Microstructural characterisation of oxide formation from MCrAlY coatings on nickel-based superalloys

West, Geoff; Pace, Michael T.; Thomson, Rachel C.

doi:10.1179/096034009x464168

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Quantitative Prediction Of Tgo Growth Based On Grain Boundar1

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2017

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“…However, it is extremely difficult to quantitatively obtain the grain size of this kind of thin TGO layer. It was previously reported that electron backscatter diffraction (EBSD) could be used to analyse the cross sections of TGO to examine their grain size [76][77][78]. Although the cross sectional analysis can be realized by optimizing the sample preparation approach, the obtained results are not very precise because the cross sections of the cut grains do not always show the maximum diameter of the grains.…”

Section: Quantitative Prediction Of Tgo Growth Based On Grain Boundarmentioning

confidence: 99%

Non-parabolic isothermal oxidation kinetics of low pressure plasma sprayed MCrAlY bond coat

Zhang

Yang

2017

Applied Surface Science

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The non-parabolic isothermal oxidation kinetics of low pressure plasma sprayed MCrAlY bond coat was investigated. To qualitatively explain the abnormal growth phenomenon of thermally grown oxides (TGO), the changes that occurred to their microstructure during the oxidation process were studied.Based on these observations, a modified model was developed to understand and quantitatively predict the non-parabolic oxidation and growth kinetics of TGO. This modified model, which fits well with experimental results, provides a novel method to quantitatively predict the long-term growth behaviour of TGO, and thereby benefits the development of long-life and highly reliable thermal barrier coatings.

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Section: Quantitative Prediction Of Tgo Growth Based On Grain Boundarmentioning

confidence: 99%

Non-parabolic isothermal oxidation kinetics of low pressure plasma sprayed MCrAlY bond coat

Zhang

Yang

2017

Applied Surface Science

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show abstract

Microstructural characterisation of oxide formation from MCrAlY coatings on nickel-based superalloys

Cited by 1 publication

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Non-parabolic isothermal oxidation kinetics of low pressure plasma sprayed MCrAlY bond coat

Non-parabolic isothermal oxidation kinetics of low pressure plasma sprayed MCrAlY bond coat

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