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首页> 外文期刊>Science and Technology of Advanced Materials >Electron irradiation induced crystallization of the amorphous phase in Zr_(65.0)Al_(7.5)Ni_(10.0)Cu_(17.5) metallic glass
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Electron irradiation induced crystallization of the amorphous phase in Zr_(65.0)Al_(7.5)Ni_(10.0)Cu_(17.5) metallic glass

机译：电子辐照诱导Zr_（65.0）Al_（7.5）Ni_（10.0）Cu_（17.5）金属玻璃中非晶相的结晶

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摘要

The electron irradiation effect on microstructure change of the amorphous phase in Zr_(65.0)Al_(7.5)Ni_(10.0)Cu_(17.5) metallic glass with the largest supercooled liquid region was examined under electron irradiation at 103 and 298 K using an ultra high voltage electron microscope. The nanocrystalline structure composed of f.c.c.-Zr_2Cu with a mean grain size on the order of 10 nm order and an amorphous matrix was formed by electron irradiation induced crystallization, while by thermal annealing b.c.t.-Zr_2Cu, f.c.c.-Zr_2Ni and Zr_6Al_2Ni phases were formed and the nanocrystalline structure could not be realized. The crystalline structure obtained by electron irradiation induced crystallization was different from that formed by the thermal crystallization of the amorphous phase in terms of the constituent phases and the size of crystalline precipitates. This noble result indicates that electron irradiation to an amorphous phase in metallic glasses is very effective in obtaining the nanocrystalline structure, and encourages future industrial application of amorphous alloys.
机译：在103和298 K的超高电子辐照下，研究了电子辐照对过冷液体最大的Zr_（65.0）Al_（7.5）Ni_（10.0）Cu_（17.5）金属玻璃中非晶相微结构变化的影响。电压电子显微镜。由fcc-Zr_2Cu组成的纳米晶体结构，平均晶粒尺寸为10 nm数量级，并通过电子辐照诱导结晶形成非晶基质，同时通过热退火bct-Zr_2Cu形成fcc-Zr_2Ni和Zr_6Al_2Ni相，并形成纳米晶体结构无法实现。通过电子辐射诱导的结晶获得的晶体结构与非晶相的热结晶形成的晶体结构在组成相和晶体沉淀物的尺寸方面不同。这一高贵的结果表明，对金属玻璃中的非晶态进行电子辐照对于获得纳米晶体结构非常有效，并促进了非晶态合金的未来工业应用。

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