Photograting 法による実験的ひずみ解析方法

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書誌事項

タイトル別名
  • Method of Experimental Strain Analysis by Photograting
  • Photogratingホウ ニ ヨル ジッケンテキヒズミ カイセキ ホウホウ

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説明

Previously, the authors reported results obtained through the usual method of experimental strain analysis by photograting, applying the method to two-dimensional problems (using experimental values of interference fringe spacing and inclination), and also suggested a new method of experimental strain analysis by photograting. In the new method, the inclinations of two interference fringe patterns with the reference axis ∅+ and ∅-, where the master screen axis makes the angle +θ and -θ respectively with the reference axis, are used.<br>In this paper, two methods of experimental strain analysis by photograting are presented and the accuracy of strain measurement by the new method is described and discussed.<br>It has been clarified that the new method makes strain measurement easier and helps to improve the accuracy of measurement. It was also concluded that the angle θ should be 2° for strains less than 1% and 3° for about 1% strain and with increasing strain greater θ's must be adopted to get high accuracy.

収録刊行物

  • 材料試験

    材料試験 10 (89), 116-121, 1961

    公益社団法人 日本材料学会

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