T.O. 33B-1-1
5-35
Table 5-3. Incident Angles in Plastic for Refracted Shear Wave Angles in Test Materials.
Incident longitudinal wave angle in plastic (degrees)
Refracted shear
wave angle in test
materials (degrees)
Steel
Stainless
Steel
302
Stainless
Steel
410
Ti
150A
Al
1100-0
Al
2014-T4
Inconel
Wrought
Magne
-sium
AM 35
20
16.4
17.0
17.8
17.0
17.1
17.1
17.6
17.1
21
17.2
17.9
18.7
17.9
18.0
18.0
18.5
18.0
22
18.0
18.7
19.5
18.7
18.8
18.8
19.3
18.8
23
18.8
19.5
20.4
19.5
19.7
19.7
20.2
19.7
24
19.6
20.4
21.3
20.4
20.5
20.5
21.1
20.5
25
20.4
21.2
22.2
21.2
21.3
21.3
21.9
21.3
26
21.2
22.0
23.0
22.0
22.2
22.2
22.8
22.2
27
22.0
22.9
23.9
22.9
23.0
23.0
23.7
23.0
28
22.8
23.7
24.8
23.7
23.9
23.9
24.5
23.9
29
23.6
24.5
25.7
24.5
24.7
24.7
25.4
24.7
30
24.4
25.3
26.5
25.3
25.5
25.5
26.2
25.5
31
25.2
26.2
27.4
26.2
26.3
26.3
27.1
26.3
32
26.0
27.0
28.2
27.0
27.2
27.2
27.9
27.2
33
26.8
27.8
29.1
27.8
28.0
28.0
28.8
28.0
34
27.5
28.6
30.0
28.5
28.8
28.8
29.6
28.8
35
28.3
29.4
30.8
29.4
29.6
29.6
30.5
29.6
36
29.1
30.2
31.7
30.2
30.4
30.4
31.3
30.4
37
29.8
31.0
32.5
31.0
31.2
31.2
32.1
31.2
38
30.6
31.8
33.4
31.8
32.0
32.0
33.0
32.0
39
31.3
32.5
34.2
32.6
32.8
32.8
33.8
32.8
40
32.1
33.4
35.0
33.4
33.6
33.6
34.6
33.6
41
32.8
34.2
35.9
34.2
34.4
34.4
35.5
34.4
42
33.6
34.9
36.7
34.9
35.2
35.2
36.3
35.2
43
34.3
35.7
37.5
35.7
36.0
36.0
37.1
36.0
44
35.0
36.5
38.3
36.5
36.7
36.7
37.9
36.7
45
35.8
37.2
39.2
37.2
37.5
37.5
38.7
37.5
46
36.5
38.0
40.0
38.0
38.3
38.3
39.5
38.3
47
37.2
38.7
40.8
38.7
39.0
39.0
40.3
39.0
48
37.9
39.5
47.5
39.5
39.8
39.8
41.1
39.8
49
38.5
40.2
42.4
40.2
40.5
40.5
41.9
40.5
50
39.3
41.0
43.2
41.0
41.3
41.3
42.6
41.3
51
40.0
41.7
43.9
41.7
42.0
42.0
43.4
42.0
52
40.6
42.4
44.7
42.4
42.7
42.7
44.2
42.7
53
41.3
43.1
45.5
43.1
43.5
43.5
44.9
43.5
54
42.0
43.8
46.3
43.8
44.2
44.2
45.7
44.2
55
42.6
44.5
47.0
44.5
44.9
44.9
46.4
44.9
56
43.3
45.2
47.8
45.2
45.6
45.6
47.1
45.6
57
43.9
45.9
48.5
45.9
46.2
46.2
47.9
46.2
58
44.5
46.5
49.2
46.5
26.9
26.9
48.5
26.9
59
45.1
47.2
49.9
47.2
47.6
47.6
49.3
47.5
60
45.7
47.8
50.7
47.8
48.2
48.2
50.0
48.2
61
46.3
48.5
51.4
48.5
48.9
48.9
50.6
48.9
