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Development of F82H composite materials with a high thermal conductivity

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Title: Development of F82H composite materials with a high thermal conductivity
Authors: Chen, Ziwei Browse this author
Sawa, Y. Browse this author
Hashimoto, N. Browse this author
Issue Date: Aug-2018
Publisher: Elsevier
Journal Title: Nuclear materials and energy
Volume: 16
Start Page: 133
End Page: 136
Publisher DOI: 10.1016/j.nme.2018.06.017
Abstract: Composites of F82H and Fe added with W or Cu wires were sintered by spark plasma sintering in order to improve the thermal conductivity of F82H and pure Fe. W and Cu wires were two-dimensionally distributed on the plane perpendicular to pressure direction during sintering. The composites added with 10vol%Cu and 10vol%W were successfully sintered at 40 MPa at 800 degrees C and 1000 degrees C, respectively. The thermal diffusivity of the composites were improved compared to base materials, however, many pores were observed especially in the composites with 10vol% Cu. In order to improve the relative density of the composite of F82H added with 10vol%Cu, the use of smaller powder of both F82H and Cu would be needed. On the other hand, W-based compounds were observed in the composite of F82H added with 10vol%W. This would lead to not only less thermal conductivity but also mechanical property of the composite.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 橋本 直幸

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