Anelastic properties of La0.6Sr0.4Co 1-yFeyO3-δ at high temperatures

Yuta Kimura; Julian Tolchard; Mari Ann Einarsrud; Tor Grande; Koji Amezawa; Mikio Fukuhara; Shin Ichi Hashimoto; Tatsuya Kawada

doi:10.1016/j.ssi.2013.08.020

Anelastic properties of La_0.6Sr_0.4Co _1-yFe_yO_3-δ at high temperatures

Yuta Kimura, Julian Tolchard, Mari Ann Einarsrud, Tor Grande, Koji Amezawa, Mikio Fukuhara, Shin Ichi Hashimoto, Tatsuya Kawada

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

4 Citations (Scopus)

Abstract

The dynamic amplitude dependence of the Young's modulus and the internal friction of La_0.6Sr_0.4Co_0.2Fe _0.8O_{3 -δ} (LSCF6428) at high temperatures were evaluated by resonance measurements. At the temperatures from room temperature to 473 K and above 1073 K, the Young's modulus of LSCF6428 was independent of the dynamic amplitude, while it gradually decreased with increasing the dynamic amplitude in the temperature range from 573 to 973 K. The above dependence was successfully explained by considering the ferroelastic behavior of LSCF6428.

Original language	English
Pages (from-to)	337-339
Number of pages	3
Journal	Solid State Ionics
Volume	262
DOIs	https://doi.org/10.1016/j.ssi.2013.08.020
Publication status	Published - 2014 Sep 1

Keywords

Ferroelasticity
Internal friction
Young's modulus

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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title = "Anelastic properties of La0.6Sr0.4Co 1-yFeyO3-δ at high temperatures",

abstract = "The dynamic amplitude dependence of the Young's modulus and the internal friction of La0.6Sr0.4Co0.2Fe 0.8O3 -δ (LSCF6428) at high temperatures were evaluated by resonance measurements. At the temperatures from room temperature to 473 K and above 1073 K, the Young's modulus of LSCF6428 was independent of the dynamic amplitude, while it gradually decreased with increasing the dynamic amplitude in the temperature range from 573 to 973 K. The above dependence was successfully explained by considering the ferroelastic behavior of LSCF6428.",

keywords = "Ferroelasticity, Internal friction, Young's modulus",

author = "Yuta Kimura and Julian Tolchard and Einarsrud, {Mari Ann} and Tor Grande and Koji Amezawa and Mikio Fukuhara and Hashimoto, {Shin Ichi} and Tatsuya Kawada",

year = "2014",

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doi = "10.1016/j.ssi.2013.08.020",

language = "English",

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pages = "337--339",

journal = "Solid State Ionics",

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T1 - Anelastic properties of La0.6Sr0.4Co 1-yFeyO3-δ at high temperatures

AU - Kimura, Yuta

AU - Tolchard, Julian

AU - Einarsrud, Mari Ann

AU - Grande, Tor

AU - Amezawa, Koji

AU - Fukuhara, Mikio

AU - Hashimoto, Shin Ichi

AU - Kawada, Tatsuya

PY - 2014/9/1

Y1 - 2014/9/1

N2 - The dynamic amplitude dependence of the Young's modulus and the internal friction of La0.6Sr0.4Co0.2Fe 0.8O3 -δ (LSCF6428) at high temperatures were evaluated by resonance measurements. At the temperatures from room temperature to 473 K and above 1073 K, the Young's modulus of LSCF6428 was independent of the dynamic amplitude, while it gradually decreased with increasing the dynamic amplitude in the temperature range from 573 to 973 K. The above dependence was successfully explained by considering the ferroelastic behavior of LSCF6428.

AB - The dynamic amplitude dependence of the Young's modulus and the internal friction of La0.6Sr0.4Co0.2Fe 0.8O3 -δ (LSCF6428) at high temperatures were evaluated by resonance measurements. At the temperatures from room temperature to 473 K and above 1073 K, the Young's modulus of LSCF6428 was independent of the dynamic amplitude, while it gradually decreased with increasing the dynamic amplitude in the temperature range from 573 to 973 K. The above dependence was successfully explained by considering the ferroelastic behavior of LSCF6428.

KW - Ferroelasticity

KW - Internal friction

KW - Young's modulus

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