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首页> 外文期刊>Materials express: an international journal on multidisciplinary materials research >The forming and crystallization behaviors of Zr50Ti5Cu27Ni10Al8 bulk amorphous alloy by laser additive manufacturing
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The forming and crystallization behaviors of Zr50Ti5Cu27Ni10Al8 bulk amorphous alloy by laser additive manufacturing

机译：激光添加剂制造Zr50Ti5Cu27Ni10A18块状非晶合金的成型和结晶行为

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摘要

Due to the small size and serious crystallization, the wider application of amorphous alloy materials is limited. In this paper, the bulk amorphous alloy with the size of 15 mm x 15 mm x 12 mm was made by selective laser melting technology. The characters of the composition and structure of the as-prepared bulk amorphous alloy and the thermal effect of the preparation process were analyzed. The results showed that the cooling rate of both the molten pool and the heat affected zone were much higher than the critical cooling rate of the amorphous alloy and, therefore, the cooling rate was not the reason for the crystallization in this experiment. The molten pool of the formed amorphous alloy block was completely amorphous. Due to the accumulation of structural relaxation, crystallization occurred in the heat affected zone, but the amorphous structure was still dominant. The increase in deposition layer had no obvious effect on crystallization.
机译：由于尺寸小，结晶严重，较宽的非晶合金材料的应用是有限的。 在本文中，通过选择性激光熔化技术制备尺寸为15mm×15mm×12mm的体积非晶合金。 分析了由制备的体积非晶合金的组合物和结构的特性及制备方法的热效果。 结果表明，熔池和热影响区的冷却速率远高于非晶合金的临界冷却速率，因此冷却速率不是该实验中结晶的原因。 形成的无定形合金块的熔池是完全无定形的。 由于结构松弛的积累，在热影响区域发生结晶，但无定形结构仍然优势。 沉积层的增加对结晶没有明显的影响。

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