Strain Measurement in an Aluminium Foam by Means of Digital Image Correlation - Visual Computing: Scientific Visualization and Imaging Systems - page 136

LO W VELOCITY (0.25 mm/s)

50

P028 235.2 kg/m3
P022 235.6 kg/m3
P025 248.5 kg/m3
P029 248.9 kg/m3
P019 250.6 kg/m3
P012 267.2 kg/m3
P039 271.6 kg/m3
P105 272.5 kg/m3

(a)

40

30

20

10

0

0 5 10 15 20 25 30 35 40 45

Stroke (mm)

INTERMEDIATE VELOC I TY ( 2 . 5 mm/s)

50

P011 235.8 kg/m3
P031 236.2 kg/m3
P120 249.4 kg/m3
P026 251.6 kg/m3
P040 253.5 kg/m3
P121 270.7 kg/m3
P032 271.1 kg/m3
P006 273.2 kg/m3

(b)

40

30

20

10

0

0 5 10 15 20 25 30 35 40 45

Stroke (mm)

HIGH VELOCITY ( 25 mm/s)

50

P016 237.3 kg/m3
P010 237.5 kg/m3
P014 238.6 kg/m3
P015 252.8 kg/m3
P008 252.8 kg/m3
P114 254.4 kg/m3
P130 268.5 kg/m3
P118 270.1 kg/m3
P037 270.8 kg/m3

40

(c)

30

20

10

0

0 5 10 15 20 25 30 35 40 45

Stroke (mm)

Fig. 7.3 Load-displacement curves recorded at: a low velocity; b intermediate velocity; c high