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Author:

王凯风 (王凯风.) | 刘伟 (刘伟.) | 王金淑 (王金淑.)

Indexed by:

EI Scopus SCIE PKU CSCD

Abstract:

采用液相共沉淀法制备了612铝酸盐(n(BaO)∶n(CaO)∶n(Al2O3)=6∶1∶2)前驱粉末,在不同气氛(H2、CO2、N2)、不同温度(1300℃、1400℃、1500℃)焙烧制备铝酸盐,系统研究了不同工艺制备的铝酸盐对钡钨阴极性能的影响.结果表明:前驱粉末的最佳焙烧工艺为:H2气氛、1500℃,可获得主相为Ba5CaAl4O12的铝酸盐,用其制备的钡钨阴极发射电流密度可达12.2 A/cm2,蒸发速率仅为1.09× 10-8 g/(cm2.s).

Keyword:

Ba5CaAl4O12 钡钨阴极 铝酸盐 共沉淀法

Author Community:

  • [ 1 ] [王凯风]北京工业大学
  • [ 2 ] [刘伟]北京工业大学
  • [ 3 ] [王金淑]北京工业大学

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Source :

无机材料学报

ISSN: 1000-324X

Year: 2013

Issue: 12

Volume: 28

Page: 1354-1358

1 . 7 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

JCR Journal Grade:3

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 6

Chinese Cited Count:

30 Days PV: 2

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