Microstructure and Mechanical Properties of TiB-Ti/Ti-6Al-4V Composites Fabricated by Spark Plasma Sintering

Abstract:

TiB-Ti/Ti-6Al-4V composites were fabricated by spark plasma sintering (SPS) technique under a pressure of 50MPa, with sintering temperature of 1300 °C and heating rate of 100 °C /min. The effect of the TiB content in TiB-Ti composite layer on microstructures and mechanical properties of the TiB-Ti/Ti-6Al-4V composites were investigated. The results indicate that as an advanced welding method, SPS technique provided the excellent welding combination of TiB-Ti and Ti-6Al-4V. The relatively excellent mechanical properties of the joints, including the relative density of 98.6%, micro-hardness of 10.2GPa, fracture strength of 177MPa were achieved as TiB content in TiB-Ti composite layer reaches 50%.

• Periodical: Applied Mechanics and Materials (Volume 782)
• Pages: 107-112
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.782.107
• Online since: August 2015
• Authors: Li Fen Wang, Zhao Hui Zhang, Tie Jian Su, Fu Chi Wang
• Keywords: Joint, Mechanical Property, Microstructure, Spark Plasma Sintering, TiB-Ti/Ti-6Al-4V Composites

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