Determine the allowed range of the diameter of copper core

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Reference no: EM131112089

A copper-silver bimetallic wire, 1 cm in diameter, is prepared by co-extrusion with copper as the core and silver as the outer layer. The desired properties along the axis parallel to the length of the bimetallic wire are as follows:

(a) Thermal conductivity /410 W/(m-K);

(b) Electrical conductivity / 60 × 106Ω-1m-1; and

(c) Weight < 750 g/m. Determine the allowed range of the diameter of the copper core.

 

Copper

Silver

Density (g/cm3)

8.96

10.49

Electrical conductivity

59 × 106

63 × 106

-1m-1)

   

Thermal conductivity

401

429

[W/(m-K)]

 

Reference no: EM131112089

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