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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

Published 4 issues per year

ISSN Print: 1093-3611

ISSN Online: 1940-4360

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.4 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.1 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00005 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.07 SJR: 0.198 SNIP: 0.48 CiteScore™:: 1.1 H-Index: 20

Indexed in

POST-PROCESSING OF CERAMIC OXIDE AND METALLIC COATED SURFACES USING MICROWAVE GLAZING

Volume 21, Issue 1, 2017, pp. 37-52
DOI: 10.1615/HighTempMatProc.2017020399
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ABSTRACT

In the material environment configuration, where the mechanical components and cutting tools are facing higher performance requirements, but are often restricted by their surface properties, these can be enhanced by applying industrial ceramics and/or metallic coatings. Thermal plasma spraying is one such pragmatic coating technique for ceramics and their oxides (TBC), and a highvelocity oxyfuel (HVOF) method for metallic coatings. Inherent presence of defects due to the cohesive strength, ultra-finely grained microstructure within the splates, porosity morphology, occurrence of cracks and defects calls for suitable modification of the coating microstructures in order to improve the quality and performance. In microwave heating (MH), energy is directly transferred to the material through an interaction of electromagnetic waves with molecules leading to volumetric heating. At low temperatures, ceramics are transparent to microwaves and absorb them at high temperatures resulting in a change in their microstructure and material characteristics. In this study, MH has been used for post-processing of plasma-sprayed alumina–titania, partially stabilized zirconia TBC coatings on the steel substrate, and HVOF-sprayed tungsten cobalt oxide metallic coatings on cemented carbide tools, and the resulting properties are evaluated. Results show a reduction in porosity, enhancement in microhardness, surface finish, and wear resistance of the glazed surfaces of coatings.

CITED BY
  1. Yunus Mohammed, Alsoufi Mohammad S., Pizzarelli Marco, Characterization of Thermally Sprayed Coated GT Components Made of 3D Printing Based Selective Laser Melting Processed Inconel Alloy 718, International Journal of Aerospace Engineering, 2021, 2021. Crossref

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