Mathematical model of the diagram of the fe-si-b composition system
Akberdin A.A. Kim A.S. Orlov A.S. Sultangaziyev R.B.
January 2022Faculty of Metallurgy
Metalurgija
2022#61Issue 1182 - 184 pp.
A diagram of the phase composition of the Fe – Si – B system is constructed in the form of elementary triangles of coexisting phases and its mathematical model was created. Its isothermal sections are given in the temperature range of 300-2 000 K. The diagram is composed of one-component phases Fe, Si, B, binary compounds Fe3 Si, Fe2 Si, Fe5 Si3, FeSi, FeSi2, FeB, Fe2 B, SiB4, SiB6, SiB14, as well as ternary phases Fe5 SiB2 and Fe5 Si2 B. To estimate the sizes of crys-tallization fields, the areas of elementary triangles were calculated, the probability of existence (prevalence) of each compound in the phase space of the diagram was established.
Diagram , Fe – Si – B system , Isothermal section , Mathematical model , Phase
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Chemical-Metallurgical In-stitute, Kazakhstan
Karaganda Technical University, Kara-ganda, Kazakhstan
Chemical-Metallurgical In-stitute
Karaganda Technical University
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