The Effect of Low Deformation Asymmetric Rolling on Microstructure and Texture of the Polycrystalline Copper

• Autorzy: Uniwersał A. , Wróbel M. , Wroński S. , Kalemba-Rec I. , Wroński M. , Wierzbanowski K. , Baczmański A. , Bacroix B.

Identyfikatory

DOI

10.1515/amm-2016-0348

• Języki publikacji: EN

Abstrakty

EN

In the most recent years the asymmetric rolling (AR) attracts attention of researchers and technologists. This process can improve some technological parameters (e.g. modification of rolling torque and load, power requirements, etc.) as well as provide the possibility of grain refinement in a relatively inexpensive way. Most of the reports concerning microstructural changes produced by AR refer to high deformations imposed in highly asymmetric conditions. However, such rolling conditions are difficult to control, so there are no prospects to their quick industrial implementation. The present paper refers to relatively low deformation and low asymmetry rate, that is much more interesting for the industry. It was shown that bending of the rolled band (important disadvantage of the AR technology) can be controlled by adjusting of the amount of deformation and asymmetry. It was also shown that ca. 30% reduction in thickness during cold rolling, together with a relatively low asymmetry, reduces significantly the grain size and produces a more fragmented microstructure inside grains of the polycrystalline copper comparing to the symmetric rolling (SR). The material hardness after AR is higher than after the SR. Moreover, the crystallographic texture asymmetry, expressed by its rotation around the transverse direction, is observed in the AR material.

Słowa kluczowe

EN

asymmetric rolling; polycrystalline copper; microstructure refinement; strip curvature

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2016
• Tom: Vol. 61, iss. 4
• Strony: 2183--2188
• Opis fizyczny: Bibliogr. 32 poz., rys., wykr., wzory

Twórcy

autor

Uniwersał A.

• AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Wróbel M.

• AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Wroński S.

• AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Kalemba-Rec I.

• AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Wroński M.

• AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Wierzbanowski K.

• AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Baczmański A.

• AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Bacroix B.

• LSPM-CNRS Université Paris 13, 99 Av. J.B. Clement, 93 430 Villetaneuse, France

Bibliografia

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Uwagi

EN

This work was supported by the National Science Centre on the basis of decisions DEC-2013/09/N/ST8/04164 and DEC-2013/11/B/ST3/03787. Valuable help of M.Sc. Eng. M. Wacławik (AGH) is appreciated.