R=0 (sebagai contoh) No 1 2 3 4 5 6 7 8
Specimen No. A-23 A-03 A-04 A-02 A-17 A-01 A-07 A-41
R
Snom
0 0 0 0 0 0 0 0
200 200 200 200 100 100 100 77
N 186,188 179,751 177,544 166,501 1,139,055 1,199,370 1,069,049 2,273,995
Failure yes yes yes yes yes yes yes yes
Failure location right left right right left left right left
Tugas -1 * Buat S-N curve (mean & design curve) untuk data hasil uji fatigue di bawah ini * Buat laporan tugas dengan ketentuan sbb: - Diketik di kertas A-4 R=-1 No 1 2 3 4 5 6 7 8
Specimen No. A-05 A-06 A-11 A-13 A-08 A-09 A-10 A-12
R
Snom
-1 -1 -1 -1 -1 -1 -1 -1
200 200 200 200 200 100 100 100
N 153,750 185,567 185,108 168,610 356,347 1,297,310 1,284,457 1,248,776
Failure yes yes yes yes yes yes yes yes
Failure location left right right right right left right right
Data Gabungan R=0 & R=-1 No 1 2 3 4 5 6 7 8 9 10
Specimen No. A-23 A-03 A-04 A-02 A-17 A-01 A-07 A-41 A-05 A-06
R
Snom
0 0 0 0 0 0 0 0 -1 -1
200 200 200 200 100 100 100 77 200 200
N 186,188 179,751 177,544 166,501 1,139,055 1,199,370 1,069,049 2,273,995 153,750 185,567
Failure yes yes yes yes yes yes yes yes yes yes
Failure location right left right right left left right left left right
Stre s s ra ng e (M Pa )
Fatigue data
1000
f(x 100
10 100,000
11 12 13 14 15 16
A-11 A-13 A-08 A-09 A-10 A-12
-1 -1 -1 -1 -1 -1
200 200 200 100 100 100
185,108 168,610 356,347 1,297,310 1,284,457 1,248,776
yes yes yes yes yes yes
right right right left right right
Stre s s ra ng e (M Pa )
S-N curve 1000
f(x) = 18187.7506613619 x^-0.3732178967 100
10 100,000
R=0
1,000,000 N (cycles)
10,000,000
