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g 60/o4) EBoJr+. ol ++€trI. Si 1e 13 z3 .a 400"c ql^-l =H 6IH ^113tr -sf=3 181 ,Jg ,r-l = .€lc (suspension) agB + .+ol E (spiral) a u "d oil 65si7el HEI =dg trB e-461oil +Elu4. 830c_tr+El +ts61 ztEzl 1,600MPa, stlgg 5o/o4,E7l €+. g-45 0 .457"C+1 .5%S i 4saJe rrl(5OO x ) ral 9-46 saJS 65si7el EJ q aJ 6rl(500 x ) 3. trJ7J7J trB e-471+ Fe-Mn tEISo'll, Mne Feq dHlg-e I*nl= "J=q, Ardg + +6Iq 4.5o/o Mn4lri Ard+ Bil]. r4o/o Mnqlr'l ^J+"il Eg+trI. Mn9 4=J ++ + ,Jg +BdlE trlfl4olE P g.Eil4ole =zl"l €4. trB e-4sl Mnt9 =4Eql^.1 I "t Il+9tol *g+ zfltr--tr ^l*qq, -f elE 1600 1500 1400 1300 r200 I rloo u{ looo + 900 800 700 600 t4 12 dMn 10 8 s v ib H z 4 2 ;: \ austnite B -Qc7- = \,ti \\.. I 5 0 10 20 30 40 50 60 70 80 90 100 Mn(Vo) ral 9_47 Fe_Mn SEI|E 0 0.2 0.4 0.6 0.8 1.0 1.2 7.4 1.6 1.8 C9o\ ral 9-48 Mn39 6=ls. v<3 / \ \ L =r- \ : B Mn \' T+b, I n \'^ / aMn (
193page

3. 망간강
193page

3. 망간강
193page

3. 망간강