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High velocity air fuel (HVAF) spraying of nickel phosphorus-coated cubic-boron nitride powders for realizing high-performance tribological coatings
University West, Department of Engineering Science, Division of Subtractive and Additive Manufacturing. (PTW)
University West, Department of Engineering Science. Universita di Modena e Reggio Emilia, Via Pietro Vivarelli 10/1, 41125 Modena (ITA). (PTW)
University West, Department of Engineering Science, Division of Subtractive and Additive Manufacturing. (PTW)ORCID iD: 0000-0003-1732-6544
Hyperion Materials & Technologies, 43085 Worthington, Ohio (USA).
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2022 (English)In: Journal of Materials Research and Technology, ISSN 2238-7854, Vol. 18, p. 59-74Article in journal (Refereed) Published
Abstract [en]

High velocity air fuel (HVAF) spraying is an emergent thermal spray process, which is used in this work to realize high-performance large area tribological coatings of nickel-phosphorus cladded cubic-boron nitride (c-BN) particles. To the best of authors’ knowledge, this is the first time that HVAF has been utilized for developing Ni–P coatings reinforced with c-BN (NBN). The importance of appropriate processing was highlighted by utilizing two different nozzle configurations, for which microstructure, phase analysis and hardness results demonstrates considerable differences. Furthermore, the coatings were subjected to sliding wear tests to assess their friction and wear characteristics. Post-wear SEM analysis reveals the associated wear mechanisms. Effect of annealing on tribological performance of NBN coatings was also examined, and it is shown that optimal processing can preclude the need for post-treatment. Results ensuing from this work lay the foundation for new generation of HVAF-sprayed wear resistant metal/c-BN composite coatings for diverse applications. © 2022 The Author(s)

Place, publisher, year, edition, pages
Elsevier Editora Ltda , 2022. Vol. 18, p. 59-74
Keywords [en]
Air; Composite coatings; III-V semiconductors; Nickel coatings; Sprayed coatings; Tribology; Wear of materials; Composites coating; High velocity air fuels; Ni-P coating; Nickel phosphorus; Nitride particles; Nitride powders; Nozzle configuration; Performance; Thermal spray process; Tribological coatings; Microstructure
National Category
Manufacturing, Surface and Joining Technology
Research subject
Production Technology
Identifiers
URN: urn:nbn:se:hv:diva-18290DOI: 10.1016/j.jmrt.2022.02.058ISI: 000778313400005Scopus ID: 2-s2.0-85126770865OAI: oai:DiVA.org:hv-18290DiVA, id: diva2:1652050
Funder
Swedish Energy Agency, P46393-1Knowledge Foundation, projectHiPerCOAT (Dnr. 20180197)
Note

The authors thank NUCoP project (Energimyndigheten, Sweden, Dnr. 2018e003191, Project nr. P46393-1 and the knowledge foundation, Sweden, for its financial support to projectHiPerCOAT (Dnr. 20180197) for their financial support. Theauthors also thank Mr. Magnus Sandberg, University West, forassisting in spraying the coatings and Mr. Mats Hogstr € om, €University West, for performing heat treatment.

Available from: 2022-04-14 Created: 2022-04-14 Last updated: 2024-04-12

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Björklund, StefanJoshi, Shrikant V.

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