Texture and structure evolution during cold rolling of austenitic stainless steel

• Autorzy: Kurc-Lisiecka, A. , Ozgowicz, W. , Ratuszek, W. , Chruściel, K.
• Języki publikacji: EN

Abstrakty

EN

Purpose: The paper analyses the influence of plastic deformation in cold working process on the texture and structure of X5CrNi18-8 austenitic stainless steel. Design/methodology/approach: The main methods used for these researches were metallographic observations, magnetic investigations as well as X-ray examinations, which were applied for phase analysis and the texture measurements of the rolled strip. Findings: The deformation texture development in the case of X5CrNi18-8 steel was complex, because during cold rolling three processes were proceeded simultaneously, i.e.: plastic deformation of the austenitic y-phase, phase transformation y → α’ as well as deformation of the formed α’-martensite. Thus, the resultant deformation texture of the investigated steel is described by the components from the textures of both phases- y and α’. Research limitations/implications: The X-ray phase analysis in particular allowed to reveal and identify the phases in the structure of the investigated steel after its deformation within the range 10-70 %. Results of the ferritescope measurements allowed to determine the proportional part of α' phases in the structure of investigated steel in the examined range of cold plastic deformation. The comparison of the martensite orientation distribution functions (ODFs) after deformation with those after (α’ → y) transformation indicates that Kurdjumov-Sachs (K-S) and Nishiyama-Wassermann (N-W) orientation relationships describe well the crystallographic orientation relations between both phases. Practical implications: The analysis of the obtained results permits to state that the degree of deformation has a significant influence on the structure and texture of the investigated steels. Originality/value: The character of the texture evolution was analysed during increasing of the plastic deformation, considering the variations of different crystallographic orientations in both phases. The α-phase volume fraction was determined after each rolling pass of strip. This allowed to determine the interdependence between the evolution of texture and phase composition of the investigated steel.

Słowa kluczowe

EN

metallic alloys; austenitic steel; cold rolling; deformation texture; phase transformation; martensite α'

• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2012
• Tom: Vol. 52, nr 1
• Strony: 22--30
• Opis fizyczny: Bibliogr. 30 poz., rys. tab.

Twórcy

autor

Kurc-Lisiecka, A.

• Institute of Engineering Materials and Biomaterials, Silesian University of Technology, ul. Konarskiego 18a, 44-100 Gliwice, Poland,

autor

Ozgowicz, W.

• Institute of Engineering Materials and Biomaterials, Silesian University of Technology, ul. Konarskiego 18a, 44-100 Gliwice, Poland

autor

Ratuszek, W.

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

autor

Chruściel, K.

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

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