Investigation of oxidation kinetics of YBa2Cu3O7-x ceramics by the acoustic emission method

E. A. Dul'kin

doi:10.1023/A:1022688018815

Investigation of oxidation kinetics of YBa₂Cu₃O_7-x ceramics by the acoustic emission method

E. A. Dul'kin^*

^*Corresponding author for this work

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

4 Scopus citations

Abstract

The oxidation kinetics of YBa₂Cu₃O_7-x ceramics has been investigated by the acoustic emission method. It is observed that the oxidation follows an exponential law. For YBCO the exponential index τ is a specific parameter and is equal to 1.7 s±10%. It is confirmed that the related narrow surface layer is first oxidized, and oxygen dissolution in the material is controlled by the speed of volume diffusion.

Original language	English
Pages (from-to)	275-276
Number of pages	2
Journal	Journal of Superconductivity
Volume	11
Issue number	2
DOIs	https://doi.org/10.1023/A:1022688018815
State	Published - 1998
Externally published	Yes

Keywords

Absorption
Acoustic emission
YBCO

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10.1023/A:1022688018815

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abstract = "The oxidation kinetics of YBa2Cu3O7-x ceramics has been investigated by the acoustic emission method. It is observed that the oxidation follows an exponential law. For YBCO the exponential index τ is a specific parameter and is equal to 1.7 s±10%. It is confirmed that the related narrow surface layer is first oxidized, and oxygen dissolution in the material is controlled by the speed of volume diffusion.",

keywords = "Absorption, Acoustic emission, YBCO",

author = "Dul'kin, {E. A.}",

year = "1998",

doi = "10.1023/A:1022688018815",

language = "אנגלית",

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AU - Dul'kin, E. A.

PY - 1998

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N2 - The oxidation kinetics of YBa2Cu3O7-x ceramics has been investigated by the acoustic emission method. It is observed that the oxidation follows an exponential law. For YBCO the exponential index τ is a specific parameter and is equal to 1.7 s±10%. It is confirmed that the related narrow surface layer is first oxidized, and oxygen dissolution in the material is controlled by the speed of volume diffusion.

AB - The oxidation kinetics of YBa2Cu3O7-x ceramics has been investigated by the acoustic emission method. It is observed that the oxidation follows an exponential law. For YBCO the exponential index τ is a specific parameter and is equal to 1.7 s±10%. It is confirmed that the related narrow surface layer is first oxidized, and oxygen dissolution in the material is controlled by the speed of volume diffusion.

KW - Absorption

KW - Acoustic emission

KW - YBCO

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SN - 0896-1107

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JO - Journal of Superconductivity

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ER -

Investigation of oxidation kinetics of YBa₂Cu₃O_7-x ceramics by the acoustic emission method

Abstract

Keywords

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