Data Reduction
33
Problem 1.5 Mechanical properties of a modified A 356 aluminum alloy sand cast
7-38 pylon [1.9]
0.2% Offset
Tensile
yield
Sample
strength,
strength,
Elongation in
location
Kpsi
Kpsi
2 inches, %
1
47.8
41.2
3.6
2
51.3
41.1
7.0
3
49.5
43.5
3.5
4
53.3
41.4
7.0
5
52.4
45.1
7.0
6
53.2
43.4
8.0
7
53.4
41.8
10.0
8
53.0
43.4
8.6
9
52.7
41.7
9.0
10
53.1
42.8
8.5
11
53.8
43.8
8.0
12
53.6
41.6
11.0
13
54.4
43.5
10.5
14
54.1
43.7
12.1
15
54.1
43.5
9.3
16
53.5
44.0
7.9
17
53.6
43.9
10.0
18
52.9
43.3
7.1
19
51.5
41.4
7.0
20
50.7
40.8
6.0
21
54.2
41.5
13.0
22
52.9
43.9
6.4
23
53.0
42.3
7.9
24
52.8
41.0
8.0
25
47.6
40.6
3.6