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Chinese Journal of Mechanical Engineering

Table 2 Parameters in Johnson–Cook material model

From: Ultrasonic Welding of Magnesium–Titanium Dissimilar Metals: A Study on Thermo-mechanical Analyses of Welding Process by Experimentation and Finite Element Method

 

tm (°C)

A (MPa)

B (MPa)

C

n

m

AZ31 magnesium

641

192

218.3

0.092

0.37

0.95

Ti6Al4V titanium

1600

870

990

0.008

1.01

1.4

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