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      Erosion Behavior of a Cu-Ti 3AlC 2 Cathode by Multi-Electric Arc

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          Abstract

          A Cu-Ti 3AlC 2 cathode was eroded by arc discharging at 10 kV. The cross-sectional and horizontal morphologies of the eroded surface were recorded by a field emission scanning electron microscope (FE-SEM). The energy dispersive X-ray spectroscopy (EDS) and Raman spectrometry were carried out to analyze the compositions. The color-eroded surface was obtained by a three-dimensional laser scanning confocal microscope (3D LSCM). After 100 times of arc erosion, the Cu-Ti 3AlC 2 melted and resolidified. An eroded layer about 10 μm thick was formed, covered with pits, protrusions, and pores. The breakdown current was kept between 37 to 43 A. Under the action of a high temperature arc, Cu-Ti 3AlC 2 was oxidized to CuO and TiO 2, accompanying the evaporation of the Al element.

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          The MN+1AXN phases: A new class of solids

          Michel Barsoum (2000)
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            Large-area graphene single crystals grown by low-pressure chemical vapor deposition of methane on copper.

            Xuesong Li, Carl W Magnuson, Archana Venugopal … (2011)
            Graphene single crystals with dimensions of up to 0.5 mm on a side were grown by low-pressure chemical vapor deposition in copper-foil enclosures using methane as a precursor. Low-energy electron microscopy analysis showed that the large graphene domains had a single crystallographic orientation, with an occasional domain having two orientations. Raman spectroscopy revealed the graphene single crystals to be uniform monolayers with a low D-band intensity. The electron mobility of graphene films extracted from field-effect transistor measurements was found to be higher than 4000 cm(2) V(-1) s(-1) at room temperature.
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              Progress in research and development on MAX phases: a family of layered ternary compounds

              Z M Sun (2013)
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                Author and article information

                Journal
                Journal ID (nlm-ta): Materials (Basel)
                Journal ID (iso-abbrev): Materials (Basel)
                Journal ID (publisher-id): materials
                Title: Materials
                Publisher: MDPI
                ISSN (Electronic): 1996-1944
                Publication date (Electronic): 11 September 2019
                Publication date Collection: September 2019
                Volume: 12
                Issue: 18
                Electronic Location Identifier: 2947
                Affiliations
                [1 ]School of Material and Chemical Engineering, Bengbu University, Bengbu 233030, China; liliang8008@ 123456126.com (L.L.); bbxylzq@ 123456163.com (Z.L.)
                [2 ]Engineering Technology Research Center of Silicon-based Materials, Bengbu University, Bengbu 233030, China
                [3 ]Research and Applications of Silicon-based Materials of Bengbu University Academician Workstation, Bengbu 233030, China
                [4 ]School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, China
                Author notes
                Author information
                https://orcid.org/0000-0002-2058-4977
                Article
                Publisher ID: materials-12-02947
                DOI: 10.3390/ma12182947
                PMC ID: 6766194
                PubMed ID: 31514428
                SO-VID: f16f663d-e573-42c4-a92c-4e4859e1ffbc
                Copyright © © 2019 by the authors.
                License:

                Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license ( http://creativecommons.org/licenses/by/4.0/).

                History
                Date received : 17 August 2019
                Date accepted : 10 September 2019
                Categories
                Subject: Letter

                Keywords: cu-ti3alc2,cross-sectional morphology,arc erosion mechanism
                Data availability:
                Keywords: cu-ti3alc2, cross-sectional morphology, arc erosion mechanism

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