An Application Of Holographic Interferometry To Measurement Of Contraction Ratios Of Copper Single Crystals

Hiroshi Miyamoto; Kazuo Kitagawa; Takeshi Miyazaki

doi:10.1117/12.957569

27 July 1979 An Application Of Holographic Interferometry To Measurement Of Contraction Ratios Of Copper Single Crystals

Hiroshi Miyamoto, Kazuo Kitagawa, Takeshi Miyazaki

Author Affiliations +

Proceedings Volume 0189, 13th Intl Congress on High Speed Photography and Photonics; (1979) https://doi.org/10.1117/12.957569
Event: 13th International Congress on High Speed Photography and Photonics, 1978, Tokyo, Japan

Abstract

According to the anisotropic elasticity theory, the contraction ratios along [110] take negative values for a number of metals when the single crystals are subjected to uniaxial forces along [110]. The pure bending tests employing holographic interferometry were conducted to confirm this phenomena using copper single crystals. In this study , the expression describing the morphology of contour lines of the anisotropic materials subjected to pure bending was presented in terms of the elastic compliances. It was suggested from this expression that, as contour lines, the positive values of contraction ratio provide hyperbolas, on the contrary, the negative values provide ellipses. The experimental results were in good agreement with the results expected analytically.

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Hiroshi Miyamoto, Kazuo Kitagawa, and Takeshi Miyazaki "An Application Of Holographic Interferometry To Measurement Of Contraction Ratios Of Copper Single Crystals", Proc. SPIE 0189, 13th Intl Congress on High Speed Photography and Photonics, (27 July 1979); https://doi.org/10.1117/12.957569

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