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強(qiáng)磁場作用下Al-Ni合金中Al3Ni析出相的凝固行為
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TG111.4

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國家自然科學(xué)基金資助(50234020,50307014)，中國博士后科學(xué)基金資助項目(2004035412)


Solidification Behaviors of Al3Ni Precipitated Phase in Al-Ni Alloy under a High Magnetic Field
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    摘要:

    用金相顯微鏡和X射線衍射研究了強(qiáng)磁場條件下Al-8％Ni合金中非鐵磁性的Al3Ni析出相的凝固行為，發(fā)現(xiàn)強(qiáng)磁場誘導(dǎo)Al3Ni晶粒以C軸平行磁場方向取向，并且晶粒的長軸與C軸垂直；取向的晶粒在垂直磁場方向上形成多個相互平行的Al3Ni聚合面，即形成規(guī)則的Al3Ni層狀組織：在層狀聚合面中隨機(jī)分布著多個大的Al3Ni聚合體，聚合體內(nèi)部的晶粒有序排列。

    Abstract:

    The solidification behaviors of nonferromagnetic Al3Ni precipitated phase in Al-8%Ni alloy with a high magnetic field applied have been studied experimentally. It is found that the magnetic field induces the crystals of Al3Ni phase to orient with their c-axes parallel to the field and the long axes of the crystals are perpendicular to their c-axes. There are several Al3Ni congregation planes parallel with each other, which are perpendicular to the field, that is, regular Al3Ni laminated alignment structure is formed in the alloy. In the planes, there are several big Al3Ni congregations, in the inner part of which there are aligned Al3Ni crystals.

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王暉 任忠鳴 徐匡迪 黃暉 王秋良 嚴(yán)陸光.強(qiáng)磁場作用下Al-Ni合金中Al3Ni析出相的凝固行為[J].稀有金屬材料與工程,2005,34(7):1033~1035.[Wang Hui, Ren Zhongming, Xu Kuangdi, Huang Hui, Wang Qiuliang, Yan Luguang. Solidification Behaviors of Al3Ni Precipitated Phase in Al-Ni Alloy under a High Magnetic Field[J]. Rare Metal Materials and Engineering,2005,34(7):1033~1035.]
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  • 最后修改日期:2003-09-16
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