223page

^112tr gl.Foltsrl r -dE 211 11! 2 tr g+trltszl =:d= 1. g+trlts 71. g+ElEel €tr Alel 844 Ceg FCCoI 7- a- CAg fEql 4rI trIs4,4.zldEgg cu9 + 65o/oolq, ++ +ql *-&e}9.1 7I^J +* "+olr+. Hl+ol e"l Hl6|q LfirlE-tr zl E.a, dzldsE, r]]^ld,7I+c 501 ++614. st 4tol olE4+q "Jdql EllE z) gtrl. +E= "JHI+B+, a+t}4+, dtrl, 6}*zl , 4-zl dzl+E, oJ^J ^J+** F"l 'J?-l ,^oJ4. 4= EfEq E6Iq B'Jg Etsrl, Ti, Mn, Zn, Cu, Fetrlg:- aizl z4.d^il-tr Al +E Ef,E trll+Eg Si, Fe, Cuol4, 250-300"cq1^l EH6IE dEgol a-Al'J^J€4. (s to-z)ts et9 E44 Ceg +4d 4o14. zlA)4 ceg a 4tr9 f,E, zl*E,97]4 z7J, ^lB gEql El+ Belzlq f, E7l =g++ ta}l, Ef,Eol ?zlal$ zlEzl zlzl4 ttr"1 d+. erg t3 7I+6IE eEe+.J^JrlEE ?zlall Sdgg Ar+q.3sz1 al+ = o}4ql rr+EI dd zlEE ,Jrq+ €dgg 400-500"cq1^l =rl]^lql B+trI. trSz} *3 zso-500C71 4oJ6'Ir, z\4.4 zllrl gE= AIE f,Eql 44 4tr+ 260"C += ol q. EB gE H I E S+o-360"C ol +. /\{ xl d= +^l /\i xl ct= +^l EXFJ ?1Tl7J71e;l EEEE(o'c) rill-o4illel iIxlEHit /.il-roo HIE(20'C) zlalB(z7g At) CTIEEE d7l^l-del 8-Ezl+ trol*Hl 26.98 4.0496x10-8cm 0.5cal/cm 's ' 'C 6.5% 0.214callg ''C 75,630ca1 34.5mla'mm2 1.2x10-4Q' mm2 /m'"C 0.34 flTIHE H l=(20'C) c"J8Zl+(20-100"c) _ Q. o x-{ o(5E AE AE -HI.x{ oeEi dTlBlxl-Bf(20'C) ETIEI-+'J'J a€s 13 2.71 2.4x10 mm/'C 660.2"c 92.4cal/g 2,279'c 0.027O'mm2lm 0.3354g/A' h 2.7x102k9 .llmmz
223page

1.알루미늄(A1)
223page

1.알루미늄(A1)
223page

제 2 절 알루미늄(AI)과 그 합금
223page

1.알루미늄(A1)
223page

제 2 절 알루미늄(AI)과 그 합금