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^1|ltr +tr 1ss Ll. +trel EEt| f,e"rl= nlCgrJ4zI(BCC)= 714. a-Fe ',i d-Fe=I EC.J*4z}(pcc)= zl4 y- Fe9 3zli el F^ il 71 91r}. te = 7Ig 6IE 768"c oI ^l = ,tzlC (ferromasnetic) o tr + el ttzld (paramasnetic) ol q = zlzl H 4zl 9lt 910"C ql ^J 43 H 4 .J ap (BCC) = ra (FCC) e+ 1400C ql^l ,{4 H4.J re (FCC) = ots (BCC)E FrH+lzl 914. FiHE]l= flzluN$o1 u}+l o=. H4ql ol t- AEq ^ltg s_+trI. ul4r-l + g+ trll. A3, A,dg tsolxll "tsg *ll= *olrl4. A,dg 9zlull99 Hslzl-S o Ir_E_ ol zlt €^Jg S4. FiHEIql^l= H4dql 7Ig ^lql= c(ye}.ol9 7Lg : chauffage)E E€ Aca, Acao'l]. tsz+^lAlE r(iE*.qq Bzi : r efroidissement)9 Eq Arr, Arn.E s.^l+4. zlg+ ts4+E= ++d =+E Ar4 AnE "Jrl6}ztl gq ol"I= e(tJB : equilibrium)= Eq Ae3, Aeae+ ?ol -9.^lo.J4. teE ErHql= gEq EleI oI4el ?ol +4ttrI. A3 A4 A-9zt ociI] d-Fe C €-nl c (BCC) 153e C rf. tr3el E+ erJAl _ E _ E E+6IE +B* 4rl zlltr= f,++ Feol olrl-L r +ql C, Si, Mn, p, s Fg Et ilgq, oJHI4 otr cel .J+?*ql 4el "+ =4qlt c 0-0.025o/oz f, E, c 0.025-2.00/o* zJL( oldt.! zJt : c 0.025 -0.80/o, +4 rJ : c o.go/o, ++4 rJ : c 0.g -2.0o/o), C 2.0-6.670/oZ +e(oI+A +4 : C 2.0-4.3o/o, *e +4 : C 4.Bo/o, ++ e +4 : c 4.3-6.67o/o)E E+6Ir 919+ c 1.5-2.5o/o9 B9= d*^Jol 4 s IrE +B 4 o E ^J tlg Ee. a}z1 9+=tr1. 2. Fe-C 8efls. 71. Fe-CZl "=E 8rHs. Aql i"*E Erzl 6J+€ ,^g eta, HFZJ, E.= tzl ,Jol4 +sq zlalE a= _ c, sL Mn, p, s 5 sgi= ++6I+ ol + ,tE =zlr+ ceql a-Al od6}g + . 7)+ +Aolq * +E +i= !-F EEIE(tre3c)e. €z16ll, olaol E6l4q + €rlol q= "Jg EEq .JHI4 os zoF41 rll-Iq tsg "lql= Fe-Fe3c9 =.Je vJB t4s= C46t= vJol vJ46I4. olq +rrJel 4+ c7l +4€ $€eE 9xl 9+ a-Fe = f -Fe e (BCC) e10 C (FCC) 1400
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2. Fe-C 상태도
167page

2. Fe-C 상태도
167page

2. Fe-C 상태도