The conclusions can be organized as follows: (a) In the case of pressure changes that begin with a decreasing trend (P1 and P4 up to half of the stroke, Figure 5 a,b), higher values of traction forces and friction coefficients are noticeable, with respect to changes in P2 and, in part, P3.
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Influence of TiN Coating on the Drawing Force and Friction Coefficient in the Deep Drawing Process of AlMg4.5Mn0.7 Thin Sheets.
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