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1、 1 2 3 2 1 3 4 1 3 2 4 1 3 2 4 3 2 4 1 451 2 3 4 56 7 ()8 ,1abc: : : : :23-Fe-FeCrV -FeCuNiPb MgZnaca-Fe-FeCrV-FeCuNiPbMgZn4Fe2.54*10-10mFe1mm3Fe3/4a=ra=2.54*10-10/2/3/4=2.933*10-10m-Fe 2.933*10-10m 1mm3-Fe1*10-33*2/2.933*10-103 =7.927*1019 5 6110111110111 7 8-Fe -Fe-Fe0.68-Fe0.74-Fe-Fe-Fe9-Fe-Fe101
2、1 1213141. 2.315MgOCaOSiO4 1NGFNMsmm3G(mmMsFF=F-FNG231 2312312345 A B ? ? l A B 2 K B B 3 12B36 Mg-Cu ( ) (1) Mg ? ?(2) 30%Cu 500 400 (3) 30%Cu 1MgGu237 ?8 ?9 A 700 B 600 400 A B 20% 10% B A 400 30%B (1) A-B (2) 15%A 50%A 80%A 1 ?AFe3CFFe3C ?a-Fey-FeLdLd(P+Fe3Cii+Fe3C)?SFeSFeSFe1000-1200P2Fe3C-727SP
3、r0.77(727)F0.0218+Fe3C6.691495BHJAL0.77+0.091495r0.161148CE L4.31148r2.11+Fe3C6.693 Fe-Fe 3 C (1) (2) 0.4%C (2)4 ( ) 80% 20% 94% 6% ? ?5 Fe-Fe 3 C (1) 0.6% ?(2) 1.2% ?(3) 6 0.20%C 0.4%C 1. 2%C 3.5%C ?3.5%C1.2%C0.4%C0.2%C7 Fe-Fe 3 C (1) 1.0% 0.5% (2) (3) l100 0.4% 4.0% (4) 950 1100 (5) ( 1000 1250 ) (6) (7) ( ) 60 65 70 75(8) T8 T10 T12 10 20 (9) 1230.4%C11004.0%C1100495011005678T8T10T129.Fe8 SiMnPS.SiMnPSS9 45 T 8 T12 T8T1245#T8T1245# T12T845#T12T845#45# T8 T1245#T8T1210 (1)A3 (2)45 (3)T12A1 2 3 11 % F 0.008-0.0218 A 0.77-2.11 Fe3C 6.69 -Fe -Fe 11 ()()2