Behavior of oxide film at interface between particles of Al-Mg alloy powder compacts prepared by pulse electric current sintering

Guoqiang Xie; Osamu Ohashi; Norio Yamaguchi; Minghui Song; Kazutaka Mitsuishi; Kazuo Furuya; Tetsuji Noda

doi:10.1143/jjap.42.4725

Behavior of oxide film at interface between particles of Al-Mg alloy powder compacts prepared by pulse electric current sintering

Guoqiang Xie, Osamu Ohashi, Norio Yamaguchi, Minghui Song, Kazutaka Mitsuishi, Kazuo Furuya, Tetsuji Noda

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

24 Citations (Scopus)

Abstract

Al-1.0 mass% Mg alloy powders were sintered using the pulse electric current sintering (PECS) process at various temperatures. The microstructure at the interfaces between powder particles and the effect of sintering temperature on interface characteristics were investigated using transmission electron microscopy (TEM) and energy dispersive X-ray spectroscopy (EDS). The precipitates were observed at the interfaces between powder particles of the compacts. The amounts of the precipitates increased and the compositions changed with an increase in sintering temperature: MgO for the compact sintered at 613 K, MgAl₂O₄ + MgO for those at 663 K and 713 K, and MgAl₂O₄ for those above 763 K. Comparing the results obtained by the PECS process with those of diffusion bonding experiments and thermodynamic calculation, it was suggested that the temperature at the interfaces between the particles was higher than that of the particles sintered by the PECS process.

Original language	English
Pages (from-to)	4725-4728
Number of pages	4
Journal	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume	42
Issue number	7 B
DOIs	https://doi.org/10.1143/jjap.42.4725
Publication status	Published - 2003 Jul
Externally published	Yes

Keywords

Al-Mg alloy
EDS
Interface
PECS
TEM

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

Access to Document

10.1143/jjap.42.4725

Cite this

Xie, G., Ohashi, O., Yamaguchi, N., Song, M., Mitsuishi, K., Furuya, K., & Noda, T. (2003). Behavior of oxide film at interface between particles of Al-Mg alloy powder compacts prepared by pulse electric current sintering. Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, 42(7 B), 4725-4728. https://doi.org/10.1143/jjap.42.4725

Behavior of oxide film at interface between particles of Al-Mg alloy powder compacts prepared by pulse electric current sintering. / Xie, Guoqiang; Ohashi, Osamu; Yamaguchi, Norio et al.
In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 42, No. 7 B, 07.2003, p. 4725-4728.

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

Xie, G, Ohashi, O, Yamaguchi, N, Song, M, Mitsuishi, K, Furuya, K & Noda, T 2003, 'Behavior of oxide film at interface between particles of Al-Mg alloy powder compacts prepared by pulse electric current sintering', Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, vol. 42, no. 7 B, pp. 4725-4728. https://doi.org/10.1143/jjap.42.4725

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abstract = "Al-1.0 mass% Mg alloy powders were sintered using the pulse electric current sintering (PECS) process at various temperatures. The microstructure at the interfaces between powder particles and the effect of sintering temperature on interface characteristics were investigated using transmission electron microscopy (TEM) and energy dispersive X-ray spectroscopy (EDS). The precipitates were observed at the interfaces between powder particles of the compacts. The amounts of the precipitates increased and the compositions changed with an increase in sintering temperature: MgO for the compact sintered at 613 K, MgAl2O4 + MgO for those at 663 K and 713 K, and MgAl2O4 for those above 763 K. Comparing the results obtained by the PECS process with those of diffusion bonding experiments and thermodynamic calculation, it was suggested that the temperature at the interfaces between the particles was higher than that of the particles sintered by the PECS process.",

keywords = "Al-Mg alloy, EDS, Interface, PECS, TEM",

author = "Guoqiang Xie and Osamu Ohashi and Norio Yamaguchi and Minghui Song and Kazutaka Mitsuishi and Kazuo Furuya and Tetsuji Noda",

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AU - Ohashi, Osamu

AU - Yamaguchi, Norio

AU - Song, Minghui

AU - Mitsuishi, Kazutaka

AU - Furuya, Kazuo

AU - Noda, Tetsuji

PY - 2003/7

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AB - Al-1.0 mass% Mg alloy powders were sintered using the pulse electric current sintering (PECS) process at various temperatures. The microstructure at the interfaces between powder particles and the effect of sintering temperature on interface characteristics were investigated using transmission electron microscopy (TEM) and energy dispersive X-ray spectroscopy (EDS). The precipitates were observed at the interfaces between powder particles of the compacts. The amounts of the precipitates increased and the compositions changed with an increase in sintering temperature: MgO for the compact sintered at 613 K, MgAl2O4 + MgO for those at 663 K and 713 K, and MgAl2O4 for those above 763 K. Comparing the results obtained by the PECS process with those of diffusion bonding experiments and thermodynamic calculation, it was suggested that the temperature at the interfaces between the particles was higher than that of the particles sintered by the PECS process.

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Behavior of oxide film at interface between particles of Al-Mg alloy powder compacts prepared by pulse electric current sintering

Abstract

Keywords

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