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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

Indexed in

COLD ELECTRODE EROSION MODEL FOR UNSTEADY ARC SPOTS

Volume 15, Numéro 4, 2011, pp. 329-335
DOI: 10.1615/HighTempMatProc.v15.i4.100
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RÉSUMÉ

The step-wise model of displacement of the arc spot in cold electrode arc heaters is considered in this report. We have shown theoretically that the nature of the motion of the arc spot substantially influences the erosion: the step-wise motion of the spot leads to the increase in the erosion in comparison with the continuous motion, the greater it is, the greater the length of the arc step. We compared both models to the same experimental results for copper cathode in air. The step-wise model shows somewhat better agreement to our experimental erosion data, than the continuous one. In order to access the validity of the step-wise model we used results for electric discharge machining experiments. A good agreement was also obtained.

RÉFÉRENCES
  1. Marotta, A. and Sharakhovsky, L. I. , A theoretical and experimental investigation of copper electrode erosion in electric arc heaters. I: The thermophysical model.

  2. Sharakhovsky, L. I., Marotta, A., and Borisyuk, V. N. , A theoretical and experimental investigation of copper electrode erosion in electric arc heaters, III: Experimental validation and prediction of erosion.

  3. Sharakhovsky, L. I., Marotta, A., and Borisyuk, V. N. , A theoretical and experimental investigation of copper electrode erosion in electric arc heaters, II: Experimental determination of arc spot parameters.

  4. DiBitonto, D. D., Eubank, P. T., Patel, M. R., and Barrufet, M. A. , Theoretical models of the electrical discharge machining process, I. A simple cathode erosion model.

CITÉ PAR
  1. Yuan Jie, Long Yongsheng, Zhu Tao, Liu Yuan, Yin Dongdi, Yang Bin, Copper Cathode’s Ablated Structure Operated in a 50 Megawatt Arc Heater, Journal of Thermophysics and Heat Transfer, 33, 4, 2019. Crossref

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