An investigation of the phase diagram of the Al-Ir binary system

Machiko Ode; Taichi Abe; Hideyuki Murakami; Yoko Yamabe-Mitarai; Toru Hara; Kosuke Nagashio; Cenk Kocer; Hidehiro Onodera

doi:10.1016/j.intermet.2008.06.020

An investigation of the phase diagram of the Al-Ir binary system

Machiko Ode^*, Taichi Abe, Hideyuki Murakami, Yoko Yamabe-Mitarai, Toru Hara, Kosuke Nagashio, Cenk Kocer, Hidehiro Onodera

^*この研究の対応する著者

研究成果: Article › 査読

17 被引用数 (Scopus)

抄録

Al-rich portion of the Ir-Al phase diagram has been investigated with 10 alloys by means of differential thermal analysis, X-ray diffraction, scanning electron microscopy, inductivity coupled plasma spectrometry and electron probe microanalysis. Invariant reactions are observed: L ↔ AlIr + Al_2.7Ir, L + Al_2.7Ir ↔ Al₃Ir, L + Al₃Ir ↔ Al₁₃Ir₄, L + Al₁₃Ir₄ ↔ Al₉Ir₂. Although the eutectic reaction, L ↔ AlIr + Al_2.7Ir, cannot be regarded as definitely established by previous research, it is confirmed in the present research. Liquidus curve has been determined for the first time for Al-rich alloy (Ir ≤ 33.0 at%). The Ir-Al binary phase diagram has been modified based on these experimental observations.

本文言語	English
ページ（範囲）	1171-1178
ページ数	8
ジャーナル	Intermetallics
巻	16
号	10
DOI	https://doi.org/10.1016/j.intermet.2008.06.020
出版ステータス	Published - 2008 10月 1
外部発表	はい

ASJC Scopus subject areas

化学 (全般)
材料力学
機械工学
金属および合金
材料化学

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10.1016/j.intermet.2008.06.020

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title = "An investigation of the phase diagram of the Al-Ir binary system",

abstract = "Al-rich portion of the Ir-Al phase diagram has been investigated with 10 alloys by means of differential thermal analysis, X-ray diffraction, scanning electron microscopy, inductivity coupled plasma spectrometry and electron probe microanalysis. Invariant reactions are observed: L ↔ AlIr + Al2.7Ir, L + Al2.7Ir ↔ Al3Ir, L + Al3Ir ↔ Al13Ir4, L + Al13Ir4 ↔ Al9Ir2. Although the eutectic reaction, L ↔ AlIr + Al2.7Ir, cannot be regarded as definitely established by previous research, it is confirmed in the present research. Liquidus curve has been determined for the first time for Al-rich alloy (Ir ≤ 33.0 at%). The Ir-Al binary phase diagram has been modified based on these experimental observations.",

keywords = "A. Aluminides, miscellaneous, B. Phase diagrams, B. Phase identification, D. Microstructure, F. Calorimetry",

author = "Machiko Ode and Taichi Abe and Hideyuki Murakami and Yoko Yamabe-Mitarai and Toru Hara and Kosuke Nagashio and Cenk Kocer and Hidehiro Onodera",

year = "2008",

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doi = "10.1016/j.intermet.2008.06.020",

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AU - Ode, Machiko

AU - Abe, Taichi

AU - Murakami, Hideyuki

AU - Yamabe-Mitarai, Yoko

AU - Hara, Toru

AU - Nagashio, Kosuke

AU - Kocer, Cenk

AU - Onodera, Hidehiro

PY - 2008/10/1

Y1 - 2008/10/1

N2 - Al-rich portion of the Ir-Al phase diagram has been investigated with 10 alloys by means of differential thermal analysis, X-ray diffraction, scanning electron microscopy, inductivity coupled plasma spectrometry and electron probe microanalysis. Invariant reactions are observed: L ↔ AlIr + Al2.7Ir, L + Al2.7Ir ↔ Al3Ir, L + Al3Ir ↔ Al13Ir4, L + Al13Ir4 ↔ Al9Ir2. Although the eutectic reaction, L ↔ AlIr + Al2.7Ir, cannot be regarded as definitely established by previous research, it is confirmed in the present research. Liquidus curve has been determined for the first time for Al-rich alloy (Ir ≤ 33.0 at%). The Ir-Al binary phase diagram has been modified based on these experimental observations.

AB - Al-rich portion of the Ir-Al phase diagram has been investigated with 10 alloys by means of differential thermal analysis, X-ray diffraction, scanning electron microscopy, inductivity coupled plasma spectrometry and electron probe microanalysis. Invariant reactions are observed: L ↔ AlIr + Al2.7Ir, L + Al2.7Ir ↔ Al3Ir, L + Al3Ir ↔ Al13Ir4, L + Al13Ir4 ↔ Al9Ir2. Although the eutectic reaction, L ↔ AlIr + Al2.7Ir, cannot be regarded as definitely established by previous research, it is confirmed in the present research. Liquidus curve has been determined for the first time for Al-rich alloy (Ir ≤ 33.0 at%). The Ir-Al binary phase diagram has been modified based on these experimental observations.

KW - A. Aluminides, miscellaneous

KW - B. Phase diagrams

KW - B. Phase identification

KW - D. Microstructure

KW - F. Calorimetry

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U2 - 10.1016/j.intermet.2008.06.020

DO - 10.1016/j.intermet.2008.06.020

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VL - 16

SP - 1171

EP - 1178

JO - Intermetallics

JF - Intermetallics

IS - 10

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An investigation of the phase diagram of the Al-Ir binary system

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