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Hot Embossing by Matthias Worgull

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3.1.2.1. Hot Embossing of Metals

Compared to the molding temperatures of glass, the required molding temperatures of metals often increase significantly. Therefore, the metals that can be molded at moderate temperatures are limited. Cao et al. systematically analyzed the hot embossing of lead [2] and aluminum [1].

Hot Embossing of Lead

A major topic of molding high-temperature materials is the chemical and mechanical interaction of the molding material with the mold insert, in this case an electroplated nickel mold insert. The interaction can result in high adhesion or bonding and can damage the mold insert and the molded part during demolding. Cao et al. demonstrated that between lead and nickel mold inserts no chemical interactions occurs. ...

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