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

Publicou 4 edições por ano

ISSN Imprimir: 1093-3611

ISSN On-line: 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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NEW INTERESTING RESULTS ON THE ELECTRO-DISCHARGE MACHINING

Volume 3, Edição 2-3, 1999, pp. 193-211
DOI: 10.1615/HighTempMatProc.v3.i2-3.50
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RESUMO

To have a better understanding of processes which play a role in erosion of electrodes caused by electro-discharge machining (EDM) plasmas, including the physical and chemical transformations in electrodes, it is important to know physical characteristics of the plasma and eroded materials. Its observation and their study, by techniques usual in a plasma or material science, have been undertaken. Following results have been obtained: measured plasma channel temperatures reaches values between 8000K and 10000K; craters observed on an electrode melting zone show important surface carbon concentration enrichment on about 20μm depth; mean diameter of the erosion crater on the cathode increases with time of the current impulse; for certain applied conditions, superposition of two current impulses, increased efficiency of our EDM device. Particularly, in the case of the cemented carbide, the improvement of erosion reached few hundred percents.

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