Thermal expansion of Al3Sc and Al3(Sc0.75X0.25)

Y. Harada; D. C. Dunand

doi:10.1016/S1359-6462(02)00428-1

Thermal expansion of Al₃Sc and Al₃(Sc_0.75X_0.25)

Y. Harada, D. C. Dunand^*

^*Corresponding author for this work

Materials Science and Engineering

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

92 Scopus citations

Abstract

The thermal expansion coefficient of Al₃Sc and Al₃(Sc_0.75X_0.25), where X is Ti, Y, Zr or Hf, was measured by dilatometry between 25 and 1000 °C. The measured value, (16±1) × 10^-6 K^-1, is constant between 25 and 900 °C and insensitive to alloying element. Good agreement is found with a literature value determined from first-principle calculations.

Original language	English (US)
Pages (from-to)	219-222
Number of pages	4
Journal	Scripta Materialia
Volume	48
Issue number	3
DOIs	https://doi.org/10.1016/S1359-6462(02)00428-1
State	Published - Feb 2003

Funding

D.C.D. acknowledges the support of the Department of Energy, through grant DE-FG02-98ER45721. The authors also thank Professor Y. Matsumoto (Oita National College of Technology) for help in CTE measurements and Professor M. Morinaga’s (Nagoya University) for use of his arc-melter.

Keywords

Aluminum alloys
Intermetallic compound
Scandium
Thermal expansion

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

Access to Document

10.1016/S1359-6462(02)00428-1

Cite this

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title = "Thermal expansion of Al3Sc and Al3(Sc0.75X0.25)",

abstract = "The thermal expansion coefficient of Al3Sc and Al3(Sc0.75X0.25), where X is Ti, Y, Zr or Hf, was measured by dilatometry between 25 and 1000 °C. The measured value, (16±1) × 10-6 K-1, is constant between 25 and 900 °C and insensitive to alloying element. Good agreement is found with a literature value determined from first-principle calculations.",

keywords = "Aluminum alloys, Intermetallic compound, Scandium, Thermal expansion",

author = "Y. Harada and Dunand, \{D. C.\}",

note = "Funding Information: D.C.D. acknowledges the support of the Department of Energy, through grant DE-FG02-98ER45721. The authors also thank Professor Y. Matsumoto (Oita National College of Technology) for help in CTE measurements and Professor M. Morinaga{\textquoteright}s (Nagoya University) for use of his arc-melter.",

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doi = "10.1016/S1359-6462(02)00428-1",

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AU - Harada, Y.

AU - Dunand, D. C.

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N2 - The thermal expansion coefficient of Al3Sc and Al3(Sc0.75X0.25), where X is Ti, Y, Zr or Hf, was measured by dilatometry between 25 and 1000 °C. The measured value, (16±1) × 10-6 K-1, is constant between 25 and 900 °C and insensitive to alloying element. Good agreement is found with a literature value determined from first-principle calculations.

AB - The thermal expansion coefficient of Al3Sc and Al3(Sc0.75X0.25), where X is Ti, Y, Zr or Hf, was measured by dilatometry between 25 and 1000 °C. The measured value, (16±1) × 10-6 K-1, is constant between 25 and 900 °C and insensitive to alloying element. Good agreement is found with a literature value determined from first-principle calculations.

KW - Aluminum alloys

KW - Intermetallic compound

KW - Scandium

KW - Thermal expansion

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