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THE STUDY OF THE INFLUENCE OF THE COMPOSITION OF FLUX-CORED
WIRE ПП-Нп-35В9Х3СФ ON THE PROPERTIES SURFACED ROLLER
Kozyrev N.A., (Engineering), Professor, e-mail:
Titov D.V., Ph.D. student, e-mail:
Kibko N.V., Ph.D. (Engineering), Senior lecturer, e-mail:
Siberian State Industrial University, 42 Kirova str., Novokuznetsk, 654007, Russian Federation
Abstract
The influence of the introduction of the cored wire from steel 35В9Х3СФ carbon-fluorine
containing additives and nickel on the microstructure, microhardness, hardness and abrasive wear of
weld layers. It is shown that the use of nickel provides the grain refinement of austenite, the
dispersion of the needles of martensite promotes the formation of carbides dispersed structure,
which may have an impact on improving thermal rolls, increases the microhardness of martensite
and the hardness of the deposited steel, reduces abrasive wear of weld layers. Introduction to the
composition of the charge carbon-fluorine containing additives enhancing the properties of steel
surfaced: increased hardness and reduced abrasion of the deposited layer.
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.