The analysis of changes in microhardness, creep rate, and morphology of the VT1-0 titanium fracture surface deformed under the action of the constant magnetic field of 0.3 T

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Abstract

Today, a promising research area is the study of the behavior of the materials’ technological and physical characteristics under the external energy effects, such as constant magnetic fields. It is caused by the emergence of multifactorial scientific and industrial problems arising because of the introduction of high technologies into production. One of the directions is the production of new equipment, devices, and machines that somehow form electromagnetic fields around them. Therefore, an umbrella approach to studying the influence of magnetic field effects on the deformation characteristics of metals and alloys contributes to a deeper understanding of the physical nature of this effect. As an object for the research, the authors selected commercially pure titanium of VT1-0 grade. The work aims to study the influence of a constant magnetic field of 0.3 T on microhardness, creep rate, and fracture surface of commercially pure VT1-0 titanium. The results show that under the influence of a constant magnetic field of 0.3 T, the relative value of VT1-0 titanium microhardness decreases by 2–5 %, followed by relaxation to the initial value. The creep rate of titanium increases by approximately 31 % when applying a field of 0.3 T induction during the test (without field applying, the creep rate is 2.4 %/h, in the magnetic field is 3 %/h). The fracture surface analysis using scanning electron microscopy (SEM) shows that titanium specimens undergo ductile fracture. Numerous equiaxial destruction pits characterize the fracture surface. It should be noted that pits with the stretched areas are present mainly on the samples destroyed under the creep conditions in a constant magnetic field of 0.3 T.

About the authors

Vitaly V. Shlyarov

Siberian State Industrial University, Novokuznetsk

Author for correspondence.
Email: shlyarov@mail.ru
ORCID iD: 0000-0001-8130-648X

postgraduate student of Professor V.M. Finkel Chair of Natural Science Disciplines

Russian Federation

Dmitry V. Zagulyaev

Siberian State Industrial University, Novokuznetsk

Email: zagulyaev_dv@bk.ru
ORCID iD: 0000-0002-9859-8949

PhD (Engineering), Associate Professor, assistant professor of Professor V.M. Finkel Chair of Natural Science Disciplines

Russian Federation

Anna A. Serebryakova

Siberian State Industrial University, Novokuznetsk

Email: aserebrakova87@gmail.com
ORCID iD: 0000-0003-3979-7777

postgraduate student of Professor V.M. Finkel Chair of Natural Science Disciplines

Russian Federation

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