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مقاله Molecular Dynamics Simulation of Cooling Rate Effect on Formation of CuZr Nanostructured Alloy تحت word دارای 2 صفحه می باشد و دارای تنظیمات در microsoft word می باشد و آماده پرینت یا چاپ است

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بخشی از متن مقاله Molecular Dynamics Simulation of Cooling Rate Effect on Formation of CuZr Nanostructured Alloy تحت word :

سال انتشار: 1387

محل انتشار: دومین کنگره بین المللی علوم و فناوری نانو

تعداد صفحات: 2

چکیده:

Recently nanostructured materials have attracted considerable attentions due to their superior mechanical properties at conventional temperatures which are mostly due to grain-boundary blocking of slips bands [1].Most metals and alloys exist in crystalline state. However at room temperature there are also amorphous metallic alloys which appear in a state which is essentially similar to liquids. Nanostructured metals can be interpreted as in a region between crystalline and amorphous state in which the crystallite sizes are in nano-scale range and there are considerable amount of amorphous grain boundary phase. There are several methods of production for nanostructure alloys including thermal aging of BMG, controlled nucleation of melt, severe mechanical treatments, etc.In this paper effects of cooling rate in solidification on crystallization of a composition in Cu1-xZrx alloy system have been reported. This system is known to have a good glass-forming ability in 0.35<x<0.75 range of composition