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Displacement measurement along a line by the diffractographic method

A unique experimental method to determine displacement continuously along a line by the diffractographic method is presented

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Abstract

The diffractographic method, a recently developed experimental technique, has been extended to solve the problem of determining the displacement information along the length of a beam. The method, which uses the diffraction of monochromatic light through a variable aperture whose size is a function of the beam displacement, demonstrates that this displacement along a line technique offers a new and accurate method occupying the unique position between point detectors and whole-field procedures.

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References

  1. Pryor, T. R. andNorth, W. P. T., “Diffractographic Strain Gage,”Experimental Mechanics,11 (12),565–568 (1971).

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  2. Jenkins, F. andWhite, H., Principles of Optics, Chap. 15, McGraw-Hill, Toronto (1957).

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  3. Shigley, J. E., Mechanical Engineering Design, McGraw-Hill, New York (1963).

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Authors and Affiliations

  1. Mechanical Engineering, University of Windsor, Windsor, Ontario, Can.

    T. R. Pryor (Graduate Student), O. L. Hageniers (Lecturer) & W. P. T. North (Professor)

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  1. T. R. Pryor
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  2. O. L. Hageniers
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  3. W. P. T. North
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Pryor, T.R., Hageniers, O.L. & North, W.P.T. Displacement measurement along a line by the diffractographic method. Experimental Mechanics 12, 384–386 (1972). https://doi.org/10.1007/BF02321698

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  • DOI: https://doi.org/10.1007/BF02321698

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