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Grain Refinement, Microstructural and Hardness Investigation of C Added Ti-15-3 Alloys Prepared by Argon Arc Melting

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Abstract

Mechanical properties of as-cast beta titanium (β-Ti) alloy can be improved by grain refinement and formation of insoluble precipitate. This paper reports the effect of carbon (C) addition on microstructure and hardness of cast Ti–15V–3Cr–3Sn–3Al (Ti-15-3) samples prepared by argon arc melting. X-ray diffraction analysis of C added as cast Ti-15-3 samples revealed the presence of β-Ti and TiC phases. Scanning electron microscope analysis revealed eutectic TiC precipitates in C added Ti-15-3 samples while a reduction in grain size was observed with increasing carbon addition. Inoculation effect due to TiC and growth restriction by C for β phase resulted in decreased grain size. Hardness of C added Ti-15-3 alloys increased with the increased carbon content of the sample. The improvement in hardness was contributed by grain refinement and the formation of TiC precipitates in the samples.

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Authors and Affiliations

  1. Faculty of Applied Sciences, Universiti Teknologi MARA, Shah Alam, Malaysia

    Izzul Adli Mohd Arif, Mahesh Kumar Talari & Ahmad Lutfi Anis

  2. Faculty of Mechanical Engineering, Universiti Teknologi MARA, Shah Alam, Malaysia

    Muhammad Hussain Ismail

  3. Laboratory for Advanced Materials Processing, Empa, Swiss Federal Laboratories for Material Science and Technology, Feuerwerkerstrasse 39, 3602, Thun, Switzerland

    N. Kishore Babu

Authors
  1. Izzul Adli Mohd Arif
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  2. Mahesh Kumar Talari
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  3. Ahmad Lutfi Anis
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  4. Muhammad Hussain Ismail
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  5. N. Kishore Babu
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Correspondence to Mahesh Kumar Talari.

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Arif, I.A.M., Talari, M.K., Anis, A.L. et al. Grain Refinement, Microstructural and Hardness Investigation of C Added Ti-15-3 Alloys Prepared by Argon Arc Melting. Trans Indian Inst Met 70, 861–865 (2017). https://doi.org/10.1007/s12666-017-1048-3

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  • DOI: https://doi.org/10.1007/s12666-017-1048-3

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