LEGEND 



3% Silicon Bronze 

 6,000 ft 

 2,500 ft 

 Surface, Pacific 



INCO^ 



PCZ, NRL^S 

 INCO^ 



water sediment 

 A ▲ 



D ■ 



X 



Silicon Bronze A 



6,000 ft 



2,500 ft 



Surface, Pacific 



water sediment 



NCEL O • 



IIMCO^ V T 



NCEL Cf tC 



INCO^ O ♦ 



NCEL V//////A 



incqS I^ ^W^ 



2 - 



400 600 



Exposure (days) 



1200 



1400 



Figure 28. Corrosion rates of silicon bronzes. 



