TEM Observation of Interfaces between Particles in Al-Mg Alloy Powder Compacts Prepared by Pulse Electric Current Sintering
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- Xie Guoqiang
- Graduate School of Science and Technology, Niigata University
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- Ohashi Osamu
- Graduate School of Science and Technology, Niigata University
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- Yamaguchi Norio
- Graduate School of Science and Technology, Niigata University
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- Song Minghui
- National Institute for Materials Science
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- Furuya Kazuo
- National Institute for Materials Science
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- Noda Tetsuji
- National Institute for Materials Science
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Abstract
Aluminum–Magnesium (Al–Mg) alloys powders with various amounts of Mg addition were sintered using the pulse electric current sintering (PECS) process. The behavior of Mg in the surface oxide film and the effect of Mg amounts on characters of the interfaces between Al–Mg alloys powder particles were investigated using transmission electron microscopy (TEM) and energy dispersive X-ray spectroscopy (EDS). The results showed that there were interfaces of direct metal/metal bonding and metal/oxide layer/metal bonding for all Al–Mg alloys powders compacts. In pure Al powder compacts, the oxide layer in the interface was amorphous alumina. And precipitates were observed in the bonding interface for the alloys powders compacts with Mg addition. The amounts of the precipitates increased, and the compositions of the precipitates changed with an increase in Mg amount in the alloys powders: MgAl2O4 for Al–0.3Mg, MgAl2O4+MgO for Al–1.0Mg, and MgO for Al–2.5, 10Mg alloys powders compacts.
Journal
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 43 (9), 2177-2180, 2002
The Japan Institute of Metals and Materials
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Details 詳細情報について
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- CRID
- 1390001204247049472
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- NII Article ID
- 10012325886
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- NII Book ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BD38XnvFGqs7g%3D
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- ISSN
- 13475320
- 13459678
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- NDL BIB ID
- 6312547
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed