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Chinese Journal of Mechanical Engineering

Table 2 Material parameters

From: A Novel On-Site-Real-Time Method for Identifying Characteristic Parameters Using Ultrasonic Echo Groups and Neural Network

Species

E (GPa)

υ

ρ (kg/m3)

h (mm)

Al-6061

69

0.33

2700

10.15

Al-7075

71

0.33

2810

10.5

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