Experimental and numerical investigations of sheet AA6082 formability and B-pillar forming under HFQ conditions

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Table 5

Calibrated material constants in the viscoplastic constitutive equations.

Constant	k₀	Q_k	K₀	Q_K	$n_{1_{0}}$	$Q_{n_{1}}$	B₀	Q_B	A	C₀	Q_C	n₂
Unit	(MPa)	(J/mol)	(MPa)	(J/mol)	(−)	(J/mol)	(MPa)	(J/mol)	(−)	(s⁻¹)	(J/mol)	(−)
Value	0.36	2.04 × 10⁴	0.50	2.50 × 10⁴	5.12	100	1.00	1.97 × 10⁴	0.10	5.00	2400	1.16

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