TEM observation of HPT-processed cu-added excess Mg-type Al-Mg-Si alloys

Shun Maruno; Katsumi Watanabe; Kenji Matsuda; Seiji Saikawa; Shoichi Hirosawa; Zen Ji Horita; Seungwon Lee; Daisuke Terada

doi:10.4028/www.scientific.net/MSF.794-796.811

TEM observation of HPT-processed cu-added excess Mg-type Al-Mg-Si alloys

Shun Maruno, Katsumi Watanabe, Kenji Matsuda, Seiji Saikawa, Shoichi Hirosawa, Zen Ji Horita, Seungwon Lee, Daisuke Terada

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Severe plastic deformation (SPD) techniques, such as equal channel angular pressing (ECAP), accumulative roll bonding (ARB) and high pressure torsion (HPT) have been extensively investigated to achieve. SPD techniques make use of plastic deformation process where no change in the cross-sectional dimension of a work piece occurs during straining. In this work, the effect of HPT on the aging behavior and microstructure in excess Mg-type Al-Mg-Si alloys including Cu are investigated. These alloys were investigated by hardness test and transmission electron microscopy (TEM) observation. The results show that processing by HPT leads to significant grain refinement with a grain size of 200-250nm.An age-hardening phenomenon is observed at 343K and 373K for the Al-Mg-Si alloys with HPT. Some precipitates were observed on grain boundaries.

Original language	English
Title of host publication	Aluminium Alloys, ICAA 2014
Editors	Knut Marthinsen, Bjørn Holmedal, Yanjun Li
Publisher	Trans Tech Publications Ltd
Pages	811-814
Number of pages	4
ISBN (Print)	9783038351207, 9783038351207
DOIs	https://doi.org/10.4028/www.scientific.net/MSF.794-796.811
Publication status	Published - 2014
Event	14th International Conference on Aluminium Alloys, ICAA 2014 - Trondheim, Norway Duration: Jun 15 2014 → Jun 19 2014

Publication series

Name	Materials Science Forum
Volume	794-796
ISSN (Print)	0255-5476
ISSN (Electronic)	1662-9752

Other

Other	14th International Conference on Aluminium Alloys, ICAA 2014
Country/Territory	Norway
City	Trondheim
Period	6/15/14 → 6/19/14

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

Access to Document

10.4028/www.scientific.net/MSF.794-796.811

Cite this

Maruno, S., Watanabe, K., Matsuda, K., Saikawa, S., Hirosawa, S., Horita, Z. J., Lee, S., & Terada, D. (2014). TEM observation of HPT-processed cu-added excess Mg-type Al-Mg-Si alloys. In K. Marthinsen, B. Holmedal, & Y. Li (Eds.), Aluminium Alloys, ICAA 2014 (pp. 811-814). (Materials Science Forum; Vol. 794-796). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/MSF.794-796.811

TEM observation of HPT-processed cu-added excess Mg-type Al-Mg-Si alloys. / Maruno, Shun; Watanabe, Katsumi; Matsuda, Kenji et al.
Aluminium Alloys, ICAA 2014. ed. / Knut Marthinsen; Bjørn Holmedal; Yanjun Li. Trans Tech Publications Ltd, 2014. p. 811-814 (Materials Science Forum; Vol. 794-796).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Maruno, S, Watanabe, K, Matsuda, K, Saikawa, S, Hirosawa, S, Horita, ZJ, Lee, S & Terada, D 2014, TEM observation of HPT-processed cu-added excess Mg-type Al-Mg-Si alloys. in K Marthinsen, B Holmedal & Y Li (eds), Aluminium Alloys, ICAA 2014. Materials Science Forum, vol. 794-796, Trans Tech Publications Ltd, pp. 811-814, 14th International Conference on Aluminium Alloys, ICAA 2014, Trondheim, Norway, 6/15/14. https://doi.org/10.4028/www.scientific.net/MSF.794-796.811

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abstract = "Severe plastic deformation (SPD) techniques, such as equal channel angular pressing (ECAP), accumulative roll bonding (ARB) and high pressure torsion (HPT) have been extensively investigated to achieve. SPD techniques make use of plastic deformation process where no change in the cross-sectional dimension of a work piece occurs during straining. In this work, the effect of HPT on the aging behavior and microstructure in excess Mg-type Al-Mg-Si alloys including Cu are investigated. These alloys were investigated by hardness test and transmission electron microscopy (TEM) observation. The results show that processing by HPT leads to significant grain refinement with a grain size of 200-250nm.An age-hardening phenomenon is observed at 343K and 373K for the Al-Mg-Si alloys with HPT. Some precipitates were observed on grain boundaries.",

author = "Shun Maruno and Katsumi Watanabe and Kenji Matsuda and Seiji Saikawa and Shoichi Hirosawa and Horita, {Zen Ji} and Seungwon Lee and Daisuke Terada",

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AU - Hirosawa, Shoichi

AU - Horita, Zen Ji

AU - Lee, Seungwon

AU - Terada, Daisuke

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AB - Severe plastic deformation (SPD) techniques, such as equal channel angular pressing (ECAP), accumulative roll bonding (ARB) and high pressure torsion (HPT) have been extensively investigated to achieve. SPD techniques make use of plastic deformation process where no change in the cross-sectional dimension of a work piece occurs during straining. In this work, the effect of HPT on the aging behavior and microstructure in excess Mg-type Al-Mg-Si alloys including Cu are investigated. These alloys were investigated by hardness test and transmission electron microscopy (TEM) observation. The results show that processing by HPT leads to significant grain refinement with a grain size of 200-250nm.An age-hardening phenomenon is observed at 343K and 373K for the Al-Mg-Si alloys with HPT. Some precipitates were observed on grain boundaries.

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TEM observation of HPT-processed cu-added excess Mg-type Al-Mg-Si alloys

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