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带有电磁扰动的Bridgman定向凝固装置设计

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Indexed by:期刊论文

Date of Publication:2011-04-15

Journal:大连理工大学学报

Included Journals:PKU、ISTIC

Volume:51

Issue:S1

Page Number:53-57

ISSN No.:1000-8608

Key Words:同步辐射成像技术;枝晶生长;定向凝固装置;电磁扰动

Abstract:应用同步辐射X射线成像技术,实现了电场作用下金属合金凝固过程的枝晶生长行为原位观察.自行设计并制作了一套带有电磁扰动的Bridgman定向凝固装置,该装置包括成像样品、电磁扰动装置、加热炉等,能够实现样品加热、微移、电磁扰动等功能.该装置用于北京和上海同步辐射光源的成像实验中,成功获得系列枝晶生长行为及形貌演变图像,原位观察到不同电压、电流、频率的脉冲电场对枝晶形态的动态影响.

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