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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Thermodynamic mechanisms of mechanical crystallization of amorphous Fe-N alloy
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Thermodynamic mechanisms of mechanical crystallization of amorphous Fe-N alloy

机译：非晶态Fe-N合金机械结晶的热力学机理

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摘要

An amorphous Fe-N alloy is prepared by ball milling a mixture of Fe and hexagonal boron nitride. Its crystallization processes were studied upon mechanical milling and annealing under normal and high pressure. The crystallization product of the amorphous Fe-N alloy induced by mechanical milling and annealing at temperatures between 690 and 800 K under pressures of 3-4 GPa is the #epsilon#-Fe_xN phase. while the thermal crystallization product under normal pressure is #gamma#'-Fe_4N. The difference in crystallization product between mechanical crystallization and thermal crystallization is attributed to the effects of local pressure and local temperature produced by ball collisions on crystallization of amorphous Fe-N alloy.
机译：通过球磨Fe和六方氮化硼的混合物来制备非晶Fe-N合金。通过在常压和高压下进行机械研磨和退火研究了其结晶过程。通过机械研磨和在3-4 GPa的压力下在690和800 K之间的温度下进行机械研磨和退火而诱发的非晶态Fe-N合金的结晶产物为＃epsilon＃-Fe_xN相。常压下的热结晶产物为＃γ＃'-Fe_4N。机械结晶和热结晶之间结晶产物的差异归因于球碰撞产生的局部压力和局部温度对非晶态Fe-N合金结晶的影响。

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