ON IMPACT TESTS. 
Static and Impact Tension. 
Charpy Apparatus 
37 
IMPACT. 
fak 
Energy of rupture Elongation 
ee & 2! MABE an Contrac 
K.G.M. tion of 
K.G.M. | =p. = General | Local oe on) Area 
% Inch % % 
28°73 14°36 11 13 17-5 58°5 
24°12 12°06 9 14 16 58 
27:30 13°65 13 12 19 59 
31°31 15°65 14 14 21 62°5 
27°86 13°93 3 18 15 58°1 
32:43 | 1621 == 22a gee is, 
26°16 13°08 5 ll 15°5 591 
26°76 13°38 9 18 18 57°7 
28°72 14°36 10 15 175 58°4 
30°78 15°39 13 12 19 58°4 
j 
| 
Fracture 
Minutely fine crystalline. 
Silky at edges. 
Cup-shaped. 
Ditto 
Ditto 
Ditto 
Ditto 
Ditto 
Ditto 
Ditto 
Ditto } 
nna annanannnnnnnnSnnEnEENINNnE: nen 
Static and Impact Tension. 
Charpy Apparatus. Impact. 
Energy of rupture Elongation 
ae Be Conttse- 
tion o Fracture 
K.G.M, ee General | Local Total on| Area 
cb, cm. 2 
% Inch % % : 
| 
35:73 | 17°86 Fama efi 22-5 38 V.F.C. traces eryst. 
43-02 21-51 19 12 25 41-5 Very fine eryst. 
45:98 22-99 23 12 29 42 ; *e 
42:94 21:47 23 ‘12 29 48-5 ” bg 
28-12 14:06 15 05 17°5 41 j > 
45:06 22°53 23 “12 29 43:5 33 a 
35-83 17°91 16 “14 23 41:5 5 a 
39°85 19-92 20 10 | 25 41-5 53 ; 
32-0 16:0 15 09 19-5 33 V.F.C. traces cryst. 
37-11 18°55 16 13 225 37 33 
39-18 19-59 15 13 21-5 4] Very fine cryst. 
30:0 15-0 14 -09 18°5 40-5 op : 
39-15 19°57 18 12 24 42 % » * 
