Microstructural characterization of ULC steel

• Autorzy: Nguyen Cao-Son , Le Hoang , Bui Anh-Hoa

Identyfikatory

DOI

10.2478/adms-2020-0004

• Języki publikacji: EN

Abstrakty

EN

In the present study, microstructure of the ULC steel was investigated by using the X-ray diffraction (XRD), optical microscopy (OM) and electron back scattering diffraction (EBSD) analysis. The pure ferrite phase consisting of various crystalline orientations, e.g. (110) and (200) etc., existed in the ULC steel. Ultra-fine grains of ferrite were observed in the ND-TD cross-section (⊥ RD), meanwhile, typical lamina were seen in the ND-RD cross-section (// RD) of the steel sheet. Grain size of the annealed steel was observed to be coarser and equiaxed in all direction. According the EBSD results, intensities of the beneficial texture {111}<001> increased in the annealed steel, but weakened in the cross-section that was parallel to rolling direction. Ratio of low-angle grain boundaries (1°< LAGBs < 15°) in the annealed steel was estimated as the higher value (93.1 %) than that in the cold-rolled steel (69.1 %).

Słowa kluczowe

EN

ULC steel; microstructure; EBSD analysis; crystalline orientation; texture

PL

stal ULC; mikrostruktura; analiza EBSD; orientacja krystaliczna; tekstura

• Wydawca: Politechnika Gdańska
• Czasopismo: Advances in Materials Science
• Rocznik: 2020
• Tom: Vol. 20, nr 1(63)
• Strony: 71--81
• Opis fizyczny: Bibliogr. 36 poz., tab., rys.

Twórcy

autor

Nguyen Cao-Son

• School of Materials Science and Engineering, Hanoi University of Science and Technology No. 1, Dai Co Viet Road, Hai Ba Trung District, Hanoi, Vietnam

autor

Le Hoang

• School of Materials Science and Engineering, Hanoi University of Science and Technology No. 1, Dai Co Viet Road, Hai Ba Trung District, Hanoi, Vietnam

autor

Bui Anh-Hoa

• School of Materials Science and Engineering, Hanoi University of Science and Technology No. 1, Dai Co Viet Road, Hai Ba Trung District, Hanoi, Vietnam

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).