Journal article
PLASMA SPRAYING OF HIGH-NITROGEN-BEARING STEELS FOR WEAR-RESISTANT COATINGS AND STRUCTURAL APPLICATIONS
Journal of materials engineering and performance, v 3(4), pp 476-483
01 Aug 1994
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Thermally sprayed coatings of high-nitrogen-bearing steel for corrosion resistance and wear applications were investigated. High-nitrogen steels represent a new class of engineering materials, Additions of nitrogen enhance the strength, corrosion resistance, and hardness of austenitic stainless steels without sacrificing low-temperature ductility and fracture toughness, In addition, the precipitation of nitrides at the grain boundaries is slower compared to that of ferrous carbides, thus increasing the elevated-temperature use of the steels, The objective was to take advantage of these properties and produce high-nitrogen steels via plasma spraying. An Fe-18Cr-18Mn steel with 0.61 wt% N was air and vacuum plasma sprayed over steel and aluminum substrates. Plasma spraying was conducted with Ar/H-2, Ar/He, and Ar/N-2 plasma gases in air, vacuum, and nitrogen atmospheres,It was found that the nitrogen atmosphere increased the nitrogen and nitride content of the coatings and improves wear and corrosion properties. The sprayed coatings were characterized for nitrogen and oxygen content, porosity, hardness, and wear resistance.
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Details
- Title
- PLASMA SPRAYING OF HIGH-NITROGEN-BEARING STEELS FOR WEAR-RESISTANT COATINGS AND STRUCTURAL APPLICATIONS
- Creators
- S Khatri - Foster-MillerR Smith - Drexel UniversityP Jokiel - RWTH Aachen UniversityE Lugscheider - RWTH Aachen UniversityM Bohley - Honeywell
- Publication Details
- Journal of materials engineering and performance, v 3(4), pp 476-483
- Publisher
- Asm International
- Number of pages
- 8
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- College of Medicine
- Web of Science ID
- WOS:A1994QE40200004
- Scopus ID
- 2-s2.0-0028493004
- Other Identifier
- 991019173784504721
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- Collaboration types
- Industry collaboration
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Materials Science, Multidisciplinary