✦ LIBER ✦

Preparation and thermal properties of zirconium tungstate/copper composites

✍ Scribed by X. Yan; X. Cheng; G. Xu; C. Wang; S. Sun; R. Riedel

Publisher: John Wiley and Sons
Year: 2008
Tongue: English
Weight: 179 KB
Volume: 39
Category: Article
ISSN: 0933-5137
DOI: 10.1002/mawe.200800322

No coin nor oath required. For personal study only.

✦ Synopsis

ZrW 2 O 8 /Cu composites were prepared by the powder metallurgy method. Electroless plating was used to deposit copper on ZrW 2 O 8 powder before sintering. The thermal expansion and thermal conductivity of composites were measured in the temperature range from 25 o C to 200 o C and compared with those predicted from various theoretical models. The results show that the coefficient of thermal expansion of ZrW 2 O 8 / Cu composites with a different volume fraction of ZrW 2 O 8 is greater than the theoretically calculated value. The thermal conductivities of ZrW 2 O 8 / Cu composites in-crease with a higher copper content and decrease upon elevated temperature. The thermal conductivity of composites with a different volume fraction of ZrW 2 O 8 is lower than the theoretically calculated value.

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