Microstructure and the anisotropic thermoelectric properties of β-FeSi2 sintered under high-pressure

Hirotsugu Takizawa, Kenta Yamamoto, Tadashi Endo, Masahiko Shimada

研究成果: Article査読

1 被引用数 (Scopus)

抄録

β-FeSi2 was sintered under high-pressure/ temperature conditions of 3 GPa and 700-1400°C for 30 min using a belt-type high-pressure equipment. The material showed anisotropy due to heterogeneous distribution of pressure, however, the X-ray diffraction analysis did not reveal crystallographic orientation. The microstructure showed grain orientation along the direction perpendicular to the pressing direction. Such orientation was remarkable in the sample solidified from the melt. It was suggested that the development of microstructure was important factor in optimizing the thermoelectric properties. The formation and the phase stability of β-FeSi2 under high-pressure condition were also discussed.

本文言語English
ページ(範囲)39-43
ページ数5
ジャーナルFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
44
1
DOI
出版ステータスPublished - 1997 1

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Metals and Alloys
  • Materials Chemistry

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