222
S. Mozammil et al.
Table 2
Mechanical properties of alloy and composites
Alloy/composite
As-cast
Peak-aged
UTS (MPa)
0.2%YS
(MPa)
%-Elong.
Hardness (HV)
UTS (MPa)
0.2%YS (MPa)
%-Elong.
Hardness (HV)
Al-4.5Cu
115 (± 4)
105 (± 3)
10 (± 0.3)
43 (± 1.5)
271 (± 9)
214 (± 7)
15 (± 0.5)
83 (± 3)
Al-4.5Cu-3TiB
2
201 (± 7)
175 (± 6)
20 (± 0.7)
51 (± 1.7)
288 (± 10)
234 (± 8)
21 (± 0.7)
105 (± 4)
Al-4.5Cu-6TiB
2
236 (± 8)
208 (± 7)
18 (± 0.6)
62 (± 1.6)
302 (± 10)
257 (± 8)
20 (± 0.7)
110 (± 4)