The causes of defects in enameling watch bracelets made of L-90 brass have been investigated by the methods of chemical and microstructural analysis. It is shown that the marriage is due to the increased content of bismuth and lead in the alloy. A method for eliminating marriage is proposed. Tab. 1, ill. 1, bibliography: 6 titles.
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UDK 666.293:669.3.35
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Enamels
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