X-ray Elastic Constant and Stress Measurement in Metals Having a Texture : 1st Report, Elastic Deformation under Uniaxial Stress

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In the present paper, X-ray elastic constant of metals having a texture is calculated numerically from the distributions of axis densities. On the basis of these results, the practical application of X-ray stress measurement to these metals is discussed. The calculation is made for a hot rolled steel sheet being in the state of uniaxial elastic deformation, and the results are compared with the experimental ones. As a result, the influence of texture on X-ray elastic constant was clarified and the experimental values of X-ray elastic constant were sufficiently evaluated from the present calculation. When the stress in metals having a texture is calculated by using an X-ray elastic constant determined from the axis distributions for them, X-ray stress measurement has satisfactory accuracy, but the elastic constant obtained without considering the texture introduces some error into the stress measurement.
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