Quantitative texture analyses using orientation distribution function (ODF) has progressed rapidly in the last decade. The determination of the ODF is now considered routine and its application to metal processing is being realized. Towards this end, a high intensity x-ray facility has been installed at Queen's University to accelerate the data acquisition time from typically 10 to 2 hours. In the present study, cupping tests are performed on autobody galvanized sheets and the 360 deg profile of the rim is measured. This earing profile is compared to that predicted using the R values generated from the ODF of the start material. The texture evolution in the cup walls at various directions to the RD is measured and compared to that predicted by Taylor-Bishop-Hill model using the ODF of the as-received sheet as the input. Although the textural evolution can be modelled reasonably well, the ear profile predictions are an underestimate of the observed. These results suggests that microstructural effects such as crystallite banding needs to be considered.
Application of quantitative texture analysis for the prediction of mechanical and forming properties of steel sheet
Anwendung der quantitativen Texturanalyse zur Vorhersage der mechanischen Eigenschaften und der Verformungseigenschaften von Stahlblechen
1990
14 Seiten, 7 Bilder, 1 Tabelle, 21 Quellen
Conference paper
English
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