机械合金化法制备Co掺杂β-FeSi_2及性能分析OA北大核心CSCDCSTPCD
Property analysis of Co-doped β-FeSi2 thermoelectric materials processed by mechanical alloying
用机械合金化法成功制备了配比为Fe_(1-x)Co_xSi_2(x=0.04,0.05,0.06)的N型β-FeSi_2基热电材料.研究结果表明:在球料质量比为80∶ 1,球磨速度为400 r/min的条件下,球磨20 h的粉体发生完全合金化,生成β-FeSi_2,α-Fe_2Si_5和ε-FeSi的合金相;经过1 373 K退火2 h,再结合1 073 K退火2 h的热处理后,可完全获得晶粒细小的N型块状β-FeSi_2;随着测量温度的升高,F…查看全部>>
Co-doped N-type β-FeSi_2 thermoelectric materials Fe_(1-x)Co_xSi_2( x =0. 04, 0. 05, 0. 06) are successfully prepared by mechanical alloying method. It is indicated that under the condition of balls to powders mass ratio of 80: 1, rotation speed of 400 r/min and milling time of 20 h, powders are composed of β-FeSi_2, α-Fe_2Si_5 and s-FeSi intermetallic compound. And, a single-phase Co-doped N-type β-FeSi_2 bulks with refined grain can be obtained after annea…查看全部>>
王东静;李凡;黄海波
东南大学材料科学与工程学院,南京,211189东南大学江苏省先进金属材料高技术研究重点实验室,南京,211189
通用工业技术
β-FeSi2热电材料机械合金化掺杂热电性能
β-FeSi_2 thermoelectric materials mechanical alloying doping thermoelectric properties
《东南大学学报（自然科学版）》 2009 (5)
1033-1037,5
国家重点基础研究发展计划(973计划)资助项目(2007CB616903).
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