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•    Title:  Defects Affecting Extrusion – Snap Marks

•    Author:  Jerome Fourmann

•    Author Company:  Rio Tinto Aluminum

•    Volume:  Vol. 76, No. 1

•    Year:  2018

•    No. Pages:  2

•    Description:  The 22nd article in a series, this article addresses a condition that occurs as the profile exits the die bearing. Snap marks, sometimes called jump marks or pressure marks, are a non-metallurgical defect, which may occur during extrusion of any alloy due to factors such as changes in die deflection during the extrusion process or sudden puller movement. The characteristics, causes, mechanism, and remedies for the defects are discussed.

•    Companies Mentioned:  N/A

Product Code: DEFCG63I83