The effect of impurities on the formation of the inner porous layer in the Cu2O Scale during copper oxidation

Y. Zhu; K. Mimura; M. Isshiki

doi:10.1023/B:OXID.0000025336.56015.a2

The effect of impurities on the formation of the inner porous layer in the Cu₂O Scale during copper oxidation

Y. Zhu, K. Mimura, M. Isshiki

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

12 Citations (Scopus)

Abstract

The effect of impurities on the formation of the inner porous layer in the Cu₂O scale during copper oxidation was examined using 99.99% (4N), 99.9999% (6N) and floating-zone-refined (FZR, >99.9999%) copper specimens at 800° C. Oxidation for 240 min shows that an inner porous layer was formed in the Cu₂O scale near the Cu₂O/Cu interface for 4N copper, but not for 6N and FZR copper. The results support that the inner porous layer in the oxide scale is related to impurities from the metal base.

Original language	English
Pages (from-to)	293-301
Number of pages	9
Journal	Oxidation of Metals
Volume	61
Issue number	3-4
DOIs	https://doi.org/10.1023/B:OXID.0000025336.56015.a2
Publication status	Published - 2004 Apr
Externally published	Yes

Keywords

Copper
Impurities
Oxidation
Porosity
Purity
Scale
Void

ASJC Scopus subject areas

Metals and Alloys
Inorganic Chemistry
Materials Chemistry

Access to Document

10.1023/B:OXID.0000025336.56015.a2

Cite this

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title = "The effect of impurities on the formation of the inner porous layer in the Cu2O Scale during copper oxidation",

abstract = "The effect of impurities on the formation of the inner porous layer in the Cu2O scale during copper oxidation was examined using 99.99% (4N), 99.9999% (6N) and floating-zone-refined (FZR, >99.9999%) copper specimens at 800° C. Oxidation for 240 min shows that an inner porous layer was formed in the Cu2O scale near the Cu2O/Cu interface for 4N copper, but not for 6N and FZR copper. The results support that the inner porous layer in the oxide scale is related to impurities from the metal base.",

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T1 - The effect of impurities on the formation of the inner porous layer in the Cu2O Scale during copper oxidation

AU - Zhu, Y.

AU - Mimura, K.

AU - Isshiki, M.

PY - 2004/4

Y1 - 2004/4

N2 - The effect of impurities on the formation of the inner porous layer in the Cu2O scale during copper oxidation was examined using 99.99% (4N), 99.9999% (6N) and floating-zone-refined (FZR, >99.9999%) copper specimens at 800° C. Oxidation for 240 min shows that an inner porous layer was formed in the Cu2O scale near the Cu2O/Cu interface for 4N copper, but not for 6N and FZR copper. The results support that the inner porous layer in the oxide scale is related to impurities from the metal base.

AB - The effect of impurities on the formation of the inner porous layer in the Cu2O scale during copper oxidation was examined using 99.99% (4N), 99.9999% (6N) and floating-zone-refined (FZR, >99.9999%) copper specimens at 800° C. Oxidation for 240 min shows that an inner porous layer was formed in the Cu2O scale near the Cu2O/Cu interface for 4N copper, but not for 6N and FZR copper. The results support that the inner porous layer in the oxide scale is related to impurities from the metal base.

KW - Copper

KW - Impurities

KW - Oxidation

KW - Porosity

KW - Purity

KW - Scale

KW - Void

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