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

Erscheint 4 Ausgaben pro Jahr

ISSN Druckformat: 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

IN-FLIGHT OXIDATION AND EVAPORATION OF PLASMA-SPRAYED IRON PARTICLES

Volumen 7, Ausgabe 3, 2003, pp. 277-298
DOI: 10.1615/HighTempMatProc.v7.i3.10
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ABSTRAKT

Metal particles injected in a plasma jet flowing through air may be subjected to evaporation and reaction with entrained oxygen. These phenomena are undesirable from the viewpoints of quality of coating, powder utilization, and fume formation. This paper is concerned with the plasma-spraying of iron powders and presents the results of four sequential models that simulated, a) temperature/velocity/concentration profiles and particle trajectories in the jet flow, b) heat transfer between plasma gas and particles, c) interaction between iron evaporation and oxidation phenomena, and d) oxidation rate of liquid iron droplets along particle trajectories The results showed that oxidation may be enhanced by induced flow within the particle that sweeps away the outer layer of iron oxide and exposes new metal surface. Also, the presence of oxygen in the enveloping atmosphere enhances metal evaporation by decreasing the thickness of the boundary layer around the particle. The model projections are in fair agreement with experimental observations of plasma-sprayed iron particles and fume formation.

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