In situ synthesis and hardness of TiC/Ti5Si3 composites on Ti-5Al-2.5Sn substrates by gas tungsten arc welding

Wen-qing Yan, Le Dai, Chi-bin Gui

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    Cite this article as:

    Wen-qing Yan, Le Dai, and Chi-bin Gui, In situ synthesis and hardness of TiC/Ti5Si3 composites on Ti-5Al-2.5Sn substrates by gas tungsten arc welding, Int. J. Miner. Metall. Mater., 20(2013), No. 3, pp.284-289. https://dx.doi.org/10.1007/s12613-013-0725-4
    Wen-qing Yan, Le Dai, and Chi-bin Gui, In situ synthesis and hardness of TiC/Ti5Si3 composites on Ti-5Al-2.5Sn substrates by gas tungsten arc welding, Int. J. Miner. Metall. Mater., 20(2013), No. 3, pp.284-289. https://dx.doi.org/10.1007/s12613-013-0725-4
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    In situ synthesis and hardness of TiC/Ti5Si3 composites on Ti-5Al-2.5Sn substrates by gas tungsten arc welding

    基金项目: 

    supported by the Foundation of Education Department of Guangdong Province, China (No. 2010A090200034).

      通信作者:

      Wen-qing Yan E-mail: yanwenqing77@163.com

    TiC/Ti5Si3 composites were fabricated on Ti-5Al-2.5Sn substrates by gas tungsten arc welding (GTAW). Identification of the phases was performed using X-ray diffraction (XRD). The microstructures were analyzed using scanning electron microscopy (SEM) combined with energy-dispersive X-ray spectrometry (EDS) and optical microscopy (OM). The Vickers hardness was measured with a micro-hardness tester. The TiC/Ti5Si3 composites were obtained in a double-layer track, and the Vickers hardness of the track increased by two to three times compared with the Ti-5Al-2.5Sn substrate.

     

    In situ synthesis and hardness of TiC/Ti5Si3 composites on Ti-5Al-2.5Sn substrates by gas tungsten arc welding

    Author Affilications
    • Funds: 

      supported by the Foundation of Education Department of Guangdong Province, China (No. 2010A090200034).

    • Received: 06 May 2012; Revised: 22 May 2012; Accepted: 28 May 2012;
    TiC/Ti5Si3 composites were fabricated on Ti-5Al-2.5Sn substrates by gas tungsten arc welding (GTAW). Identification of the phases was performed using X-ray diffraction (XRD). The microstructures were analyzed using scanning electron microscopy (SEM) combined with energy-dispersive X-ray spectrometry (EDS) and optical microscopy (OM). The Vickers hardness was measured with a micro-hardness tester. The TiC/Ti5Si3 composites were obtained in a double-layer track, and the Vickers hardness of the track increased by two to three times compared with the Ti-5Al-2.5Sn substrate.

     

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