Ultrasonic Methods of Texture Monitoring for Characterization of Formability of Rolled Aluminum Sheet
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Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.
This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.
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Abstract
Texture (preferred orientation) has a significant influence on the formability of metals. This was shown experimentally for rolled steel sheet by Stickels and Mould [1]. They found a correlation between the in-plane angular variation of r-value and the anisotropy of Young’s modulus, E, as measured by ultrasonics. The r-value is a measure of plastic strain on deep drawing, defined as ϵyy/(∈yy + ∈zz), with ∈yy the in-plane strain and ∈zz the strain in the thickness direction.