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Ag0.8PbmSbTem＋2热电材料的快速热压法制备及性能表征
  • ISSN号：1001-9731
  • 期刊名称：《功能材料》
  • 时间：0
  • 分类：TN377[电子电信—物理电子学]
  • 作者机构：[1]合肥工业大学材料科学与工程学院,安徽合肥230009, [2]电子工程学院脉冲强激光技术国家重点实验室,安徽合肥230037
  • 相关基金：国家高技术研究发展计划（863计划）资助项目（2007AA03Z301）; 国家重点基础研究发展计划（973计划）资助项目（2007CB9-36001）; 国家自然科学基金资助项目（20771032）; 国家教育部“新世纪优秀人才支持计划”资助项目（NCET-04-0561）; 总装重点创新资助项目（7130703）
作者： 石宇[1], 蒋阳[1], 苏煌铭[1], 韩领[1], 仲洪海[1], 余大斌[2]
关键词： 热电材料, 快速热压烧结, SEEBECK系数, Ag0.8PbmSbTem+2, thermoelectric materials, rapid hot-pressing, Seebeck coefficients, Ag0.8PbmSbTem＋2
中文摘要：

采用真空封管熔炼法成功制备N型Ag0.8PbmSbTem＋2（m=12,14,16,18）合金粉体材料,经过高能球磨使合金粉末粒度达到微米量级。利用快速热压烧结工艺,在673K,压力为20MPa下,烧结30min,制备块体热电材料。研究快速热压和m值的变化对材料的结构和热电性能的影响。当m=16时,在348K材料Seebeck系数达到最大值-634μV/K。当m=18时,在548K功率因子达到最大值7.5×10^-4W/（m·K^2）。

英文摘要：

Micro-sized powder of N-type Ag0.8PbmSbTem＋2（m=12,14,16,18） alloy was fabricated via a vacuum sealed melting method combined with high energy ball milling.Rapid hot-pressing sintering was employed to prepare bulk thermoelectric materials at 673K with sintering pressure of 20MPa,and time of 30min,respectively.The influence of rapid hot-pressing sintering method and variation in the value of m on the structure and the thermoelectric properties was investigated.The maximum Seebeck coefficient of -634μV/K is obtained at 348K with m equaling to 16.The power factor reaches a maximum value of 7.5×10^-4W/（m·K^2） at 548K for an m of 18.

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期刊信息
  • 《功能材料》
  • 北大核心期刊（2011版）
  • 主管单位:重庆材料研究院
  • 主办单位:重庆材料研究院
  • 主编：黄伯云
  • 地址：重庆北碚区蔡家工业园嘉德大道8号
  • 邮编：400707
  • 邮箱：gnclwb@126.com
  • 电话：023-68264739
  • 国际标准刊号：ISSN：1001-9731
  • 国内统一刊号：ISSN：50-1099/TH
  • 邮发代号:78-6
  • 获奖情况:
  • 2008、2011年连续获中国精品科技期刊,2010获重庆市双十佳期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,英国英国皇家化学学会文摘,中国北大核心期刊（2000版）
  • 被引量:30166