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Author:

张忻 (张忻.) | 刘洪亮 (刘洪亮.) | 武鹏旭 (武鹏旭.) | 路清梅 (路清梅.) | 张久兴 (张久兴.) (Scholars:张久兴)

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incoPat zhihuiya

Abstract:

一种纳米复合结构Mg2Si基热电材料及其制备方法属于半导体热电材料制备技术领域。按化学计量比取Mg、Si、Sn单质原料高频感应熔炼成铸锭;将熔炼好的铸锭破碎装入下端开口的石英玻璃管内,然后竖直置于感应熔炼线圈中,快淬炉腔体抽真空后再冲入保护气体,感应熔炼使块体达到熔融态将熔体喷到铜棍上甩出,成带材,收集带材;将带材置于氩气保护气氛手套箱中研磨成粉,后放电等离子烧结成块体。本发明简单可行,工艺流程短,可以有效抑制Mg的氧化,工艺参数控制容易。样品中存在非晶/纳米晶的纳米复合结构,晶粒尺寸得到显著细化,晶粒尺寸分布可控,增加了电子和声子的散射,塞贝克系数大大上升,提高了材料的热电性能。

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Patent Info :

Type: 发明授权

Patent No.: CN201210366280.9

Filing Date: 2012-09-27

Publication Date: 2016-01-13

Pub. No.: CN103700759B

Applicants: 北京工业大学

Legal Status: 未缴年费

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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