Preparation and thermal properties of zirconium tungstate/copper composites | Zendy

Yan X. | Zendy; Cheng X. | Zendy; Xu G. | Zendy; Wang C. | Zendy; Sun S. | Zendy; Riedel R. | Zendy

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Preparation and thermal properties of zirconium tungstate/copper composites

Author(s) -

Yan X.,

Cheng X.,

Xu G.,

Wang C.,

Sun S.,

Riedel R.

Publication year - 2008

Publication title -

materialwissenschaft und werkstofftechnik

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.285

H-Index - 38

eISSN - 1521-4052

pISSN - 0933-5137

DOI - 10.1002/mawe.200800322

Subject(s) - materials science , thermal expansion , copper , composite material , thermal conductivity , powder metallurgy , volume fraction , sintering , atmospheric temperature range , volume (thermodynamics) , metallurgy , thermodynamics , physics

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 increase 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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