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Stresses in plasma-sprayed Cr2O3 coatings measured by neutron diffraction

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Abstract.

Results of stress measurements in plasma-sprayed coatings obtained by X-ray-diffraction measurements are often ambiguous and difficult to interpret. The neutron-diffraction method was used to determine the residual and applied stresses during four-point bending and compared with results obtained previously by X-ray diffraction. The volume- and lattice-effective Young’s modulus was calculated from applied force and lattice deformation, respectively. The obtained results are discussed from the point of view of the behavior of cracks during tensile and compressive loading.

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Authors and Affiliations

  1. Institute of Plasma Physics, Za Slovankou 3, 18600 Praha 8, Czech Republic, , , , , , CZ

    J. Dubský & J. Matějíček

  2. National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, MD 20899, USA, , , , , , US

    H.J. Prask & T. Gnäupel-Herold

Authors
  1. J. Dubský
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  2. H.J. Prask
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  3. J. Matějíček
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  4. T. Gnäupel-Herold
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Additional information

Received: 13 July 2001 / Accepted: 8 January 2002

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Dubský, J., Prask, H., Matějíček, J. et al. Stresses in plasma-sprayed Cr2O3 coatings measured by neutron diffraction . Appl Phys A 74 (Suppl 1), s1115–s1117 (2002). https://doi.org/10.1007/s003390201869

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  • DOI: https://doi.org/10.1007/s003390201869

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