DOI: 10.18503/1995-2732-2021-19-3-109-115
Abstract
The materials used in the extreme conditions of the Far North and the Arctic should have a set of characteristics that are hard to combine: high strength, ductility, toughness at low temperatures and weldability, as well as low sensitivity to stress concentrators and no tendency to brittle fracture. However, conventional approaches to achieving a complex of materials properties that meet the operating conditions provide an increase in the values of one of the properties with a simultaneous loss of the level of the rest or some of them. The problem is aggravated by the fact that a decrease in the operating temperature is accompanied by lower ductility and impact toughness of the material. Therefore, the products presented on the world market satisfy increased requirements only for one of the key parameters that determine a narrow focus of their application (either wear resistance, or cold resistance, or high strength, etc.). This limits the possibility of their application under the simultaneous influence of low temperatures, corrosive environments, static, dynamic, cyclic or pulse loads and intensive wear. The paper demonstrates a need for producing new multifunctional import-substituting materials with a unique combination of the above mentioned properties and cold resistance at down to minus 70 °C. The innovative technology for these products is planned to be developed on the industrial site of PJSC MMK with scientists from Nosov Magnitogorsk State Technical University and supported by the Ministry of Science and Higher Education of Russia. The combination of the basic characteristics of materials under development is superior to the materials of a similar application existing on the world market. This determines an opportunity of their simultaneous multipurpose use in critical facilities and structures.
Keywords
Import substitution, multifunctional materials, innovative technology, strength, wear resistance, cold resistance, the Far North, the Arctic.
For citation
Poletskov P.P., Gulin A.E., Emaleeva D.G., Kuznetsova A.S., Alekseev D.Yu., Kukhta Yu.B. Analysis of Current Areas of Research in Production of Multifunctional Materials for Extreme Operating Conditions. Vestnik Magnitogorskogo Gosudarstvennogo Tekhnicheskogo Universiteta im. G.I. Nosova [Vestnik of Nosov Magnitogorsk State Technical University]. 2021, vol. 19, no. 3, pp. 109–114. https://doi.org/10.18503/1995-2732-2021-19-3-109-114
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