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高温材料处理:国际期刊

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ISSN 打印: 1093-3611

ISSN 在线: 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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CHARACTERIZATION OF THE WIRE ARC SPRAY PROCESS VIA IMAGE ANALYSIS, IN-FLIGHT PARTICLE CHARACTERISTICS AND COATING PROPERTIES

卷 13, 册 1, 2009, pp. 1-23
DOI: 10.1615/HighTempMatProc.v13.i1.10
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摘要

To have a better understanding of the physical phenomena in wire arc spraying process, we investigated droplet formation by discriminating particles resulting from the anode and the cathode wire atomization. The investigation showed that by spraying simultaneously two different materials, steel and copper, particle trajectory and their diameter distribution, the results related to the processing parameters. By analyzing the characteristics of captured particles implementing image analyses, the crossover direction of in-flight particles was demonstrated. The droplets produced by the anode were bigger than those issued from the cathode and their fraction number, which was also more important. In addition, some important modifications in particle characteristics were observed by inverting a material by the other at the anode and at the cathode. The melting temperature of copper as anode was a critical parameter and was responsible for the copper vaporization. In-flight particle characteristics (temperature, velocity, and diameter) were also determined by using a Fast-Infrared Pyrometer (FIP DPV2000 type diagnostic system). Concerning particle diameter distribution, a good agreement was discovered for the two approaches (in-flight and a posteriori analyses). Major influences of the electrode nature and the radial location on particle velocity and temperature distribution, was pointed out. Finally, quantitative analyses of coating compositions corroborated previous results. Indeed, the coating thickness distribution was largely dependent on the anode nature. Next, the role of each electrode was related to the droplets formation and thus, optimized operating parameters of the arc spray process were deduced.

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