Oxidation behaviors of Nb-Si-B ternary alloys at 1100 °c under ambient atmosphere

Jingchang Cheng; Seonghoon Yi; Joon Sik Park

doi:10.1016/j.intermet.2011.11.007

Oxidation behaviors of Nb-Si-B ternary alloys at 1100 °c under ambient atmosphere

Jingchang Cheng, Seonghoon Yi, Joon Sik Park

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19 Scopus citations

Abstract

Oxidation behaviors of the Nb-based two phase alloys comprising the Nb(Si, B) solid solution and Nb ₅(Si, B) ₃ phases have been evaluated based on the microstructural characterizations of isothermally oxidized samples at 1100°C under ambient atmosphere. The oxide products were identified as β-Nb ₂O ₅, NbO ₂ and 3Nb ₂O ₅·B ₂O ₃, while the existence of Si/B rich crystalline oxide or glassy oxide layers could not be confirmed from the microstructural analysis results. The critical oxidation sequences with respect to the selected alloy compositions are discussed in terms of microstructural evolutions during oxidation exposure.

Original language	English
Pages (from-to)	12-19
Number of pages	8
Journal	Intermetallics
Volume	23
DOIs	https://doi.org/10.1016/j.intermet.2011.11.007
State	Published - Apr 2012

Keywords

A. Silicides, various
B. Oxidation
F. Electron microprobe
G. Energy systems (including energy conversion)

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10.1016/j.intermet.2011.11.007

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title = "Oxidation behaviors of Nb-Si-B ternary alloys at 1100 °c under ambient atmosphere",

abstract = "Oxidation behaviors of the Nb-based two phase alloys comprising the Nb(Si, B) solid solution and Nb 5(Si, B) 3 phases have been evaluated based on the microstructural characterizations of isothermally oxidized samples at 1100°C under ambient atmosphere. The oxide products were identified as β-Nb 2O 5, NbO 2 and 3Nb 2O 5·B 2O 3, while the existence of Si/B rich crystalline oxide or glassy oxide layers could not be confirmed from the microstructural analysis results. The critical oxidation sequences with respect to the selected alloy compositions are discussed in terms of microstructural evolutions during oxidation exposure.",

keywords = "A. Silicides, various, B. Oxidation, F. Electron microprobe, G. Energy systems (including energy conversion)",

author = "Jingchang Cheng and Seonghoon Yi and Park, {Joon Sik}",

year = "2012",

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doi = "10.1016/j.intermet.2011.11.007",

language = "English",

volume = "23",

pages = "12--19",

journal = "Intermetallics",

issn = "0966-9795",

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T1 - Oxidation behaviors of Nb-Si-B ternary alloys at 1100 °c under ambient atmosphere

AU - Cheng, Jingchang

AU - Yi, Seonghoon

AU - Park, Joon Sik

PY - 2012/4

Y1 - 2012/4

N2 - Oxidation behaviors of the Nb-based two phase alloys comprising the Nb(Si, B) solid solution and Nb 5(Si, B) 3 phases have been evaluated based on the microstructural characterizations of isothermally oxidized samples at 1100°C under ambient atmosphere. The oxide products were identified as β-Nb 2O 5, NbO 2 and 3Nb 2O 5·B 2O 3, while the existence of Si/B rich crystalline oxide or glassy oxide layers could not be confirmed from the microstructural analysis results. The critical oxidation sequences with respect to the selected alloy compositions are discussed in terms of microstructural evolutions during oxidation exposure.

AB - Oxidation behaviors of the Nb-based two phase alloys comprising the Nb(Si, B) solid solution and Nb 5(Si, B) 3 phases have been evaluated based on the microstructural characterizations of isothermally oxidized samples at 1100°C under ambient atmosphere. The oxide products were identified as β-Nb 2O 5, NbO 2 and 3Nb 2O 5·B 2O 3, while the existence of Si/B rich crystalline oxide or glassy oxide layers could not be confirmed from the microstructural analysis results. The critical oxidation sequences with respect to the selected alloy compositions are discussed in terms of microstructural evolutions during oxidation exposure.

KW - A. Silicides, various

KW - B. Oxidation

KW - F. Electron microprobe

KW - G. Energy systems (including energy conversion)

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DO - 10.1016/j.intermet.2011.11.007

M3 - Article

AN - SCOPUS:84855222217

SN - 0966-9795

VL - 23

SP - 12

EP - 19

JO - Intermetallics

JF - Intermetallics

ER -

Oxidation behaviors of Nb-Si-B ternary alloys at 1100 °c under ambient atmosphere

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Keywords

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