In order to understand the role and influence of Cr, Ni, Si and Mn alloying elements on the mechanical properties of steels, a large spectrum of ferritic steels with parametric variation of alloying elements as well as iimpurities content were prepared in the frame of the SAFELIFE action of JRC-IE and the AMES network. The composition of the 12 prepared model steels were inspired by typical base composition of WWER-1000 and PWR construction materials. The testing results showed important role of Cr and Ni concentration in model steels composition. The ranges of ductile-to-brittle transition temperature differ between high and low Cr containing steels. An increase of Cr content in model steels lead to an increase of root means square values of the Barkhausen noise signal, independently on Mn and Si content. On the contrary, amount of Ni influences mostly the results of Barkhausen noise and Relative Seebeck coefficient measurements.
DEGMOVA Jarmila;
DEBARBERIS Luigi;
ACOSTA IBORRA Beatriz;
NOVOTNY Radek;
BRANCUCCI Carlo;
2011-12-05
Inderscience Enterprises Ltd.
JRC58195
1741-8410,
http://www.inderscience.com/,
https://publications.jrc.ec.europa.eu/repository/handle/JRC58195,
10.1504/IJMMP.2011.043571,
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