PHOTOGRAPHS OF TEST SAMPLES

Lichtarowicz cell
at the Fluid Control Research Institute, Palghat, India
 

PA2 aluminium alloy

after 16 hours of exposure after 16 hours of exposure

 

M63 brass

after 5 hours of exposure after 20 hours of exposure

 

E04 Armco iron

after 5 hours of exposure after 20 hours of exposure

 

45 carbon steel

after 5 hours of exposure after 20 hours of exposure

 

1H18N9T stainless steel

after 5 hours of exposure after 20 hours of exposure