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Table 1 The mechanical and thermophysical parameters of materials

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

 

Conductivity (W/(m·K))

Expansion coefficient (/°)

Heat capacity (× 106 J/(m3·K))

Young’s modulus (GPa)

Poisson’s ratio

Density (kg/m3)

AZ31 magnesium

79 (20 °C)

92 (149 °C)

98 (204 °C)

102 (260 °C)

105 (316 °C)

110 (371 °C)

113 (627 °C)

2.5 × 10−5 (25 °C)

2.7 × 10−5 (100 °C)

2.9 × 10−5 (200 °C)

3.2 × 10−5 (300 °C)

1.02 (20 °C)

1.34 (426 °C)

45 (20 °C)

43.7 (93 °C)

41.3 (149 °C)

35.2 (204 °C)

29.4 (260 °C)

23.3 (352 °C)

0.27

1740

Ti6Al4V titanium

6.80 (20 °C)

7.93 (100 °C)

8.79 (200 °C)

10.47 (300 °C)

12.56 (400 °C)

14.24 (500 °C)

15.91 (600 °C)

17.20 (800 °C)

9.1 × 10−6 (100 °C)

9.2 × 10−6 (200 °C)

9.3 × 10−6 (300 °C)

9.5 × 10−6 (400 °C)

9.7 × 10−6 (500 °C)

1.0 × 10−5 (600 °C)

2.35 (20 °C)

2.52 (200 °C)

2.76 (400 °C)

3.50 (600 °C)

3.90 (800 °C)

114 (20 °C)

110 (100 °C)

104 (200 °C)

98 (300 °C)

92 (400 °C)

84 (500 °C)

74 (600 °C)

0.34

4440