12???? 0.140.6 - 0.90.8 - 1.1?? 0.3?? 0.2-12????- 08???? 0.10.12 - 0.30.35 - 0.6?? 0.30.9 - 1.20.5 - 0.7
??????????? ? 1=1,? 2=0,05???????? ?? ????. 5.2
?=F?? / (F?? + F?)=F?? / F?; n=1 -?,
F?=k2 / 2 +1,05?, F??=0,73? K? K
?=6?? F?=24,3?? 2, F??=26,28?? 2
?=26,28 / (26,28 +24,3)=0,52
n=1-0,52=0,48
???????????? ?????:
????????? ?????? ?????:
????????,?? ?????? ?????? ????????? ?????? ? ?????? ??? ????????? 52%,???? ?????? ???????????? ?????? 48%. ????? ???????? ?????????: F? =?? R2=12,5?? 2.
?????????? ??????????? ???????? ??? ????????:
??????????? ???????? ??? ?????:
??????????? ???????? ??? ???????:
?? ????. 5.3????????? ?????????? ???????? ???????????? ???????? ? Mn=0,49,? Cr=0,885,? Si=0,61,????? ?????,??? ????? ?????????? ????????,??? ?????? ????? ???????? ? ????????????? ??????.
????????? ????? Mn, Cr, Si,? ??? ? ????? 09? 2? ?? (5.1):
[Mn] =? ? [Mn] 0? ? 0 + n? [Mn]?? ? Mn=0,52? 2,1 +0,48? 1,7? 0,49=1,49%
[Cr] =? ? [Cr] 0? ? 0 + n? [Cr]?? ? Cr=0,52? 0,2 +0,48? 0,3? 0,885=0,24%.
[Si] =? ? [Si] 0? ? 0 + n? [Si]?? ? Si=0,52? 0,95 +0,48? 0,8? 0,61=0,72%
?????????? ????? ????? ? ????????????? ?????? ? %,?????? ?????????? ???????? ?????????.
?? =Mn?- [Mn]=3,8-1,49=2,31%.?? =Cr?- [Cr]=0,5-0,24=0,74%.?? =Si?- [Si]=1,75-0,72=1,03%.
?????????? ?? ????????? ????? ????????? ? ????????????? ?????? ? ?? /? 3.
? =F?? L?? ?,
?=1,68?? 2?=1500??? =1,68? 1500? 7,8=19656???? =25920? 3
????????? Mn? 17?? /? 3, Cr? 2?? /? 3, Si? 7,8?? /? 3.
????????? ????? Mn, Cr, Si,? ??? ? ????? 15??:
[Mn] =? ? [Mn] 0? ? 0 + n? [Mn]?? ? Mn=0,52? 0,7 +0,48? 2,7? 0,49=0,99%
[Cr] =? ? [Cr] 0? ? 0 + n? [Cr]?? ? Cr=0,52? 1,1 +0,48? 1? 0,885=0,99%.
[Si] =? ? [Si] 0? ? 0 + n? [Si]?? ? Si=0,52? 0,37 +0,48? 0,95? 0,61=0,48%
?????????? ????? ????? ? ????????????? ?????? ? %,?????? ?????????? ???????? ?????????.
?? =Mn?- [Mn]=3,4-0,99=2,4%.?? =Cr?- [Cr]=2,1-0,99=0,2%.?? =Si?- [Si]=1,32-0,48=0,84%.
????????? Mn? 18?? /? 3, Cr? 1,5?? /? 3, Si? 6,37?? /? 3.
????????? ????? Mn, Cr, Si,? ??? ? ????? 16??:
[Mn] =? ? [Mn] 0? ? 0 + n? [Mn]?? ? Mn=0,52? 1,2 +0,48? 1,1? 0,49=0,88%
[Cr] =? ? [Cr] 0? ? 0 + n? [Cr]?? ? Cr=0,52? 0,3 +0,48? 0,2? 0,885=0,24%.
[Si] =? ? [Si] 0? ? 0 + n? [Si]?? ? Si=0,52? 0,7 +0,48? 0,9? 0,61=0,62%
?????????? ????? ????? ? ????????????? ?????? ? %,?????? ?????????? ???????? ?????????.
?? =Mn?- [Mn]=2,3-0,88=1,42%.?? =Cr?- [Cr]=0,5-0,24=0,26%.?? =Si?- [Si]=1,6-0,24=1,36%.
????????? Mn? 10?? /? 3, Cr...