Актуальные проблемы в машиностроении Том 4 №2 2017

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Actual Problems in Machine Building. Vol. 4. N 2. 2017 Materials Science
in Machine Building
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STUDYING THE EFFECT OF COBALT ADDITIVE IN TO THE FLUX CORED WIRE
SYSTEM Fe-C-Si-Mn-Cr-Ni-Mo-V ON THE STRUCTURE AND PROPERTIES OF THE
DEPOSITED METAL
Osetkovskii I.V., Master’s Degree student, e-mail:
Kozyrev N.A., (Engineering), Professor, e-mail:
Kibko N.V., Ph.D. (Engineering), Senior lecturer, e-mail:
Popova M.V., . (Engineering), Professor, e-mail:
Kryukov R.E., Ph.D. (Engineering), Senior lecturer, e-mail:
Siberian State Industrial University, 42 Kirov st., Novokuznetsk, 654007, Russian Federation
Abstract
Researched cobalt additive in the charge of flux coder wire system Fe-C-Si-Mn-Cr-Ni-Mo-V
influence on structure, nature of nonmetallic inclusions, hardness and wear resistance of surfaced
metal. In the laboratory conditions were manufactured flux coder wire samples with the use of
corresponding powder materials. As a carboncontaine material were used the dust of aluminum
production dry scrubbing.
In the course of the research were defined chemical composition and mechanical properties of
deposited layer and metallographic analysis were made. After the metallographic analysis was
established size of former austenite grain, martensite degree of dispersion and nonmetallic impurity
rating of the deposited layer. It was shown that nickel contain raising up to 0,65% as well as raising
cobalt contain while reducing carbon contain down to 0,17-0,23% promotes reducing size of
martensite needles and size of former austenite grain.
Changing allowing rate of the flux cored wire system Fe-C-Mn-Si-Cr-Ni-Mo-V practically does
not influence on nonmetallic impurity level of its deposited layer.
Keywords
Wire, shock-abrasive wear, welding, restoration, multivariate analysis, wear resistance, hardness,
non-metallic inclusions, structure