About the Nature of Quasi-Cleavage in Low-Carbon Steel Embrittled with Hydrogen


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Scanning electron microscopy and confocal laser scanning microscopy are used to study a fracture surface of hydrogen-charged low-carbon steel, which has been deformed in air at room temperature to 12% residual strain and then crushed in liquid nitrogen. It is shown that the quasi-cleavage facets formed during the room-temperature deformation have a strongly curved surface in contrast to the flat cleavage facets formed under the loading in liquid nitrogen. It is inferred that the quasi-cleavage facets in the hydrogen-charged steel do not form by the mechanism of cleavage in the deformed structure.

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E. Merson

Tolyatti State University

编辑信件的主要联系方式.
Email: Mersoned@gmail.com
俄罗斯联邦, Tolyatti

V. Poluyanov

Tolyatti State University

Email: Mersoned@gmail.com
俄罗斯联邦, Tolyatti

D. Merson

Tolyatti State University

Email: Mersoned@gmail.com
俄罗斯联邦, Tolyatti

A. Vinogradov

Norway University of Technology

Email: Mersoned@gmail.com
挪威, Trondheim

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