STUDY OF SHOCKWAVE-INDUCED DEFORMATION IN A METAL BAR BY HIGH-SPEED INTERFEROMETRY.

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Wright, M.P.
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| 1974年
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The work described was aimed at establishing the displacement-time profiles of points on the side and end of a long metal bar when a compression wave travels along its length. The part of the bar to be examined is polished optically flat and is used as one reflector in a conventional two-beam interferometer. The passage of the wave distorts the polished area and the resultant transient fringe pattern is recorded by high-speed streak photography. From the records obtained graphs of displacement against time can very easily be derived with high resolution.
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页码:482 / 488
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