Preparing Zr65Al7.5Ni10Cu17.5 bulk metallic glasses based on point-line-face-body theory

Chang Zexin; Wang Wenxian; Ge Yaqiong

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Preparing Zr65Al7.5Ni10Cu17.5 bulk metallic glasses based on point-line-face-body theory

机译：准备ZR65AL7.5NI10CU17.5基于点线面体理论的散装金属眼镜

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Zr65Al7.5Ni10Cu17.5 bulk metallic glasses (BMGs) were prepared based on point-line-face-body (PLFB) theory with the pre-laid powder method from laser processing. The thickness of the prepared bulk amorphous alloy was about 1.6 mm. The microstructure evolution, phase composition, chemical component distribution, and corrosion behavior of the bulk amorphous alloy were investigated. The results showed that the amorphization ratio increased with the increase of the thickness of Zr65Al7.5Ni10Cu17.5 BMGs; furthermore, the volume fraction of the amorphous phase in the bottom layer (first layer), the middle layer (fourth layer), and the surface layer (seventh layer) was approximately 52%, 66%, and 74%, respectively. Due to different thermal cycles during the PLFB-forming process, the amorphous and crystallization coexisted in the deposited layers. For the corrosion property, the experiments of potentiodynamic polarization plots, Nyquist plots, and the equivalent circuits were performed in 3.5 wt. % sodium chloride solution. The seventh layer exhibits better corrosion-resistance performance than the other layers, which can be attributed to a higher amorphization ratio in the surface layer. (C) 2016 Optical Society of America

机译：ZR65Al7.5NI10Cu17.5基于点对线 - 面体（PLFB）理论使用来自激光加工的预包粉法制备的散装金属眼镜（BMG）。制备的本体非晶合金的厚度约为1.6mm。研究了本体非晶合金的微观结构演化，相组合物，化学成分分布和腐蚀行为。结果表明，Zr65Al7.5ni10cu17.5 bmgs的厚度的增加，非晶化率增加;此外，底层（第一层），中间层（第四层）和表面层（第七层）中非晶相的体积分别分别为约52％，66％和74％。由于PLFB形成过程中的不同热循环，在沉积层中共存的无定形和结晶。对于腐蚀性，在3.5重量％中进行了电位动力学偏振图，奈奎斯特图和等效电路的实验。％氯化钠溶液。第七层表现出比其他层更好的耐腐蚀性能，其可归因于表面层中的较高的非晶化比。（c）2016年美国光学学会

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《Applied optics》 |2016年第14期|共7页
作者
Chang Zexin; Wang Wenxian; Ge Yaqiong;
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Taiyuan Univ Technol Coll Mat Sci &

Engn 79 West Yingze St Taiyuan 030024 Shanxi Province Peoples R China;

Taiyuan Univ Technol Coll Mat Sci &

Engn 79 West Yingze St Taiyuan 030024 Shanxi Province Peoples R China;

Taiyuan Univ Sci &

Technol Coll Mat Sci &

Engn Taiyuan 030024 Peoples R China;

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Preparing Zr65Al7.5Ni10Cu17.5 bulk metallic glasses based on point-line-face-body theory

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