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Many information can be found in aluminium-manual, which is being completely revised and will soon be available. In the meantime, please use our glossary for useful word explanations.

Open-die forging

Process of deforming a piece of metal between multiple dies that do not completely enclose the material.

Orange peel

Roughened surface that is formed by slip lines and shear bands on the surface of recrystallized aluminium.


Diffusion processes are prevented through rapid cooling and higher levels of foreign atoms are dissolved in the solid solution than would be possible at room temperature.


Oxygen compound of an element / metal.