IMMERSION SILVERING OF COPPER.

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Russev, Dimiter
Radev, Dimiter
Karaivanov, Stefan
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| 1983年 / 81期
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摘要：
Immersion silvering solutions were used to coat copper powder parts. The solutions contained silver nitrate and polyethylenepolyamine (PPM), which form a chelated compound. The effect of the length of PPM molecule and of the AgNO//3 concentration on deposit adhesion and ductility were studied by scratching and bending tests. It was found that the deposit qualities improved with increasing PPM length, while with increasing AgNO//3 concentration they worsened.
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