Mechanical Performance and Fracture Behavior of Fe41Co7Cr15Mo14Y2C15B6 Bulk Metallic Glass

Q. J. Chen; H. B. Fan; J. F. Sun; J. Shen; D. L. Zhang

doi:10.1007/978-981-96-3932-8_24

Mechanical Performance and Fracture Behavior of Fe41Co7Cr15Mo14Y2C15B6 Bulk Metallic Glass

Q. J. Chen^*
, H. B. Fan
, J. F. Sun
, J. Shen
, D. L. Zhang

^*Corresponding author for this work

Harbin Institute of Technology
University of Waikato

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

The mechanical properties of a new Fe[[inf]]41[[/inf]]Co[[inf]]7[[/inf]]Cr[[inf]]15[[/inf]]Mo[[inf]]14[[/inf]]Y[[inf]]2[[/inf]]C[[inf]]15[[/inf]]B[[inf]]6[[/inf]] bulk glassy alloy were studied by impact bending, compression, and hardness tests carried out at room temperature. The compressive fracture strength, elastic strain to fracture, Young’s modulus and Vickers hardness were measured to be 3.5 GPa, 1.5%, 265 GPa, and 1253 kg mm[[sup]]−2[[/sup]], respectively. The fracture mode of the glassy alloy under uniaxial compression is different from those of other bulk metallic glasses in that this fracture mode causes the samples to be broken, in an exploding manner, into a large number of micrometer-scale pieces. The fracture mechanisms of this bulk glassy alloy under bending and uniaxial compression are discussed based on the observation of the fracture surfaces. Vickers indentation tests indicate that the structure of the glassy ingot may be inhomogeneous.

Original language	English
Title of host publication	Fe-Based Amorphous Alloys with High Glass Forming Ability
Publisher	Springer Science+Business Media
Pages	249-259
Number of pages	11
ISBN (Electronic)	9789819639328
ISBN (Print)	9789819639311
DOIs	https://doi.org/10.1007/978-981-96-3932-8_24
State	Published - 1 Jan 2025
Externally published	Yes

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title = "Mechanical Performance and Fracture Behavior of Fe41Co7Cr15Mo14Y2C15B6 Bulk Metallic Glass",

abstract = "The mechanical properties of a new Fe[[inf]]41[[/inf]]Co[[inf]]7[[/inf]]Cr[[inf]]15[[/inf]]Mo[[inf]]14[[/inf]]Y[[inf]]2[[/inf]]C[[inf]]15[[/inf]]B[[inf]]6[[/inf]] bulk glassy alloy were studied by impact bending, compression, and hardness tests carried out at room temperature. The compressive fracture strength, elastic strain to fracture, Young{\textquoteright}s modulus and Vickers hardness were measured to be 3.5 GPa, 1.5\%, 265 GPa, and 1253 kg mm[[sup]]−2[[/sup]], respectively. The fracture mode of the glassy alloy under uniaxial compression is different from those of other bulk metallic glasses in that this fracture mode causes the samples to be broken, in an exploding manner, into a large number of micrometer-scale pieces. The fracture mechanisms of this bulk glassy alloy under bending and uniaxial compression are discussed based on the observation of the fracture surfaces. Vickers indentation tests indicate that the structure of the glassy ingot may be inhomogeneous.",

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AU - Chen, Q. J.

AU - Fan, H. B.

AU - Sun, J. F.

AU - Shen, J.

AU - Zhang, D. L.

PY - 2025/1/1

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N2 - The mechanical properties of a new Fe[[inf]]41[[/inf]]Co[[inf]]7[[/inf]]Cr[[inf]]15[[/inf]]Mo[[inf]]14[[/inf]]Y[[inf]]2[[/inf]]C[[inf]]15[[/inf]]B[[inf]]6[[/inf]] bulk glassy alloy were studied by impact bending, compression, and hardness tests carried out at room temperature. The compressive fracture strength, elastic strain to fracture, Young’s modulus and Vickers hardness were measured to be 3.5 GPa, 1.5%, 265 GPa, and 1253 kg mm[[sup]]−2[[/sup]], respectively. The fracture mode of the glassy alloy under uniaxial compression is different from those of other bulk metallic glasses in that this fracture mode causes the samples to be broken, in an exploding manner, into a large number of micrometer-scale pieces. The fracture mechanisms of this bulk glassy alloy under bending and uniaxial compression are discussed based on the observation of the fracture surfaces. Vickers indentation tests indicate that the structure of the glassy ingot may be inhomogeneous.

AB - The mechanical properties of a new Fe[[inf]]41[[/inf]]Co[[inf]]7[[/inf]]Cr[[inf]]15[[/inf]]Mo[[inf]]14[[/inf]]Y[[inf]]2[[/inf]]C[[inf]]15[[/inf]]B[[inf]]6[[/inf]] bulk glassy alloy were studied by impact bending, compression, and hardness tests carried out at room temperature. The compressive fracture strength, elastic strain to fracture, Young’s modulus and Vickers hardness were measured to be 3.5 GPa, 1.5%, 265 GPa, and 1253 kg mm[[sup]]−2[[/sup]], respectively. The fracture mode of the glassy alloy under uniaxial compression is different from those of other bulk metallic glasses in that this fracture mode causes the samples to be broken, in an exploding manner, into a large number of micrometer-scale pieces. The fracture mechanisms of this bulk glassy alloy under bending and uniaxial compression are discussed based on the observation of the fracture surfaces. Vickers indentation tests indicate that the structure of the glassy ingot may be inhomogeneous.

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SN - 9789819639311

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BT - Fe-Based Amorphous Alloys with High Glass Forming Ability

PB - Springer Science+Business Media

ER -

Mechanical Performance and Fracture Behavior of Fe41Co7Cr15Mo14Y2C15B6 Bulk Metallic Glass

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