Characterisation of oxide scale formation on a new single crystal superalloy for power generation applications

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Characterisation of oxide scale formation on a new single crystal superalloy for power generation applications. / Sato, Atsushi; Chiu, Yu Lung; Marquis, Emmanuelle A.; Reed, Roger C.

In: Materials at High Temperatures, Vol. 29, No. 3, 01.08.2012, p. 272-278.

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@article{94f0f1d9fde94bcfaf0d8bb72ff85009,
title = "Characterisation of oxide scale formation on a new single crystal superalloy for power generation applications",
abstract = "The oxidation behaviour at 950°C of a prototype nickel-based single crystal superalloy containing ~15 wt%Cr is studied, with and without silicon alloying. It is demonstrated that the alloy is a marginal alumina former, with further alloying by Si promoting the formation of a continuous, protective alumina scale. Transmission electron microscopy reveals that out-growing alumina forms during the early stages of oxidation. The presence of silicon within the alumina is detected using atom probe tomography.",
keywords = "Heterogeneous nucleation of phase transformations, Kinetics, Nickel alloys, Oxidation, Superalloy",
author = "Atsushi Sato and Chiu, {Yu Lung} and Marquis, {Emmanuelle A.} and Reed, {Roger C.}",
year = "2012",
month = aug,
day = "1",
doi = "10.3184/096034012X13335334078005",
language = "English",
volume = "29",
pages = "272--278",
journal = "Materials at High Temperatures",
issn = "0960-3409",
publisher = "Taylor & Francis",
number = "3",

}

RIS

TY - JOUR

T1 - Characterisation of oxide scale formation on a new single crystal superalloy for power generation applications

AU - Sato, Atsushi

AU - Chiu, Yu Lung

AU - Marquis, Emmanuelle A.

AU - Reed, Roger C.

PY - 2012/8/1

Y1 - 2012/8/1

N2 - The oxidation behaviour at 950°C of a prototype nickel-based single crystal superalloy containing ~15 wt%Cr is studied, with and without silicon alloying. It is demonstrated that the alloy is a marginal alumina former, with further alloying by Si promoting the formation of a continuous, protective alumina scale. Transmission electron microscopy reveals that out-growing alumina forms during the early stages of oxidation. The presence of silicon within the alumina is detected using atom probe tomography.

AB - The oxidation behaviour at 950°C of a prototype nickel-based single crystal superalloy containing ~15 wt%Cr is studied, with and without silicon alloying. It is demonstrated that the alloy is a marginal alumina former, with further alloying by Si promoting the formation of a continuous, protective alumina scale. Transmission electron microscopy reveals that out-growing alumina forms during the early stages of oxidation. The presence of silicon within the alumina is detected using atom probe tomography.

KW - Heterogeneous nucleation of phase transformations

KW - Kinetics

KW - Nickel alloys

KW - Oxidation

KW - Superalloy

UR - http://www.scopus.com/inward/record.url?scp=84872703640&partnerID=8YFLogxK

U2 - 10.3184/096034012X13335334078005

DO - 10.3184/096034012X13335334078005

M3 - Article

AN - SCOPUS:84872703640

VL - 29

SP - 272

EP - 278

JO - Materials at High Temperatures

JF - Materials at High Temperatures

SN - 0960-3409

IS - 3

ER -