Issues »  Volume 39, Issue 9

Structural Liability of Sheet-Rolled Corrosion-Resistant Ferritic Steels to a Plastic Deforming

V. L. Greshta

Zaporizhzhya National Technical University, 64 Zhukovsky Str., 69063 Zaporizhzhya, Ukraine

Received: 07.04.2015; final version - 08.08.2017. Download: PDF

The effect of thermal-deformation treatment modes of corrosion-resistant ferritic steel of 08Kh18T1 grade on its mechanical properties is analysed. As found, the structure of crystallites with different grain sizes and various amount of secondary strengthening phase is formed due to carrying out an additional heat treatment after completing technological processes of producing a cold-rolled sheet. Thermal-deformation modes of manufacturing cold-rolled sheet materials from corrosion-resistant ferritic steels are developed according to the results of the microstructure and mechanical properties’ studies. The nature of the stress–strain state formed in the workpiece during specific forming processes is also taken into account.

Key words: high-chromium ferrite, cold rolling, heat treatment, mechanical properties, forming.

URL: http://mfint.imp.kiev.ua/en/abstract/v39/i09/1213.html

DOI: https://doi.org/10.15407/mfint.39.09.1213

PACS: 61.72.Lk, 61.72.Mm, 61.72.S-, 62.20.fk, 81.20.Hy, 81.40.Ef, 83.50.Uv

Citation: V. L. Greshta, Structural Liability of Sheet-Rolled Corrosion-Resistant Ferritic Steels to a Plastic Deforming, Metallofiz. Noveishie Tekhnol., 39, No. 9: 1213—1225 (2017) (in Ukrainian)

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