PSI - Issue 8

Simonetta Boria et al. / Procedia Structural Integrity 8 (2018) 102–117 Author name / Structural Integrity Procedia 00 (2017) 000 – 0 0

113

12

100 120 140 160

AL PURE tc=2 mm PURE tc=3 mm PURE tc=4 mm HYBRID th=4 mm HYBRID th=5 mm HYBRID th=6 mm

0 20 40 60 80

Average stress (MPa)

50

80

100

Diameter (mm)

(a)

0 10 20 30 40 50 60 70 0 10 20 30 40 50 60 70 80 90

AL PURE tc=2 mm PURE tc=3 mm PURE tc=4 mm HYBRID th=4 mm HYBRID th=5 mm HYBRID th=6 mm

SEA (kJ/kg)

50

80

100

Diameter (mm)

(b)

AL PURE tc=2 mm PURE tc=3 mm PURE tc=4 mm HYBRID th=4 mm HYBRID th=5 mm HYBRID th=6 mm

Average load (kN)

50

80

100

Diameter (mm)

(c)

Fig. 10. Average stress (a), SEA (b) and average load (c) as a function of the diameter for all the tested tubes.