Particle size distribution and composition in phase-separated Cu75Co25 alloys under various magnetic fields

Particle size distribution and composition in phase-separated Cu75Co25 alloys under various magnetic fields
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不同磁场下相分离Cu75Co25合金的粒度分布和成分

DOI:
10.1016/j.scriptamat.2014.03.003
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发表时间:
2014
期刊:
影响因子:
6
通讯作者:
Yasuda
Yasuda
中科院分区:
材料科学1区
文献类型:
--
作者:
Yasuda

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研究了在高达4 T的磁场作用下,Cu75Co25合金中富Co相的尺寸分布和成分。结果表明,在适当的磁场作用下,强迫对流得到有效抑制,而在强磁场作用下,热电磁对流不能忽略。富Co粒子的扩散生长与过冷度有很强的关系,对磁场的依赖性很弱。磁场不改变富钴颗粒的异步结晶行为。
The size distribution and composition of Co-rich particles in phase-separated Cu75Co25alloys under magnetic fields of up to 4 T were investigated. The results indicate that forced convective flow is suppressed effectively under a suitable magnetic field, whereas the thermoelectric magnetic convection under a high magnetic field cannot be neglected. The diffusive growth of Co-rich particle has a strong relation with the undercooling and a weak dependence on the magnetic field. The magnetic field does not alter the asynchronous crystallization behavior of Co-rich particles.
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