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首页> 外文期刊>Philosophical Magazine Letters >The microcrystalline state of slowly solidified decaprismatic Al-Co-Cu(-Si) needles
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The microcrystalline state of slowly solidified decaprismatic Al-Co-Cu(-Si) needles

机译:缓慢凝固的癸酸铝钴钴铜针的微晶态

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摘要

We show that samples of the decagonal Al-Co-Cu(-Si) phase produced by different slow solidification methods are in the microcrystalline and not in the quasicryjstalline state. Parameters for the underlying unit cell are a =b*=* 51-3 A, c = 4-lA and y= 108°. Experiments on differently produced samples show the same microcrystalline state and that the (5,7) approximant seems to be highly favoured, compared with the set of possible high-order approximant states.
机译:我们显示通过不同的慢速凝固方法生产的十边形Al-Co-Cu(-Si)相样品处于微晶状态,而不处于准结晶态。底层单位晶胞的参数为a = b * = * 51-3 A,c = 4-1lA,y = 108°。在不同生产的样品上进行的实验显示出相同的微晶态,并且与一组可能的高阶近似态相比,(5,7)近似态似乎受到高度青睐。

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