Easy glass formation in Mg64Ni21Nd15 by Bridgman solidification

Y. Li; H. Y. Liu; H. A. Davies; H. Jones

doi:10.1016/0921-5093(94)90281-X

Easy glass formation in Mg₆₄Ni₂₁Nd₁₅ by Bridgman solidification

Y. Li^*
, H. Y. Liu
, H. A. Davies
, H. Jones

^*Corresponding author for this work

University of Sheffield

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

29 Scopus citations

Abstract

Easy glass-forming Mg₆₄Ni₂₁Nd₁₅ alloy was subjected to Bridgman steady state directional solidification at growth velocities between 0.5 and 2.4 mm s^-1 through a temperature gradient of about 15 K mm^-1. X-ray diffraction (XRD) indicated crystalline solidification structure at 0.5 and 1.0 mm s^-1, amorphous with some residual crystallinity at 1.7 mm s^-1 and fully amorphous at 2.4 mm s^-1. The strongest XRD peaks at 0.5 and 1.0 mm s^-1 correspond to Mg₃Nd, the other phases present being, as yet, unidentified. Values of T_g and T_x of 467 K and 507 K respectively, determined by differential scanning calorimetry for the amorphous condition, match well our previous determinations from chill-cast or melt-spun ribbon of similar alloy composition. The significance of these results for an improved understanding of glass formation in this and related easy glass-forming systems is discussed.

Original language	English
Pages (from-to)	628-631
Number of pages	4
Journal	Materials Science and Engineering: A
Volume	179-180
Issue number	PART 1
DOIs	https://doi.org/10.1016/0921-5093(94)90281-X
State	Published - 1 May 1994
Externally published	Yes

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title = "Easy glass formation in Mg64Ni21Nd15 by Bridgman solidification",

abstract = "Easy glass-forming Mg64Ni21Nd15 alloy was subjected to Bridgman steady state directional solidification at growth velocities between 0.5 and 2.4 mm s-1 through a temperature gradient of about 15 K mm-1. X-ray diffraction (XRD) indicated crystalline solidification structure at 0.5 and 1.0 mm s-1, amorphous with some residual crystallinity at 1.7 mm s-1 and fully amorphous at 2.4 mm s-1. The strongest XRD peaks at 0.5 and 1.0 mm s-1 correspond to Mg3Nd, the other phases present being, as yet, unidentified. Values of Tg and Tx of 467 K and 507 K respectively, determined by differential scanning calorimetry for the amorphous condition, match well our previous determinations from chill-cast or melt-spun ribbon of similar alloy composition. The significance of these results for an improved understanding of glass formation in this and related easy glass-forming systems is discussed.",

author = "Y. Li and Liu, \{H. Y.\} and Davies, \{H. A.\} and H. Jones",

year = "1994",

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doi = "10.1016/0921-5093(94)90281-X",

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T1 - Easy glass formation in Mg64Ni21Nd15 by Bridgman solidification

AU - Li, Y.

AU - Liu, H. Y.

AU - Davies, H. A.

AU - Jones, H.

PY - 1994/5/1

Y1 - 1994/5/1

N2 - Easy glass-forming Mg64Ni21Nd15 alloy was subjected to Bridgman steady state directional solidification at growth velocities between 0.5 and 2.4 mm s-1 through a temperature gradient of about 15 K mm-1. X-ray diffraction (XRD) indicated crystalline solidification structure at 0.5 and 1.0 mm s-1, amorphous with some residual crystallinity at 1.7 mm s-1 and fully amorphous at 2.4 mm s-1. The strongest XRD peaks at 0.5 and 1.0 mm s-1 correspond to Mg3Nd, the other phases present being, as yet, unidentified. Values of Tg and Tx of 467 K and 507 K respectively, determined by differential scanning calorimetry for the amorphous condition, match well our previous determinations from chill-cast or melt-spun ribbon of similar alloy composition. The significance of these results for an improved understanding of glass formation in this and related easy glass-forming systems is discussed.

AB - Easy glass-forming Mg64Ni21Nd15 alloy was subjected to Bridgman steady state directional solidification at growth velocities between 0.5 and 2.4 mm s-1 through a temperature gradient of about 15 K mm-1. X-ray diffraction (XRD) indicated crystalline solidification structure at 0.5 and 1.0 mm s-1, amorphous with some residual crystallinity at 1.7 mm s-1 and fully amorphous at 2.4 mm s-1. The strongest XRD peaks at 0.5 and 1.0 mm s-1 correspond to Mg3Nd, the other phases present being, as yet, unidentified. Values of Tg and Tx of 467 K and 507 K respectively, determined by differential scanning calorimetry for the amorphous condition, match well our previous determinations from chill-cast or melt-spun ribbon of similar alloy composition. The significance of these results for an improved understanding of glass formation in this and related easy glass-forming systems is discussed.

UR - https://www.scopus.com/pages/publications/0028428021

U2 - 10.1016/0921-5093(94)90281-X

DO - 10.1016/0921-5093(94)90281-X

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SN - 0921-5093

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JO - Materials Science and Engineering: A

JF - Materials Science and Engineering: A

IS - PART 1

ER -

Easy glass formation in Mg₆₄Ni₂₁Nd₁₅ by Bridgman solidification

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