Author:
Prosviryakov Alexey,Mondoloni Baptiste,Churyumov Alexander,Pozdniakov Andrey
Abstract
A novel corrosion-resistant steel with high boron content is investigated in this paper. Three stages during crystallisation of the steel are revealed. The positive influence of Zr addition on the microstructure and mechanical properties after hot deformation is shown. The Zr-alloyed steel demonstrates hot deformation without fracturing in the temperature range of 1273–1423 K, and in the strain rate range of 0.1–10 s−1, despite the high volume of brittle borides. The processes of ferrite recrystallisation and boride structure fragmentation occur during hot deformation, promoting the appearance of a peak on stress–strain curves.
Funder
Russian Science Foundation
Subject
General Materials Science,Metals and Alloys
Cited by
17 articles.
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