Development of Structural Steel Containing 3÷5 wt% Al with Microlaminated Microstructure

• Autorzy: Garbarz B. , Adamczyk M. , Niżnik-Harańczyk B.

Identyfikatory

DOI

10.1515/amm-2017-0340

• Języki publikacji: EN

Abstrakty

EN

The aim of this work was to develop basic parameters of hot rolling and controlled cooling technology allowing to obtain the microlaminated (lamellar) microstructure in a lean-alloy structural steel containing 3÷5 wt % Al. Thermo-mechanical rolling tests of two experimental steels were carried out in a semi-industrial line comprising a one – stand reversing rolling mill. The final microstructure of the specimens subjected to rolling in the γ + α stability region characterised with the microlaminated morphology composed of lamellae of ferrite with thickness down to 1 μm or less and lamellae or grains of phases developed during transformation of the austenite. Determined parameters of the thermo-mechanical processing allowed to achieve very attractive mechanical properties of the experimental steels: tensile strength over 1.0 GPa and ductility level (total elongation) better than 15%.

Słowa kluczowe

EN

high strength steel; alloying with aluminium; microlaminated microstructure

• 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: 2017
• Tom: Vol. 62, iss. 4
• Strony: 2309--2315
• Opis fizyczny: Bibliogr. 22 poz., rys., tab., wykr., wzory

Twórcy

autor

Garbarz B.

• Institute for Ferrous Metallurgy, 12 K. Miarki Str., 44-100 Gliwice, Poland

autor

Adamczyk M.

• Institute for Ferrous Metallurgy, 12 K. Miarki Str., 44-100 Gliwice, Poland

autor

Niżnik-Harańczyk B.

• Institute for Ferrous Metallurgy, 12 K. Miarki Str., 44-100 Gliwice, Poland

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Uwagi

EN

This work was financially supported by the internal grant of Instytut Metalurgii Żelaza, No. SW-0066/2015.

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).