Microstructure of rapidly solidified Co-Sn-Ti and Co-Sn-Si alloys

Sachiko Fujisawa; Kyosuke Yoshimi; Hidemi Kato; Kouichi Maruyama

doi:10.4028/0-87849-462-6.1357

Microstructure of rapidly solidified Co-Sn-Ti and Co-Sn-Si alloys

Sachiko Fujisawa, Kyosuke Yoshimi, Hidemi Kato, Kouichi Maruyama

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

1 Citation (Scopus)

Abstract

In this study, rapidly solidified Co-Sn-Ti and Co-Sn-Si alloys were investigated as candidate cathodic materials for lithium-ion batteries. (Co _0.5Sn_0.5)_1-xTi_x (x=0.1, 0.2, 0.3, 0.4) and (Co_0.5Sn_0.5)_0.9Si_0.1 alloys were produced by Ar arc-melting. These alloys were further rapidly solidified into ribbons by the single-roll melt-spinning method. Constituent phases in the ribbons were identified by XRD, indicating that all of the alloys were composed of crystalline multi-phases with no amorphous phase. The microstructure of the ribbons was observed by SEM and TEM, and the chemical composition of constituent phases was analyzed by TEM-EDS. It is found from the SEM and TEM observations that the grain size of the constituent phases ranged from tens to hundreds nanometers due to the rapid solidification effect.

Original language	English
Title of host publication	Selected, peer reviewed papers from The Sixth Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6
Publisher	Trans Tech Publications Ltd
Pages	1357-1360
Number of pages	4
Edition	PART 2
ISBN (Print)	0878494626, 9780878494620
DOIs	https://doi.org/10.4028/0-87849-462-6.1357
Publication status	Published - 2007 Jan 1
Event	6th Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6 - Jeju, Korea, Republic of Duration: 2007 Nov 5 → 2007 Nov 9

Publication series

Name	Materials Science Forum
Number	PART 2
Volume	561-565
ISSN (Print)	0255-5476
ISSN (Electronic)	1662-9752

Other

Other	6th Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6
Country	Korea, Republic of
City	Jeju
Period	07/11/5 → 07/11/9

Keywords

Co-Sn
Intermetallics
Microstructure
Negative-electrode
Rapid solidification

ASJC Scopus subject areas

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

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Fujisawa, S., Yoshimi, K., Kato, H., & Maruyama, K. (2007). Microstructure of rapidly solidified Co-Sn-Ti and Co-Sn-Si alloys. In Selected, peer reviewed papers from The Sixth Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6 (PART 2 ed., pp. 1357-1360). (Materials Science Forum; Vol. 561-565, No. PART 2). Trans Tech Publications Ltd. https://doi.org/10.4028/0-87849-462-6.1357

Microstructure of rapidly solidified Co-Sn-Ti and Co-Sn-Si alloys. / Fujisawa, Sachiko; Yoshimi, Kyosuke ; Kato, Hidemi; Maruyama, Kouichi.

Selected, peer reviewed papers from The Sixth Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6. PART 2. ed. Trans Tech Publications Ltd, 2007. p. 1357-1360 (Materials Science Forum; Vol. 561-565, No. PART 2).

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

Fujisawa, S, Yoshimi, K , Kato, H & Maruyama, K 2007, Microstructure of rapidly solidified Co-Sn-Ti and Co-Sn-Si alloys. in Selected, peer reviewed papers from The Sixth Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6. PART 2 edn, Materials Science Forum, no. PART 2, vol. 561-565, Trans Tech Publications Ltd, pp. 1357-1360, 6th Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6, Jeju, Korea, Republic of, 07/11/5. https://doi.org/10.4028/0-87849-462-6.1357

Fujisawa S, Yoshimi K , Kato H, Maruyama K. Microstructure of rapidly solidified Co-Sn-Ti and Co-Sn-Si alloys. In Selected, peer reviewed papers from The Sixth Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6. PART 2 ed. Trans Tech Publications Ltd. 2007. p. 1357-1360. (Materials Science Forum; PART 2). https://doi.org/10.4028/0-87849-462-6.1357

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AB - In this study, rapidly solidified Co-Sn-Ti and Co-Sn-Si alloys were investigated as candidate cathodic materials for lithium-ion batteries. (Co 0.5Sn0.5)1-xTix (x=0.1, 0.2, 0.3, 0.4) and (Co0.5Sn0.5)0.9Si0.1 alloys were produced by Ar arc-melting. These alloys were further rapidly solidified into ribbons by the single-roll melt-spinning method. Constituent phases in the ribbons were identified by XRD, indicating that all of the alloys were composed of crystalline multi-phases with no amorphous phase. The microstructure of the ribbons was observed by SEM and TEM, and the chemical composition of constituent phases was analyzed by TEM-EDS. It is found from the SEM and TEM observations that the grain size of the constituent phases ranged from tens to hundreds nanometers due to the rapid solidification effect.

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