Da~ Reduc~on
35
Problem 1.8 Select the best distribution to
fit the following titanium Ti-6A1-4V tensile
modules of elasticity data for 115 samples
[1.281
Modulus x10 6 psi
Number
11.45-12.1
1
12.1-12.75
1
12.75-13.4
10
13.4-14.05
32
14.05-14.7
29
14.7-15.35
13
15.35-16.00
2
16.00-16.65
16
16.65-17.3
6
17.3-17.95
5
Problem 1.9 Select the best distribution for
titanium Ti-5A1-2.5SN tensile elongation in
percent for 75°F [1.28] for 1835 samples
Percent Elongation
Number
6.8-7.9
16
7.9-9.0
34
9.0-10.1
108
10.1-ll.2
137
11.2-12.3
255
12.3-13.4
296
13.4-14.5
363
14.5-15.6
414
15.6-16.7
134
16.7-17.8
60
17.8-18.9
12
18.9 20.0
6