3 ≤ x < 9, were found to form bulk metallic glasses. These alloys exhibit a high elastic modulus and measured compressive yield strength between 1.8 and 2.8 GPa. The measured yield strength of these ternary alloys depends strongly on their Sn content and is generally lower than the strength estimated from modulus and hardness. The tendency to phase separation suggested by small-angle neutron scattering experiments is used to account for the obvious discrepancy between the measured and the theoretical strengths.

Original language	English (US)
Pages (from-to)	187-190
Number of pages	4
Journal	Scripta Materialia
Volume	54
Issue number	2
DOIs	https://doi.org/10.1016/j.scriptamat.2005.09.040
State	Published - Jan 2006
Externally published	Yes

Keywords

Composites
Mechanical properties
Metallic glasses
Phase separation

ASJC Scopus subject areas

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

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10.1016/j.scriptamat.2005.09.040

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title = "Structure and mechanical properties of bulk glass-forming Ni-Nb-Sn alloys",

abstract = "Ternary alloys of composition Ni60Nb40-xSn x, with 3 ≤ x < 9, were found to form bulk metallic glasses. These alloys exhibit a high elastic modulus and measured compressive yield strength between 1.8 and 2.8 GPa. The measured yield strength of these ternary alloys depends strongly on their Sn content and is generally lower than the strength estimated from modulus and hardness. The tendency to phase separation suggested by small-angle neutron scattering experiments is used to account for the obvious discrepancy between the measured and the theoretical strengths.",

keywords = "Composites, Mechanical properties, Metallic glasses, Phase separation",

author = "Haein Choi-Yim and Donghua Xu and Lind, {Mary Laura} and L{\"o}ffler, {J{\"o}rg F.} and Johnson, {William L.}",

year = "2006",

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doi = "10.1016/j.scriptamat.2005.09.040",

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T1 - Structure and mechanical properties of bulk glass-forming Ni-Nb-Sn alloys

AU - Choi-Yim, Haein

AU - Xu, Donghua

AU - Lind, Mary Laura

AU - Löffler, Jörg F.

AU - Johnson, William L.

PY - 2006/1

Y1 - 2006/1

N2 - Ternary alloys of composition Ni60Nb40-xSn x, with 3 ≤ x < 9, were found to form bulk metallic glasses. These alloys exhibit a high elastic modulus and measured compressive yield strength between 1.8 and 2.8 GPa. The measured yield strength of these ternary alloys depends strongly on their Sn content and is generally lower than the strength estimated from modulus and hardness. The tendency to phase separation suggested by small-angle neutron scattering experiments is used to account for the obvious discrepancy between the measured and the theoretical strengths.

AB - Ternary alloys of composition Ni60Nb40-xSn x, with 3 ≤ x < 9, were found to form bulk metallic glasses. These alloys exhibit a high elastic modulus and measured compressive yield strength between 1.8 and 2.8 GPa. The measured yield strength of these ternary alloys depends strongly on their Sn content and is generally lower than the strength estimated from modulus and hardness. The tendency to phase separation suggested by small-angle neutron scattering experiments is used to account for the obvious discrepancy between the measured and the theoretical strengths.

KW - Composites

KW - Mechanical properties

KW - Metallic glasses

KW - Phase separation

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DO - 10.1016/j.scriptamat.2005.09.040

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VL - 54

SP - 187

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JO - Scripta Materialia

JF - Scripta Materialia

IS - 2

ER -

Structure and mechanical properties of bulk glass-forming Ni-Nb-Sn alloys

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Keywords

ASJC Scopus subject areas

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