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252 ^111Qtt ultr-sf=el 4! 3. Pb E= 71. Pb-Sn -Bt=el trJE $e[t-=. trB 10-1021E pu-sn'J"E vJ€ tutls= +Elt 4o14. ol t4s= tf,+ + A 4 E B#o14, +e B g 6l.9o/osn q 38.ro/oPb. 183'c ol+. Pbzl r*oltl ar.*xl E *CgEql^l Lgo/oSn* a+6}q, 100Cql^1. 4o/oSnvJ r*+4. +4H'=Jol 041.r'1 reo/ooJ -J+g "l^Jdql^l Bol r*o}+l r+alz} a=gq, *tzy EEqE +4+ r*{e €4. *4lsd ol6}el gE"I^] g{ ^lZ}.'?xl;}E +4"il q+ vJ4ol + 4r4. F ut dr 350 327 300 250 200 150 100 50 0 Pb 10 -r al JE 20 30 40 50 60 70 80 90 Sn[% ] 1O-1OZ Pb-Sn-dEel 'JE 8rH-=. Lf. Pb-Sn -Et=el #a 6Il irB 10-10319 pb+Sn*+ a4 o E B+ +49 CE'+ql 44 E+i}gq, 100EI (g+)s+ s00ul(s=E) ulsE E+6Iq z4E HE+= rl44z ilr+. =4 +q qF + +Eg Bol4, glg +Eg ?4e=. +4U+. (a)Y eoo/oPb+Sng +++ B+9 -tr pYJ4g 4= Pbzl v*oltl a-a*nl 44, (b) 8oo/opb*z0o/osn3 B++ 6J+gE (r+F)+Cql^l €2il;lE al.*4l=zl (c) 70o/oPb*30o/oSn* *++ oJ+oE (r+il + C.llql €4a}ts ee aL*xl=.4, (d) 6oo/opb*40o/osn* +++ B+gE- (o+F)*4 LlJql^'l €4lalE AA al+ilZ4, (e) 50o/oPb*50o/oSn* *++ B+qE- (o+P)*C qlql^l €zlalE irj al.*nl = .4, G) 4ootopb*6oo/osng Bf+ aC ar.*xl=zlol4 \ o E al(s S+ z ----1 a ) a TtJ 9 18 c 19 7.5 / I a+ I 1.9 p C
264page

3. Pb 합금
264page

3. Pb 합금
264page

3. Pb 합금