240page

228 ^11108 Eltr-sf=g 44 7. At-ZnAl B= trB to-001 2 etzn tr4s.=. At +E zng 4rl]L+*sz1 slo/oE- 4* a4 r. *aI _ 2, ^lseEltol ++6J ".J+gs^l =+*F"Jolel pE4. penar)tg ae| z! ol FCC +=ol a- Azltfs ,J:'-+. 7000419 6.J+gE^l 6}*zl, 3s.z1g, ^.s.;z++. Fq ^I+g= ulzlEz| =g .J +ol4. E+, ol -J+g oJF"lts_o}€-J+ql ulf.HIfS Bzla}€ zlEE z_nl +.J + 9l= 6J?o14, *4ol 9l= ^Jqql^l *7) +"|l BJ^l6tE zl€t$ol ^87)a .JAl -tr +El +^lqq ,44 BrlzB,q, rEol+ "J+g dzlal€ +q+4tg(srress corrosion cracking:SCC)9 Bzl al€ ^I*++. atVo Zn 20 30 Zn wtVo ral 10-60 Al-Zn 8eHs. 71. Al-Zn-Mg}l Et= E{ ol Et+g 'J€zlE gilr.l+ aeE^l €cBol ,JAl =qlJ ag B + 9lsq, ,JE 7I +g Et+g-s^] 6}*zl* zll-tre+ d+e-l +d+ Ta41s=E ts4 ,^ol= !I?o14. trH 10-6119 =Col zn s.l-G.to/a. Mg z.L-z.9o/o. cu L.z-2.0o/0, cr o.r8-a.4o/o, Alol ,l*lzlolt, .J€ + 410cql^J EB^l4+ =4 oE .J€zl tE, z)zl4 eeg
240page

7. Al-Zn계 합금
240page

7. Al-Zn계 합금
240page

7. Al-Zn계 합금