Abstract
Phase-separated Pd41.25Ni41.25P17.5 bulk metallic glasses (BMGs) were subjected to isothermal annealing at 613 K (340 °C) for different time periods, t, in the range of 0 ≤ t ≤ 8 hours. For 0 ≤ t ≲ 5 hours, crystalline precipitates, in the shape of spheres, appear and its density is more or less a linear function of t. They are randomly distributed in the amorphous matrix. For t ≳ 5 to 6 hours, the number density of the spherical crystalline precipitates increases rapidly. In addition, they are no longer distributed randomly in the phase-separated amorphous matrix. Clustering is displayed. Experimental results suggest that the clustering is due to cubic crystalline precipitates that start to appear when t ≈ 5 to 6 hours.
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Wu, Z.D., Lan, S. & Kui, H.W. Crystallization of Phase-Separated Pd41.25Ni41.25P17.5 BMGs. Metall Mater Trans A 45, 2399–2404 (2014). https://doi.org/10.1007/s11661-013-1939-9
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DOI: https://doi.org/10.1007/s11661-013-1939-9