PHOTOGRAPHS OF VIBRATING SPECIMENS

Vibratory rig
at the Chinese Ship Scientific Research Centre, Wuxi, China

after 15 min of exposure

after 60 min of exposure

after 120 min of exposure

PA2 aluminium alloy

after 120 min of exposure

after 180 min of exposure

after 210 min of exposure

M63 brass

after 70 min of exposure

after 160 min of exposure

after 310 min of exposure

E04 Armco iron

after 60 min of exposure

after 90 min of exposure

after 440 min of exposure

45 carbon steel

after 320 min of exposure

after 520 min of exposure

after 600 min of exposure

1H18N9T acid resistant steel