Актуальные проблемы в машиностроении. 2016. №3

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Актуальные проблемы в машиностроении. 2016. №3 Инновационные технологии
в машиностроении
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THE INFLUENCE OF NICKEL AND CARBON-FLUORINE CONTAINING ADDITIVES
ON THE STRUCTURE AND PROPERTIES OF DEPOSITED STEEL 25Х5ФМС
Kozyrev N.A., (Engineering), Professor, e-mail:
Kibko N.V., Ph.D. (Engineering), Senior lecturer, e-mail:
Umanskii A.A., Ph.D. (Engineering), Associate Professor, e-mail:
Titov D.V., Ph.D. student, e-mail:
Siberian State Industrial University, 42 Kirova str., Novokuznetsk, 654007, Russian Federation
Abstract
The influence of using carbon-fluorine containing additives and nickel on the microstructure,
volume fraction of residual austenite, hardness and abrasive wear of deposited layers, a
microhardness of martensite cored wire 25Х5ФМС. The introduction of carbon-fluorine containing
additives reduces the level of oxide non-metallic inclusions and eliminates ferritic component,
without changing the level of dispersion and microhardness of martensite increases the hardness
and reduces abrasive wear of weld layers. Introduction to the composition of the wire of nickel
refines the grain of austenite, contributes to the formation of fine carbides, reduces the rate of
abrasion of the deposited layer, and also increases the microhardness of martensite and the hardness
of the deposited layer, which should lead to increased thermal rolls.
Keywords
welding, flux, metal, slag, flux cored wire, welding, microhardness, hardness, speed of abrasion
Funding
The work is done in sibsiu as part of the project part of State task of Ministry of education and
science of the Russian Federation No. 11.1531.2014/K. When testing, research, and measurement
was used the equipment of collective use Center "Materials Science" sibsiu.