230page

3. Al-Cu계 합금
230page

3. Al-Cu계 합금
230page

3. Al-Cu계 합금
230page

218 ^11108 Bltr-sf=g 44 .Jf"lts +a4l Elllcl +az4+ z]]elalzl 96Iq +EEg dzlalfl t++dq = 4*zl B:4. +trE rtlal r-E=El€=ol'I qlEl+g dz}5lE r4g z1]=Jslzlt'I EE"J+ ?E^l= 9+4. tl. Al-Si-Cu-Mg-NiXl -Ef= 451 A1, si*?ql ,J+= +4str cuel Mg$ dzlalq l* "l 4= rJ++ B?o14, +=cr+,-]]ulEcol ++-J B?ee. g*+al itl zlol EIE*E =l.€i= B+e _ tr ol*q -7., Ni? zIts ,_il g^J r+ il+H+= $ zfl;|zl g 6Iq d zl+4. trH to-szl9 EL+H* acsa(Lo-Ex) o -4, e^Jg cu t.z7, si 12.61o/o, Mg t.szo/o, Ni r.37o/o, Fe 0.39o/o +B A= =4 olr+. ^ITlql +Elt =49 E^qE a(Al)t}9 + zl*zlzl, El^4el +esi, +^49 +A€^JE Ar-cu-Ni9 ElBEol +EI+q, ^JE ++ E a(At), Si, e(AI,,Ni), A(AI.Ni2), MgrSioll, ol"l +4 "-43 up 5cc, H2O 95ccol4. ,l ral 10-37 ACBA(Lo-Ex) a4 3. Al-Cu4l Et= +E+gs d*H9l= tZo/o cu 3ro)r}. tr? to-ssl3 Ar-cu t4solr+. ar€. 33o/oCu, 548 C ql^J A+rJ +EtE APCu*C I € C +trI. aI.SzI E Aloll ql + Cu9 r*ilg^-1, Cu9 aql r**g gErJ-Ie+ q$q ;146l ,Jaaiq, _LgEE 548 "c:5.7o/ocu, 500'c '.4.4o/ocu, 400 c :1.6o/ocu, 300 c :0.45%cu, ^Jg :0.25o/ocu ol5}ol4. t- { T