Abstract
A Ti/Zr based solid solution with a nominal wt. % composition of 37.5Ti-37.5Zr-15Cu-10Ni (eutectic) has been successfully synthesized by mechanical alloying using a high-energy planetary ball mill and it was performed at 250 rpm and different milling periods of 5, 10, and 15 h. Scanning electron microscopy revealed that the powder experienced severe deformation from the milling process. The powder was heat treated using an indigenous infrared tube furnace at a heating rate of 200 °C/min. X-ray diffraction results showed the presence of several nanocrystalline intermetallic compounds after infrared heat treating at 750 °C for 15 min in an argon atmosphere. The feature of infrared radiation ensured that the nanocrystalline size of the produced powder remained almost intact during the milling process. The crystal size, lattice parameter, and lattice strain at the optimal milling period (10 h) were determined to be 13 nm, 2.7 Å, and 0.4 %, respectively.
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