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An Experimental Study On Microstructure Of Tungsten Alloys

Author

Listed:
  • E. DEMIR

    (Istanbul Technical University, Istanbul, 34469 Turkey†Joint Institute for Nuclear Research, Dubna, Moscow distr., 141980 Russia)

  • M. N. MIRZAYEV

    (#x2020;Joint Institute for Nuclear Research, Dubna, Moscow distr., 141980 Russia‡Institute of Radiation Problems, Azerbaijan National Academy of Sciences, Baku, AZ1143 Azerbaijan)

  • A. B. TUĞRUL

    (Istanbul Technical University, Istanbul, 34469 Turkey)

  • B. A. ABDURAKHIMOV

    (#x2020;Joint Institute for Nuclear Research, Dubna, Moscow distr., 141980 Russia§Institute of Nuclear Physics, Academy of Sciences of Uzbekistan Tashkent, 100214, Uzbekistan)

  • S. İ. KARAASLAN

    (#xB6;Yeditepe University, Istanbul, 34755, Turkey)

Abstract

The aim of this study is to provide information about microstructural and thermal properties of tungsten-based composites. Phase composition and microstructural characterization of tungsten composites were performed using X-ray diffractometer (XRD), Scanning Electron Microscopy (SEM), and Raman Spectroscopy. SEM images revealed the distribution of tungsten (W), vanadium carbide (VC) and graphite (C) powders in the tungsten matrix. The Raman spectra showed two major peaks, which are recorded at 1331 (vs) cm−1, and 1583 (vs) cm−1. These bands can be attributed to disorder graphite (D) and graphite (G). Thermogravimetric analysis (TGA) measurements were performed to determine the weight loss and thermal stability of the tungsten-based composites under argon gas atmosphere and at high temperatures. TGA measurements were performed to determine weight loss and thermal stability of tungsten-based composites under argon gas atmosphere and at high temperatures. The TG curve showed a slight weight loss in this temperature range. Mass loss is thought to be due to oxidation and gas desorption of materials.

Suggested Citation

  • E. Demir & M. N. Mirzayev & A. B. Tuğrul & B. A. Abdurakhimov & S. İ. Karaaslan, 2020. "An Experimental Study On Microstructure Of Tungsten Alloys," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 27(07), pages 1-7, July.
    • Handle: RePEc:wsi:srlxxx:v:27:y:2020:i:07:n:s0218625x19501695
    DOI: 10.1142/S0218625X19501695
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