Abstract

The limiting dome height (LDH) test has been proposed as a simulative test to evaluate the stretch formability of sheet metals which shows good correlation with field forming performance. The present study investigates how deviations from the LDH test procedure and test geometry given in the literature affects the dome test results for aluminum body sheet alloys. The results should be helpful in explaining between-lab variability and helpful to laboratories which cannot perform the LDH test according to specification, because of equipment limitations, in interpreting their data.

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