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Crystallization behavior of Zr-based bulk metallic glass under super high magnetic field

机译:Zr基大块金属玻璃在超高磁场下的结晶行为

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Crystallization behavior of Zr_(62)Al_8Ni_(13)Cu_(17) bulk metallic glass under high magnetic field(up to 10T) was investigated by means of DSC and TEM. The results showed that when annealed at 703 K for 20 min, full crystallization happened while no magnetic field was applied, however, perfect amorphous state is still kept under high magnetic field of 10T. When annealed at higher temperature(753K), uniform nanocrystallines formed, and crystalline size is kept in nano-meter. The above results indicates that applied high magnetic field postponed crystallization process. And nanocrystallines are more easily got through applying high magnetic field during annealing amorphous alloys.
机译:通过DSC和TEM研究了Zr_(62)Al_8Ni_(13)Cu_(17)块状金属玻璃在高磁场(最高10T)下的结晶行为。结果表明,在703K退火20min时,没有施加磁场就发生了完全结晶,但是在10T的高磁场下仍保持了完美的非晶态。当在较高温度(753K)下退火时,会形成均匀的纳米晶体,并且晶体尺寸保持在纳米级。以上结果表明,施加高磁场会延迟结晶过程。在非晶态合金退火过程中,通过施加高磁场更容易获得纳米晶。

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