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Ultrasonic Prediction of Anisotropy in Copper and Copper Alloy Sheets

  • C. J. Yu
  • J. C. ConwayJr.
  • J. Hirsch
  • C. O. Ruud
  • K. Kozaczek

Abstract

It is well recognized that the presence of preferred crystallographic orientation (texture) results in anisotropy of material properties [1–4]. To predict the plastic deformation response of materials where the texture character dominants, it is noted that a non-intrusive sensor system for on-line, in-process texture monitoring will meet the future demand of high quality in the final product, and total automation in manufacturing processes [5–8]. Several non-destructive techniques can be applied to extract quantitative information concerning anisotropic properties in materials. Ultrasonic techniques are one of them. Previous work has indicated the possibility of inferring texture from ultrasonic velocity measurements [9–11]. Mathematical formalisms have also been developed to relate ultrasonic velocity to texture-induced anisotropy [12–14]. However, few investigations have been performed regarding the nature of metallurgical parameters that affect the obtained ultrasonic velocity information. An understanding of these interdependent relationships will be necessary when trying to use ultrasonic velocity information for the purpose of materials characterization. It is the objective of this investigation to evaluate the effectiveness of ultrasonic velocity measurements as a means for prediction of material anisotropy.

Keywords

Elastic Modulo Ultrasonic Velocity Orientation Distribution Function Copper Specimen Annealing Texture 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1991

Authors and Affiliations

  • C. J. Yu
    • 1
  • J. C. ConwayJr.
    • 1
  • J. Hirsch
    • 1
  • C. O. Ruud
    • 1
  • K. Kozaczek
    • 1
  1. 1.The Pennsylvania State UniversityUniversity ParkUSA

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