Iron-copper alloy having high thermal conductivity and method for manufacturing the same
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Example 1
[0065]A ceramic melting furnace containing magnesium as a main component was prepared as a high-frequency inductively heated melting furnace. Thereafter, a porous impurity absorption layer was formed on an inner wall surface and a bottom surface of the prepared melting furnace. The porous impurity absorption layer was formed by coating an absorption layer composition to a thickness of approximately 1 mm, the composition prepared by mixing 65 wt. % of an impurity absorbent, 15 wt. % of a resin, and 30 wt. % of a solvent, based on the total weight of the composition, and then heating at a temperature of approximately 1,150° C. for firing. Here, zirconium silicate (ZrSiO4) and Al powder were used as the impurity absorbent, a butadiene-styrene-alkyl methacrylate copolymer was used as the resin, and isopropyl alcohol was used as the solvent.
[0066]Iron (pure iron having purity of approximately 99.9 wt. %) and electrolytic copper having purity of approximately 99.9 wt. %) were add...
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Examples 2 and 3
[0067]Iron-copper alloy ingots were prepared in substantially the same manner as in Example 1, except that amounts of iron additionally added during dissolution were changed for the purpose of making final alloy compositions (atomic percentages of iron and copper) differ from the alloy composition of Example 1.
Example
Comparative Example 1
[0068]An iron-copper alloy ingot was prepared in substantially the same manner as in Example 1, except that a different kind of impurity absorbent was used in forming a porous impurity absorption layer on the inner surface of the melting furnace. In detail, zirconium silicate (ZrSiO4) and zirconium oxide (ZrO2), instead of aluminum (Al), were used as the impurity absorbent.
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