Etching has been a favorite technique for artists for centuries, largely because the method of inscribing the image is so similar to drawing with a pencil or pen. an etching begins with a metal plate (originally iron but now usually copper) that has been
Chemical dissolution of material.
Травление acid ~ травление кислотой
Chemical removal of oxide layers, rust or scale from the metal surface
Printing, burn-out printing
Subjecting the surface of a metal to preferential chemical or electrolytic attack in order to reveal structural details.
(1) chemical cleaning process for the controlled removal of surface material by chemical agents before inspection. (2) subjecting the surface of a metal to preferential chemical or electrolytic attack to reveal structural details before viewing under a microscope.
