DETERMINATION OF CRITICAL REGIONS FOR CRACKS IN EXTRUDED MATERIAL
Leo Gusel, Ivan Anzel
Pages: 372-378
Published: 1 Jan 2010
Views: 115
Abstract: By determination of formability of the cold extruded material with the indicator of the state of stresses b and the effective strain, it is possible very accurate determination of the areas of extruded specimen in which the reserve of formability has already been rather exhausted. In the paper formability of a cold forward extruded specimen of copper alloy as a function of the stress field was analyzed. The stress field and effective strain were obtained by the visioplasticity method in several points of the extruded material. These data make possible to determinate regions in extruded material where the possibility of cracks is the greatest. With known values of the stress components it is possible to calculate the indicator of the state of stresses b in the individual points of the extruded specimen by means of equation. The results of calculations are shown in the diagram of formability.
Keywords: formability, bulk metal forming, visioplasticity analysis, copper alloy
Cite this article: Leo Gusel, Ivan Anzel. DETERMINATION OF CRITICAL REGIONS FOR CRACKS IN EXTRUDED MATERIAL. Journal of International Scientific Publications: Materials, Methods & Technologies 4, 372-378 (2010). https://www.scientific-publications.net/en/article/1003390/
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