Protective Mo2NiB2–Ni coatings by centrifugal metallothermic SHS

V. N. Sanin; D. M. Ikornikov; D. E. Andreev; V. I. Yukhvid; B. Derin; O. Yücel

doi:10.3103/S1061386215030097

Protective Mo₂NiB₂–Ni coatings by centrifugal metallothermic SHS

V. N. Sanin^*, D. M. Ikornikov, D. E. Andreev, V. I. Yukhvid, B. Derin, O. Yücel

^*Corresponding author for this work

Department of Metallurgical and Materials Engineering

RAS - Merzhanov Institute of Structural Macrokinetics and Materials Science

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Cast Mo₂NiB₂–Ni metal-matrix composites and protective coatings thereof were fabricated by centrifugal metallothermic SHS process. The quality of SHS surfacing was found to depend on process parameters such as the mass of green mixture per unit surface area of substrate and centrifugal acceleration. The hardness of synthesized coatings was rather high and attained as large values as 800–1200 H_V. Optimal conditions for deposition of high-quality protective coatings onto a steel substrate were found experimentally. The process can be recommended for practical implementation in production of cutting tools, tribological materials, molds, and deposition of protective coatings. The present results can be expected to make a theoretical background for industrial-scale manufacturing of new tungsten-free MMCs and protective coatings with valued service parameters.

Original language	English
Pages (from-to)	161-170
Number of pages	10
Journal	International Journal of Self-Propagating High-Temperature Synthesis
Volume	24
Issue number	3
DOIs	https://doi.org/10.3103/S1061386215030097
Publication status	Published - 22 Jul 2015

Bibliographical note

Publisher Copyright:
© 2015, Allerton Press, Inc.

Keywords

centrifugal processing
coating
combustion synthesis
composite materials
metallothermic SHS
transition metal borides

Access to Document

10.3103/S1061386215030097

Cite this

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title = "Protective Mo2NiB2–Ni coatings by centrifugal metallothermic SHS",

abstract = "Cast Mo2NiB2–Ni metal-matrix composites and protective coatings thereof were fabricated by centrifugal metallothermic SHS process. The quality of SHS surfacing was found to depend on process parameters such as the mass of green mixture per unit surface area of substrate and centrifugal acceleration. The hardness of synthesized coatings was rather high and attained as large values as 800–1200 HV. Optimal conditions for deposition of high-quality protective coatings onto a steel substrate were found experimentally. The process can be recommended for practical implementation in production of cutting tools, tribological materials, molds, and deposition of protective coatings. The present results can be expected to make a theoretical background for industrial-scale manufacturing of new tungsten-free MMCs and protective coatings with valued service parameters.",

keywords = "centrifugal processing, coating, combustion synthesis, composite materials, metallothermic SHS, transition metal borides",

author = "Sanin, {V. N.} and Ikornikov, {D. M.} and Andreev, {D. E.} and Yukhvid, {V. I.} and B. Derin and O. Y{\"u}cel",

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AU - Sanin, V. N.

AU - Ikornikov, D. M.

AU - Andreev, D. E.

AU - Yukhvid, V. I.

AU - Derin, B.

AU - Yücel, O.

PY - 2015/7/22

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N2 - Cast Mo2NiB2–Ni metal-matrix composites and protective coatings thereof were fabricated by centrifugal metallothermic SHS process. The quality of SHS surfacing was found to depend on process parameters such as the mass of green mixture per unit surface area of substrate and centrifugal acceleration. The hardness of synthesized coatings was rather high and attained as large values as 800–1200 HV. Optimal conditions for deposition of high-quality protective coatings onto a steel substrate were found experimentally. The process can be recommended for practical implementation in production of cutting tools, tribological materials, molds, and deposition of protective coatings. The present results can be expected to make a theoretical background for industrial-scale manufacturing of new tungsten-free MMCs and protective coatings with valued service parameters.

AB - Cast Mo2NiB2–Ni metal-matrix composites and protective coatings thereof were fabricated by centrifugal metallothermic SHS process. The quality of SHS surfacing was found to depend on process parameters such as the mass of green mixture per unit surface area of substrate and centrifugal acceleration. The hardness of synthesized coatings was rather high and attained as large values as 800–1200 HV. Optimal conditions for deposition of high-quality protective coatings onto a steel substrate were found experimentally. The process can be recommended for practical implementation in production of cutting tools, tribological materials, molds, and deposition of protective coatings. The present results can be expected to make a theoretical background for industrial-scale manufacturing of new tungsten-free MMCs and protective coatings with valued service parameters.

KW - centrifugal processing

KW - coating

KW - combustion synthesis

KW - composite materials

KW - metallothermic SHS

KW - transition metal borides

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