Low-carbon strip steels 23
2.4
2.0
1.6
E 1.2
0.8
0.4
0.1
, , ,,, ,i , ,, 9 ~- T
.re e
9. 9
9 o ~
o9 ~ ooO
O~o ~ ~ 9
i*';o ~
.... i ...... i , 9
1.0 10 1~) 1000
Intensity ratio (111 )/(001 )
Figure 1.18 Relation between the ratio of the intensity of the (111) component to the
intensity of the (001) component and the rm value of low.carbon steel sheets (After Held 39)
......................... SSJSL
e,L o o/ s
I ,",.',"
, ,"
JO I ~ ,:/ 9 p ,
L,'/:.,"
116LY If .- , 9. ......... _ .......
1.2 1.4 1.6 1.8
V value
Figure 1.19 Effect of P on limiting blank diameter for a range of low-carbon steels for
Swift cups drawn using polythene sheet lubrication (After Atkinson and Maclean 4~
"~.3 .r
!
.2' 8 9 9
i,
6a~~~t ~ $ 9
....... I ....... I
1.0 1.5 2.0
7" value
Figure 1.20 Relationship between mean fractional increase in thickness at the top rim of
a Swift cup and'f value, for a range of low-carbon steels, Blank diameter 63.5 mm - Punch
diameter 32 mm (After Hudd and Lyons 41)