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M. V. Maisuradze, M. A. Ryzhkov

INVESTIGATION OF THE MICROSTRUCTURAL BANDING IN STEEL 4140

DOI: 10.17804/2410-9908.2017.3.042-052

The microstructural banding of the 4140 steel is studied. The dependence of the anisotropy index on the bar diameter and sampling location is established in accordance with GOST R 54570 (ASTM E 1268). A relationship between microstructural banding (i.e. anisotropy index) and toughness is shown to exist. A correlation between the kinetics of isothermal austenite transformation in the 4140 steel and the chemical inhomogeneity of the steel is discussed.

Keywords: 4140 steel, microstructural banding, anisotropy index, toughness, bainite transformation

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Article reference

Maisuradze M. V., Ryzhkov M. A. Investigation of the Microstructural Banding in Steel 4140 // Diagnostics, Resource and Mechanics of materials and structures. - 2017. - Iss. 3. - P. 42-52. -
DOI: 10.17804/2410-9908.2017.3.042-052. -
URL: http://eng.dream-journal.org/issues/content/article_142.html
(accessed: 06/22/2024).

 

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