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Processing And Properties Of Aluminium Based Composites Reinforced With In-Situ Tib2 Particles

Author: A. Mandal, S. Deepak Kumar, M. Chakraborty   |   Document Download   |   Product code: ZCP2014MSTP1261

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Classified as: Aluminum Composites Processing ...more

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The present work highlights the synthesis, processing and characterization of Aluminium based in-situ metal matrix composites (MMCs) reinforced with titanium diboride (TiB2) particles created by an exothermic reaction of K2TiF6 and KBF4 with molten aluminium. Few aspects of Al-TiB2 composites that will be presented are: development of in-situ Al-TiB2 composites, isothermal ageing behaviour of in-situ composites, semisolid processing of A356-5wt.%TiB2 composites, equichannel angular pressing (ECAP) of Al-5wt.%TiB2 composites and "mechanical and tribological" properties of Al alloy based TiB2 composites. It was observed that TiB2 particles accelerate the ageing kinetics of precipitation hardenable aluminium alloys. The thixoforging of A356-5wt.%TiB2 composites was also explored. The composites after ECAP resulted in homogenous distribution of TiB2 particles. The mechanical and tribological properties were correlated with the microstructure of the in-situ composites.
  • From: Materials Science & Technology 2014 (MS&T)
  • Publisher: TMS
  • Published: 2014
  • Pages: 7