Elastic Constants of Synthetic Single Crystal Corundum at Room Temperature

The six elastic constants (and six elastic compliances) of corundum were determined in the kilocycle per second frequency range by an accurate resonance method. The results were checked in the megacycle per second range with a less accurate, pulse velocity method. The elastic moduli for polycrystall...

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Detalles Bibliográficos
Autores principales: Wachtman, J. B., Tefft, W. E., Lam, D. G., Stinchfield, R. P.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: [Gaithersburg, MD] : U.S. Dept. of Commerce, National Institute of Standards and Technology 1960
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5287147/
https://www.ncbi.nlm.nih.gov/pubmed/32196188
http://dx.doi.org/10.6028/jres.064A.022
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author Wachtman, J. B.
Tefft, W. E.
Lam, D. G.
Stinchfield, R. P.
author_facet Wachtman, J. B.
Tefft, W. E.
Lam, D. G.
Stinchfield, R. P.
author_sort Wachtman, J. B.
collection PubMed
description The six elastic constants (and six elastic compliances) of corundum were determined in the kilocycle per second frequency range by an accurate resonance method. The results were checked in the megacycle per second range with a less accurate, pulse velocity method. The elastic moduli for polycrystalline alumina calculated from the single crystal compliances determined by the resonance method are in good agreement with experimental values obtained on high density polycrystalline alumina. The variation of Young’s modulus and of the shear modulus with orientation was calculated from the compliances and the results are shown graphically. The results of the present work do not agree well with previous work on single crystal sapphire. The specification of orientation and the theory used to calculate the elastic constants are given in detail to support the contention that the results of the present work are correct.
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spelling pubmed-52871472020-03-18 Elastic Constants of Synthetic Single Crystal Corundum at Room Temperature Wachtman, J. B. Tefft, W. E. Lam, D. G. Stinchfield, R. P. J Res Natl Bur Stand A Phys Chem Article The six elastic constants (and six elastic compliances) of corundum were determined in the kilocycle per second frequency range by an accurate resonance method. The results were checked in the megacycle per second range with a less accurate, pulse velocity method. The elastic moduli for polycrystalline alumina calculated from the single crystal compliances determined by the resonance method are in good agreement with experimental values obtained on high density polycrystalline alumina. The variation of Young’s modulus and of the shear modulus with orientation was calculated from the compliances and the results are shown graphically. The results of the present work do not agree well with previous work on single crystal sapphire. The specification of orientation and the theory used to calculate the elastic constants are given in detail to support the contention that the results of the present work are correct. [Gaithersburg, MD] : U.S. Dept. of Commerce, National Institute of Standards and Technology 1960 1960-06-01 /pmc/articles/PMC5287147/ /pubmed/32196188 http://dx.doi.org/10.6028/jres.064A.022 Text en https://creativecommons.org/publicdomain/zero/1.0/ The Journal of Research of the National Bureau of Standards Section A is a publication of the U.S. Government. The papers are in the public domain and are not subject to copyright in the United States. Articles from J Res may contain photographs or illustrations copyrighted by other commercial organizations or individuals that may not be used without obtaining prior approval from the holder of the copyright.
spellingShingle Article
Wachtman, J. B.
Tefft, W. E.
Lam, D. G.
Stinchfield, R. P.
Elastic Constants of Synthetic Single Crystal Corundum at Room Temperature
title Elastic Constants of Synthetic Single Crystal Corundum at Room Temperature
title_full Elastic Constants of Synthetic Single Crystal Corundum at Room Temperature
title_fullStr Elastic Constants of Synthetic Single Crystal Corundum at Room Temperature
title_full_unstemmed Elastic Constants of Synthetic Single Crystal Corundum at Room Temperature
title_short Elastic Constants of Synthetic Single Crystal Corundum at Room Temperature
title_sort elastic constants of synthetic single crystal corundum at room temperature
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5287147/
https://www.ncbi.nlm.nih.gov/pubmed/32196188
http://dx.doi.org/10.6028/jres.064A.022
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AT lamdg elasticconstantsofsyntheticsinglecrystalcorundumatroomtemperature
AT stinchfieldrp elasticconstantsofsyntheticsinglecrystalcorundumatroomtemperature

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