Nanostructural control by additive Pd in cast Zr50Cu 40Al10 glassy alloys with good fatigue properties

Y. Yokoyama; M. Nishijima; K. Hiraga; P. K. Liaw; A. Inoue

doi:10.4028/www.scientific.net/JMNM.24-25.677

Nanostructural control by additive Pd in cast Zr₅₀Cu ₄₀Al₁₀ glassy alloys with good fatigue properties

Y. Yokoyama, M. Nishijima, K. Hiraga, P. K. Liaw, A. Inoue

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

3 Citations (Scopus)

Abstract

Relative value of free volume can be estimated by density measurement of bulk glassy alloys (BGAs) with the same shape. A Wohler curve of Zr ₅₀Cu₄₀Al₁₀BGAs indicates two drawbacks, one is low fatigue limit and another is significant decrease in fatigue strength in the cycle range of 10³ to 10⁴. However, these drawbacks can be improved by addition of Pd element, which can promote excess free volume and nano-network structure formation. Therefore, the Zr₅₀Cu ₃₇Al₁₀Pd₃ BGA indicates a significant increase of fatigue limit over 1 GPa.

Original language	English
Pages (from-to)	677-680
Number of pages	4
Journal	Journal of Metastable and Nanocrystalline Materials
Volume	24-25
DOIs	https://doi.org/10.4028/www.scientific.net/JMNM.24-25.677
Publication status	Published - 2005

Keywords

Bulk glassy alloy
Fatigue limit
Free volume
Nano-network structure
Rotating-beam fatigue test
Wohler curve
Zrcu aipd
Zrcuai

ASJC Scopus subject areas

Materials Science (miscellaneous)
Materials Science(all)
Condensed Matter Physics
Physical and Theoretical Chemistry

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title = "Nanostructural control by additive Pd in cast Zr50Cu 40Al10 glassy alloys with good fatigue properties",

abstract = "Relative value of free volume can be estimated by density measurement of bulk glassy alloys (BGAs) with the same shape. A Wohler curve of Zr 50Cu40Al10BGAs indicates two drawbacks, one is low fatigue limit and another is significant decrease in fatigue strength in the cycle range of 103 to 104. However, these drawbacks can be improved by addition of Pd element, which can promote excess free volume and nano-network structure formation. Therefore, the Zr50Cu 37Al10Pd3 BGA indicates a significant increase of fatigue limit over 1 GPa.",

keywords = "Bulk glassy alloy, Fatigue limit, Free volume, Nano-network structure, Rotating-beam fatigue test, Wohler curve, Zrcu aipd, Zrcuai",

author = "Y. Yokoyama and M. Nishijima and K. Hiraga and Liaw, {P. K.} and A. Inoue",

year = "2005",

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language = "English",

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AU - Yokoyama, Y.

AU - Nishijima, M.

AU - Hiraga, K.

AU - Liaw, P. K.

AU - Inoue, A.

PY - 2005

Y1 - 2005

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AB - Relative value of free volume can be estimated by density measurement of bulk glassy alloys (BGAs) with the same shape. A Wohler curve of Zr 50Cu40Al10BGAs indicates two drawbacks, one is low fatigue limit and another is significant decrease in fatigue strength in the cycle range of 103 to 104. However, these drawbacks can be improved by addition of Pd element, which can promote excess free volume and nano-network structure formation. Therefore, the Zr50Cu 37Al10Pd3 BGA indicates a significant increase of fatigue limit over 1 GPa.

KW - Bulk glassy alloy

KW - Fatigue limit

KW - Free volume

KW - Nano-network structure

KW - Rotating-beam fatigue test

KW - Wohler curve

KW - Zrcu aipd

KW - Zrcuai

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