, , .
4 132 2 = 11 3000 / 2,3 % (. . 10.23).
= 40.
h= 0,75.
. 4.8, , (vs > 10 /), 2931 /. , [s H ] . 0101, ; HRC > 45. . 4.8 [s H ]' = 221 . [s H ] = = [s H ]' khl, khl = 0,67.
z 1 o : = 40 z 1 =1.
q = 10 = 1,2.
[. (4.19)]:
2144-76 (. 4.1 4.2) = 10 q = 10, z 2 = 40 z 1 = 1.
, q z 2:
aw = 250 .
:
[. (4.7)]
g . 4.3: z 1 = 1 q = 10 g = 5o43'.
:
[. (4.12)]
, 10 /, . .
[. (4.14)].
. 4.4 vs 15,5 / r' 1.
|
|
,
. 4.7 7- v = 1,25 ( 12 /).
[. (4.26)]
:
q - . 4.6; q = 10 z 1 = 1 q = 108. x = 0,6;
[. (4.23)]:
.
. 4.5 YF = 2,265.
. 4.8 [s-1 F ]' = 51 .
[s-1 F ] = [s-1 F ]'. KFL = 0,543.
[s-1 F ] = 51 × 0,543 = 27,6 . , s F < [s-1 F ].
, . , , ( ). , , .