Thermal conductivity and thermal expansion of Ir3X (X = Ti, Zr, Hf, V, Nb, Ta) compounds for high-temperature applications

Yoshihiro Terada; Kenji Ohkubo; Seiji Miura; Juan M. Sanchez; Tetsuo Mori

doi:10.1016/S0254-0584(02)00109-8

Thermal conductivity and thermal expansion of Ir₃X (X = Ti, Zr, Hf, V, Nb, Ta) compounds for high-temperature applications

Yoshihiro Terada, Kenji Ohkubo, Seiji Miura, Juan M. Sanchez, Tetsuo Mori

Institute for Materials Research (IMR)

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

17 Citations (Scopus)

Abstract

Thermal conductivity and thermal expansion for Ir₃X (X=Ti, Zr, Hf, V, Nb, Ta) were measured in the temperature range between 300 and 1100 K. The thermal conductivities of Ir₃X are distributed in the range from 41 to 99 Wm^-1K^-1 at 300 K, while the difference of thermal conductivities becomes less emphasized at higher temperatures. The coefficients of thermal expansion (CTEs) of Ir₃X are insensitive to temperature, which fall around 8 × 10^-6K^-1 at 800 K.

Original language	English
Pages (from-to)	385-390
Number of pages	6
Journal	Materials Chemistry and Physics
Volume	80
Issue number	2
DOIs	https://doi.org/10.1016/S0254-0584(02)00109-8
Publication status	Published - 2003 May 26

Keywords

Arc discharges
Intermetallic compounds
Thermal conductivity
Thermal expansion

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

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10.1016/S0254-0584(02)00109-8

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title = "Thermal conductivity and thermal expansion of Ir3X (X = Ti, Zr, Hf, V, Nb, Ta) compounds for high-temperature applications",

abstract = "Thermal conductivity and thermal expansion for Ir3X (X=Ti, Zr, Hf, V, Nb, Ta) were measured in the temperature range between 300 and 1100 K. The thermal conductivities of Ir3X are distributed in the range from 41 to 99 Wm-1K-1 at 300 K, while the difference of thermal conductivities becomes less emphasized at higher temperatures. The coefficients of thermal expansion (CTEs) of Ir3X are insensitive to temperature, which fall around 8 × 10-6K-1 at 800 K.",

keywords = "Arc discharges, Intermetallic compounds, Thermal conductivity, Thermal expansion",

author = "Yoshihiro Terada and Kenji Ohkubo and Seiji Miura and Sanchez, {Juan M.} and Tetsuo Mori",

year = "2003",

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T1 - Thermal conductivity and thermal expansion of Ir3X (X = Ti, Zr, Hf, V, Nb, Ta) compounds for high-temperature applications

AU - Terada, Yoshihiro

AU - Ohkubo, Kenji

AU - Miura, Seiji

AU - Sanchez, Juan M.

AU - Mori, Tetsuo

PY - 2003/5/26

Y1 - 2003/5/26

N2 - Thermal conductivity and thermal expansion for Ir3X (X=Ti, Zr, Hf, V, Nb, Ta) were measured in the temperature range between 300 and 1100 K. The thermal conductivities of Ir3X are distributed in the range from 41 to 99 Wm-1K-1 at 300 K, while the difference of thermal conductivities becomes less emphasized at higher temperatures. The coefficients of thermal expansion (CTEs) of Ir3X are insensitive to temperature, which fall around 8 × 10-6K-1 at 800 K.

AB - Thermal conductivity and thermal expansion for Ir3X (X=Ti, Zr, Hf, V, Nb, Ta) were measured in the temperature range between 300 and 1100 K. The thermal conductivities of Ir3X are distributed in the range from 41 to 99 Wm-1K-1 at 300 K, while the difference of thermal conductivities becomes less emphasized at higher temperatures. The coefficients of thermal expansion (CTEs) of Ir3X are insensitive to temperature, which fall around 8 × 10-6K-1 at 800 K.

KW - Arc discharges

KW - Intermetallic compounds

KW - Thermal conductivity

KW - Thermal expansion

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