A metal disk with a diameter of 75 mm and a thickness of 15 mm was compressed between frictionless plates, while another identical disk was compressed between rough plates. The measured forces (press loads) at the time of starting the flow were 126 ton and 158 ton, for the first and second disk, respectively. Assuming homogeneous deformation, determine the coefficient of friction for the rough plates.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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A metal disk with a diameter of 75 mm
and a thickness of 15 mm was
compressed between frictionless plates,
while another identical disk was
compressed between rough plates. The
measured forces (press loads) at the
time of starting the flow were 126 ton
and 158 ton, for the first and second
disk, respectively. Assuming
homogeneous deformation, determine
the coefficient of friction for the rough
plates.
Transcribed Image Text:A metal disk with a diameter of 75 mm and a thickness of 15 mm was compressed between frictionless plates, while another identical disk was compressed between rough plates. The measured forces (press loads) at the time of starting the flow were 126 ton and 158 ton, for the first and second disk, respectively. Assuming homogeneous deformation, determine the coefficient of friction for the rough plates.
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