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A Sam Bearing Ball Inspection System

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Review of Progress in Quantitative Nondestructive Evaluation

Abstract

Ceramic bearing balls have great potential for replacing steel bearing balls in most applications because of their lower weight, larger strength at high temperatures, and abundance of raw materials. However, ceramic materials are brittle, and the advantages of ceramic parts can be lost if small surface cracks and bulk defects are present in part. This work will report on a method we developed to detect small sub-micron surface cracks in ceramic bearing balls. We present a theory to calculate the scattering from these small “trenches” or cracks, and we will present an amplitude and phase measuring acoustic microscope capable of detecting these defects. We will present results of “line scans” across cracks in ceramics bearing balls where the balls are rolled under the stationary transducer.

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References

  1. P. C. D. Hobbs, “Heterodyne Interferometry with a Scanning Optical Microscope,” Chapter 6, Ph.D. Dissertation, Stanford University, Stanford, CA (August,1987).

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  2. G. S. Kino et al, “Confocal Microscopy of Trenches,” to be submitted to Applied Optics.

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  3. P. Parent, C-H. Chou, and B. T. Khuri-Yakub, “Ball Bearing Inspection with an Acoustic Microscope,” Proc. IEEE Ultrasonics Symposium (1988).

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Author information

Authors and Affiliations

  1. Ginzton Laboratory, W. W. Hansen Laboratories of Physics, Stanford University, Stanford, CA, 94305-4085, USA

    C-H. Chou, P. Parent & B. T. Khuri-Yakub

Authors
  1. C-H. Chou
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  2. P. Parent
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  3. B. T. Khuri-Yakub
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Editor information

Editors and Affiliations

  1. Center for NDE Ames Laboratory (USDOE) and Department of Engineering Science and Mechanics, Iowa State University, 50011, Ames, Iowa, USA

    Donald O. Thompson

  2. Center for NDE and Department of Materials Science and Engineering, The Johns Hopkins University, 21218, Baltimore, Maryland, USA

    Dale E. Chimenti

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© 1990 Springer Science+Business Media New York

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Chou, CH., Parent, P., Khuri-Yakub, B.T. (1990). A Sam Bearing Ball Inspection System. In: Thompson, D.O., Chimenti, D.E. (eds) Review of Progress in Quantitative Nondestructive Evaluation. Review of Progress in Quantitative Nondestructive Evaluation. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-5772-8_269

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  • DOI: https://doi.org/10.1007/978-1-4684-5772-8_269

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4684-5774-2

  • Online ISBN: 978-1-4684-5772-8

  • eBook Packages: Springer Book Archive

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