Neutron diffraction residual strain measurements in alumina coatings deposited via APS and HVOF techniques

R. Ahmed; N. H. Faisal; R. L. Reuben; A. M. Paradowska; M. Fitzpatrick; J. Kitamura; S. Osawa

doi:10.1088/1742-6596/251/1/012051

Neutron diffraction residual strain measurements in alumina coatings deposited via APS and HVOF techniques

R. Ahmed, N. H. Faisal, R. L. Reuben, A. M. Paradowska, M. Fitzpatrick, J. Kitamura, S. Osawa

School of Engineering & Physical Sciences

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

12 Citations (Scopus)

Abstract

Residual strains in air plasma sprayed (APS) and high velocity oxy-fuel (HVOF) alumina (Al₂O₃) coatings were investigated by means of neutron diffraction technique. Results of this investigation conclude that through thickness residual strain in the APS coating was mainly tensile whereas the HVOF coating had both compressive and tensile residual strain. Further analysis of Vickers indentation fracture behaviour using acoustic emission (AE) technique concluded that the nature and magnitude of these residual strain fields had a direct effect on the fracture response of two coatings during the indentation process. © 2010 IOP Publishing Ltd.

Original language	English
Article number	012051
Journal	Journal of Physics: Conference Series
Volume	251
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/251/1/012051
Publication status	Published - 2010
Event	International Conference on Neutron Scattering 2009 - Knoxville, TN, United States Duration: 3 May 2009 → 7 May 2009

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10.1088/1742-6596/251/1/012051

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title = "Neutron diffraction residual strain measurements in alumina coatings deposited via APS and HVOF techniques",

abstract = "Residual strains in air plasma sprayed (APS) and high velocity oxy-fuel (HVOF) alumina (Al2O3) coatings were investigated by means of neutron diffraction technique. Results of this investigation conclude that through thickness residual strain in the APS coating was mainly tensile whereas the HVOF coating had both compressive and tensile residual strain. Further analysis of Vickers indentation fracture behaviour using acoustic emission (AE) technique concluded that the nature and magnitude of these residual strain fields had a direct effect on the fracture response of two coatings during the indentation process. {\textcopyright} 2010 IOP Publishing Ltd.",

author = "R. Ahmed and Faisal, {N. H.} and Reuben, {R. L.} and Paradowska, {A. M.} and M. Fitzpatrick and J. Kitamura and S. Osawa",

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journal = "Journal of Physics: Conference Series",

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T1 - Neutron diffraction residual strain measurements in alumina coatings deposited via APS and HVOF techniques

AU - Ahmed, R.

AU - Faisal, N. H.

AU - Reuben, R. L.

AU - Paradowska, A. M.

AU - Fitzpatrick, M.

AU - Kitamura, J.

AU - Osawa, S.

PY - 2010

Y1 - 2010

N2 - Residual strains in air plasma sprayed (APS) and high velocity oxy-fuel (HVOF) alumina (Al2O3) coatings were investigated by means of neutron diffraction technique. Results of this investigation conclude that through thickness residual strain in the APS coating was mainly tensile whereas the HVOF coating had both compressive and tensile residual strain. Further analysis of Vickers indentation fracture behaviour using acoustic emission (AE) technique concluded that the nature and magnitude of these residual strain fields had a direct effect on the fracture response of two coatings during the indentation process. © 2010 IOP Publishing Ltd.

AB - Residual strains in air plasma sprayed (APS) and high velocity oxy-fuel (HVOF) alumina (Al2O3) coatings were investigated by means of neutron diffraction technique. Results of this investigation conclude that through thickness residual strain in the APS coating was mainly tensile whereas the HVOF coating had both compressive and tensile residual strain. Further analysis of Vickers indentation fracture behaviour using acoustic emission (AE) technique concluded that the nature and magnitude of these residual strain fields had a direct effect on the fracture response of two coatings during the indentation process. © 2010 IOP Publishing Ltd.

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DO - 10.1088/1742-6596/251/1/012051

M3 - Article

SN - 1742-6588

VL - 251

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

IS - 1

M1 - 012051

T2 - International Conference on Neutron Scattering 2009

Y2 - 3 May 2009 through 7 May 2009

ER -

Neutron diffraction residual strain measurements in alumina coatings deposited via APS and HVOF techniques

Abstract

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