10,830,8750,9450,9650,735,00,480,540,850,890,950,970,755,40,50,560,860,90,9550,970,7656,00,5270,5850,870,9050,960,9750,7857,00,5650,620,890,920,9650,980,818,00,5970,650,90,930,970,9850,8310,000,650,70,920,940,9750,990,8612,000,690,740,930,950,980,990,8814,00,720,770,940,960,980,990,89518,00,770,810,9550,9850,9850,990,91522,00,80,870,960,970,990,9950,9330,00,850,880,970,980,990,9950,9540,00,880,90,980,9850,9951,00,9660,00,920,9350,9850,990,9951,00,975100,00,950,960,990,9951,01,00,98
?????????? ?? ???????????? ?? ???????:
(5.5)
?? ? 6 -??????????,?? ???????? ??? ????????? ??????????.
??????? 5.4.???????? ???????????? ? I? ? I??? ?????? ?????????
??????????????????? ???????????? ??? ?????????? ???????????? ? ??????? ??????? (?????? ????????)SiMnCrTiAlCFe10(1,0)7,6(0,18)2,3(0,04)5,3(3,0)6,1(-)18,8(4,4)(-)?i1(0,88)1(3,44)1(3,25)1(1,8)1(-)1(0,375)(0,0016)
??????????? ???????? ?????? ????????? ?? ?????????? ??????. ????? ?????????? ??????????? ???????? ????? ????????? ??????? ???? ?? ?????? ???????? ????????? ? ??????? ????????? ?????.
????????? ??????????? ???????? ? ???????? ??? ? ??????? ???????????? ???????? ?? 6.1. ?????????? ????? ????? ? ????????????? ?????? ? % (????????????????):
?? =Mn?- [Mn] =%, (5.6)
?? Mn? =Mn?? + Mn???. ?-???????? ????? ????????,%??-????????? Mn? ????????????? ????? ??? ?????????,%???. ?-????? Mn? ????????? ??????,%.
????? ?? ???????? ???????? ????????? ?? /? 3. ?????????? ???? ???????????? ??????,?:
? =F?? L?? ?, (5.7)
?? F?-????? ???,?? 2;?-??????? ???,??;
?-????????? ????????? ??????- 7,8? /?? 3.
?????? ???? ???????????? ?????? ? ???? ???????? ? ??,??????? ????????? ?????????? ????????? ???????? ? ?? ? ???????. ???????? ??? ?????????? ????? ?????????? V??? =25920? 3 (???????????????, 72? 72? 5?),???? ?????????? ??????? ???????? ? ?? ????????? ? 1? 3. ? ????? ?????????? ???????? ???????? ? ??? (?.????. 5.1). ???? ???????? ???????? ???? ???,?? ????????? ??????????????? ????? ????????? ?????? ?????????? ? ??????????????? ??????? ??????? ???????.
??? ?????????? ??????????,?? ?????????,? ???????? ????? ? ?? ?????????? 0,5 ... 2,0%???? ????????????? ?????. ???????? ????? ?? ?????????? ?? ?? 80 ... 90%??????????? ??????? ???????????? ?????????? [27].
??????? ??????? ?????? ????????????? ?????? ??? ?????????? ?????? . ???????? ????? ?????? ????????? ? ???? .2.4. ???????? ????? ????????????? ????? ? ????. 5.5.
??? ?????????? ???????? ???????? ??? -??????? ???????? ?????,??????? ????????? ?????? 12?? ????????? ??????? ???????????? ????? 2??. ?????????? ??????????? ? ????????? ???? (???)?? ???? ??????.
???????? ???????? ???????? ??? (5.1)? (5.2).
??????? 5.5. ???????? ????? ?????
????????? CSiMnNiCrMo09? 2???- 08? 2??? 0.110.7 - 0.951.8 - 2.1?? 0.25?? 0.2-15????- 08?? 2??? 0.110.7 - 0.951.7 - 2.7?? 0.250.7 - 1-16????-...