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

Publication de 4  numéros par an

ISSN Imprimer: 1093-3611

ISSN En ligne: 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

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LARGE AMPLITUDE OSCILLATIONS IN ELECTRIC ARCS SUSTAINED ON HETEROGENEOUS ELECTRODES IN GASEOUS ATMOSPHERE

Volume 2, Numéro 1, 1998, pp. 35-47
DOI: 10.1615/HighTempMatProc.v2.i1.40
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RÉSUMÉ

In an electric arc, which is free burning in a gaseous atmosphere between electrical contact pieces, or during etching by arcing of oxidised metal surfaces, one can observe large amplitude voltage oscillations. These oscillations should be distinguished from the ordinary voltage noise observed in most of electric arcs. They are related on the nature of the cathode material, notably on the presence on the surface of particles or layers of insulating or low conduction material, such as oxides or nitrides. The light intensity emitted by the arc is time related with the arc voltage oscillations. Interpretation of the origin of these oscillations involves temperature variations on the cathode surface and in the plasma column, and fluctuations of the concentration of the metal vapour content in the plasma.

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