...
1 .22 ,
k
=
0. 026 .
Drozdov and Gavrikov
[
171
investigated friction and scoring under
conditions of simultaneous rolling and sliding with a roller test machine.
The formula for determination ... 94,703, 189,406 ,28 4,109, and 378,8 12 N/m;
the slide/roll ratios were
0,0.08,0.154,0 .22 2,0.345;
the rolling speeds varied
from 0.3 to 2. 76
m/s,
and the sliding spee...
...
1 .22 ,
k
=
0. 026 .
Drozdov and Gavrikov
[
171
investigated friction and scoring under
conditions of simultaneous rolling and sliding with a roller test machine.
The formula for determination ...
7 .2
Material Properties
Steel
43
7800 473 20 3.4
Copper
40
1
8930 386
103
Chromium
94 7135 450
25 0
Tin
67 728 0 22 2 46
10W30 0.145
888 1880
-
Rolling/ Sli...
...
0. 03 pm (12pin.),
W
=
37 8,812N/m (21 601bf /in. ), 10W30
oil,
U1
=
3 .2 m/sec ( 126 in. /sec),
R
=
0. 0 23 4 m (0. 92 in. ).
Figure 7 .38 shows calculated coefficient of friction versus sliding/ ...
and
Es
for
AT,
K1,
c1,
p1,
El
and
K2,
c2,
p2,
E2
in
Eqs.
(7 .27 )
and
(7 .28 ),
where
f
is replaced
byf,,
L
is replaced by
L
=
32 J'm.
2....
...
Outer and inner race material
Surface finish for rollers and races
4.3305
in.
1. 96 82
in.
1. 06
in.
3.719
in.
2. 565 8
in.
2. 563 7
in.
2. 5 62 0
in.
0.5 766
in.
0 .65 9
in.
12
0.1719
in. ...
0.0 021
in.
0.0038
in.
Brass
Mild steel
8-10
pin rms
(10.99947
cm)
(4.99 922 8
cm)
(2. 6 924
cm)
(9.44 62
cm)
(6. 5171 32
cm)
(6. 51 1798
cm)...
... smaller increases in the mineral content ratio
resulted from the lower compressive loads. This result is interesting in
view of the finding of Radin et al.
[88]
that increased calcification and ...
I
Torque =22 .6*(1 -cos (2& apos;pi'Pt)) /2
N-m
=20 0'(
1
-cos (2& apos;pi'f9)) /2
Ib -in
-
f=100
HZ
Figure
9. 37
The heat flux at four key points under t...
...
“Fretting Corrosion of Mild Steel
in
Air and in
Nitrogen,”
J.
Appl. Mech.,
1954,
Vol.
21 ,
p.
395.
183 ,
pp.
723 - 729 .
pp.
20 3 -22 4.
1949,
Vol.
71,
pp.
25 9 -26 8.
pp.
22 2 -23 5. ...
Tribology Conf., July 8- 10, 1 985 , Tokyo, Japan, pp. 635-640.
Sato,
J.,
“Damage Formation During Fretting Fatigue,” Wear, 1 988 ,
Vol.
125 ,
Vol. 24 , pp. 981 - 988...
...
17.
18.
19.
20 .
21 .
22 .
23 .
24 .
25 .
26 .
27 .
28 .
29 .
30.
31.
32.
33.
34.
35.
Kannel, J. W., Bell, J. C., and Allen, C. M., “Methods for Determining
Pressure Distributions in Lubricated ...
“Fretting Corrosion of Mild Steel
in
Air and in
Nitrogen,”
J.
Appl. Mech.,
1954,
Vol.
21 ,
p.
395.
183 ,
pp.
723 - 729 .
pp.
20 3 -22 4.
1949,
V...