Browse Publications Technical Papers 2003-01-2812
2003-10-27

New Frictional Testing Method for Stamping Formability - Development of Dr. STAMP (Direct & Rapid, Surface Tribology Analyzing Method for Press) Method - 2003-01-2812

Galvannealed steel sheet (GA) is very extensively used for vehicle panels. However ζ-phase (FeZn13) in GA coat causes poor stamping formability. Previously, there were no easy methods to evaluate the influence of ζ-phase on the frictional characteristics other than the X-ray diffraction method. This study will discuss the development of a new testing method: Dr. STAMP Method that is both efficient and convenient with pin-on-disc tester.

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