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Author:

周身林 (周身林.) | 刘丹敏 (刘丹敏.) (Scholars:刘丹敏) | 张久兴 (张久兴.) | 金帅 (金帅.)

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CQVIP PKU CSCD

Abstract:

用氢直流电弧法制备La-LaH2纳米粉末,再采用放电等离子烧结技术,在原位、"无氧"条件下成功制备高纯LaB6多晶纳米块体热阴极材料,并系统研究放电等离子烧结温度、压强对材料物相、结构和性能的影响。结果表明,材料中形成单相的LaB6,纯度达到99.867%,平均晶粒尺寸为120nm,LaB6纳米块体相对密度达到99.2%,维氏硬度达到17.4GPa,抗弯强度高达245.6MPa,已达单晶材料的理论抗弯强度值。

Keyword:

热阴极 放电等离子烧结 多晶LaB6 纳米块体

Author Community:

  • [ 1 ] 北京工业大学新型功能材料教育部重点实验室

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Source :

稀有金属材料与工程

Year: 2009

Issue: 02

Volume: 38

Page: 313-317

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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