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添加Cu粉对GCr15磨屑粉体性能的影响
  • ISSN号：1006-6543
  • 期刊名称：《粉末冶金工业》
  • 时间：0
  • 分类：TM27[电气工程—电工理论与新技术;一般工业技术—材料科学与工程]
  • 作者机构：合肥工业大学材料科学与工程学院, 合肥工业大学电气与自动化工程学院
  • 相关基金：国家自然科学基金(61076040);中国博士后科学基金(20100470827)
作者： 仲洪海[1], 申文浩[1], 单娜[1], 余亚岚[1], 倪狄[1], 蒋阳[1]
关键词： Sm0.9Sr0.1CoO3, 自蔓延法, Seeback系数, ZT
中文摘要：

本文采用自蔓延法制备了纯物相的Sm0.9Sr0.1CoO3(SSC)复合氧化物粉末,平均粒径为8.681μm。对Sm0.9Sr0.1CoO3粉末的模压数据进行处理,实验结果表明:Sm0.9Sr0.1CoO3陶瓷粉体的压形规律符合黄培云压制方程。同时,对Sm0.9Sr0.1CoO3烧结体的电导率和See-back系数及热导率进行测量。结果表明,Sm0.9Sr0.1CoO3材料电导率和热导率随温度的升高而增加,而Seeback系数随温度的上升而降低;材料的电传输机理为小极子CoCo的跃迁;材料的无量纲优值ZT在300K时为0.026。

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期刊信息
  • 《粉末冶金工业》
  • 中国科技核心期刊
  • 主管单位:中国钢铁工业协会
  • 主办单位:中国钢研科技集团有限公司
  • 主编：
  • 地址：北京海淀区学院南路76号
  • 邮编：100081
  • 邮箱：powderbj@163.com
  • 电话：010-62181017
  • 国际标准刊号：ISSN：1006-6543
  • 国内统一刊号：ISSN：11-3371/TF
  • 邮发代号:82-79
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  • 被引量:3415