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

Published 4 issues per year

ISSN Print: 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

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RESIDUAL STRESS MEASUREMENT DURING PLASMA SPRAYING OF ALUMINA OR ZIRCONIA AND COMPARISON WITH A ID MODEL

Volume 2, Issue 3, 1998, pp. 339-357
DOI: 10.1615/HighTempMatProc.v2.i3.40
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ABSTRACT

A system, developed in the laboratory, allows to record in situ the deformation of a flat beam with a displacement sensor and so to analyse stresses formation during spraying and upon cooling with fixed or rotating substrates.
For alumina coatings sprayed on XC38 forged steel substrates a systematic study of the preheating temperature and pass thickness has been performed. Preheating temperature was varied from 200°C to 700°C and pass thicknesses were either thin (3 to 25 µm) or thick (60 to 180 µm). In the latter case the splats within a pass remain in a molten state as soon as the deposited thickness is over 100-180 µm depending on spraying conditions.
For thin passes the quenching stress σq increases with temperature and is maximum for 25 µm thick passes (up to 70 MPa at 600°C). For thick passes preheating temperature must be lower than 500°C and σq reaches a maximum of 55 MPa. The corresponding coating cross sections show the existence of macrocracks. The comparison of the experimental results with those calculated with a ID simplified model developed by Tsui and Clyne allows to determine, the Young's modulus Ed of the coatings. For thin passes Ed can reach 160 GPa while for thick passes it reaches its peak at about 70 GPa.

CITED BY
  1. Shinoda Kentaro, Colmenares-Angulo Jose, Valarezo Alfredo, Sampath Sanjay, Effect of Deposition Rate on the Stress Evolution of Plasma-Sprayed Yttria-Stabilized Zirconia, Journal of Thermal Spray Technology, 21, 6, 2012. Crossref

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