LEGEND 

 Nickel - manganese bronze V/////A Tensile strength 

 I I Yield strength 



l:S^^^^SSd Elonqatlon 



60 h 



50 



40 



30 



20 



!;;, 10 

 ro 



c 



D 



c 

 (1/ 

 u 



SL 10 

 20 



30 

 40 

 50 

 60 

 70 



m o in 



C^ C^ d d d 



OO CO ■— K CN 



CN o in o o 



_ — -* I-^ •— ^ 



00 -* -* r^ 



Ci Ci Ci Ci 



CO 00 •— rv, 



CM o in o- 



— -* r-v — 



00 -* "* rx 



Q Q Q Q Q 

 CO OO r— I\ CM 



— '^ l\ — 



Figure 21. Effects of exposure on mechanical properties of nickel 

 manganese bronze. 



