铝合金的金相分析

(2.7/),;(657);,(=80%);,(ab810/),,,,(2.7~2.8),(660),,,,,,,,,()I:(1)(5%)1)ZL,ZL::(A:)2)ZL::ZL::(AJT)3)ZL:(A.)4)ZL::(A)5)ZL::(AJI)6)-ZL:(A:)(2)(4%)1)ZL,ZL3:(A:)2)ZL(A:3BH:::)(3)(4%)1)ZL:(A,)ZL:(A::))ZL:(A:)(4)(4%)1)ZL:5(A:)2)(B:6)()1)ZL:(AJT,)2)ZL(A:)3)4)5):,,,,,(1):1)ZL,(A:):51=11.013.0%,Fe0.6%,Mn0.5%,Cuo.8%,Zn0.3%:b16/,2%():,l.AIi\\\\\\\_____----:1,ZL7,2aSiSi,AISi,577558,5111.6%14.5%,32)2111(A)ZL7,51,Mg,ZL::(A):51=6.0~8,o%,Mg0.2~.%,Fe=0.6~1.0%,Mn0.5%,Cu0.2%:T:b16~19/,,624%(,);T:ab20~21/,,2%,,,,,::6,ZL::a,,a+SiaMg:Si,Mg:Si,T(AI::FeSi)T:(lF:Si:),78,AlMnFeT(Al:Mn:Si),,A(ZL::)T(AI;S:Fe),11(Al:51Mg:Fe)ZL::5355,15051755,Mg:Sia,,ZL::,,,,,,48,aSi,5,(2)ZL(AJT:):Mg=9.511.5;;Fe0.3%,Mn0.1%,Zn01%,510.3%,Cu0.3%,Ti0.07%:ab20/,2%,T(4305),b)35/,10%,,,,,:,:9,ZLaA13Mg:,AlMg),,(A13Mg:)FeSi,MgZSiA13F,10Cu,T(AICuMg),1136Mg,,(Al:Mg:),(A13Mg:),1213,(AlMg:),,,12.ZL,Al:Mg:,3O13In_.ZL,Al:Mg:,,450x(3)ZLI(7,Cu=4.~5.0%,Fe0.5,Mg0.03%01,Zh0,2%,511.2%,:ab20/2,3%T(5155,5),ab26/2,3%,,:,:,Z:aA12Cu,,aaAl:CuFMn,N(AICu:F),15T,AI:Cua,15OU,,16,Al:Cu1111,}}}}{{{{{L--1,J:,a+12Cu+.2L2,a+1CuZF),N(216Cu:Fe)+AI:Cu,45Ox34OX(4)40E(B:):Zn=56%,Mg=0.5~0.7%,Cr=0.4~06%,Ti=0.1~0.3%:Gb20/,6)3%,HB76(180,12),(5)ZL:1(A:):Cu=45~5.3%,Mn=0.6~1.0%,Ti=0.250.45%,Fe0.2%,510.3%,ZnO2%:ab=19/2,56%,T(5355,5455),ab=3034/2,=825%,T(535,5455,1755)ab(300)=34~43/2,=3~6%,,o5:,:21,ZLZ:a,a+A:Cu+T(AI::Mn:Cu),TiFe,A13TiN(AlCuZFe),222324Al:Cu,T,Al:Cua,aCuMnT(Al::MnCu),(1755),aA12Cu,aAlTi+T(Al::Mn:Cu),25,,to+OL.~~~~.,.................-.---~~~~~~......r...~J..,...1,(L)(LF)(,LY)(LD)(LC)(LT)(1):Al99.70%A98.8%:,99.97%,64%,:,:FSi,,26,a,4O/);551;,,AI:Fe51T,(AI::Fe51)T:(AIFe:51:)Fe51,AI,FeSi(2)LYI:(:):Cu3.8~4.9%,Mg=1.2~1.8%,Mn0.30.9%,(1.%:ab21/2,6=18%;(5002)b47/,17%,:,:27,,LY::a,LY::aaA12CuS(AI:CuMg),MnFe51,{MgZSiN(AICuZFe)Al(MnsiFe),,LY::2829,(),.,99.5%(L:L:),,,)J)/O4cLY::,aA12CuS507u,5002,2829LY::,a+A12Cu+N(AICuZFe)+Al(MnsiFe),28,29,10001,,,:(1),,X,,,,,,(2),1X,52.,3,1.:,,,,,,siMgZsiAI:C:,S(A12CuMgAICuZMg:)T;(Al,:Fe3Si)T:(AlFeZSi:)AIFesiMn,,,,,,(,,1959):(1):,51MgFeCuN,:,(AlMgs,S),,(A13F,T:,N);,(A12Cu,5),,,(AlMnFe,AIFesiMn),Mg:Si,(:ZL::ZLZL:ZL,:),(2),:1511.65%(575),O05%,0.05%4640E,,,,,,;,,,,,,,,2.A]ZCuAI:C,A!:Cu,,:(aAl:C)J,(a+A12CuN)AlCAI:C(),Al:Cu,,,Al:C,,AI:C(N,s),,l:Cu,NS,N,S,Al:Cu3Mg:51,Mg:Si21,,,.Mg:Si,Mg:SiMg:Si,,,,,4T:(AI:ZFe51)a(AIFesl),,(),47,,(5),,(,),,5.T:(AlFezsi:)(AIFesi),,,Tl,51,TZ,SiT;6.5(Al:CuMgAICoZMg:)SMgZsi,Mg/Si1,73S,,,7.AIFesiMnAIFesiM,Mna(AIFesiMn)(AIFesiMn),AIFesiM(),(3),,,:1.,,;2.,;3.,;4.,,(),“...O.96N1.ONH.000.}}{~}O.lO09pN.pON,50ONN0.(to„09TOƒ02„g#l1g.SU.„?.ZS”0.9|!l\”?O,”,Od..OOO“CSN50,1.,,.,,,,5%()2.,,HF,HF,30~60,(25)\3,,,4.,30~40,(),5.,60,(S)6,,,(2~3),7.70,,,8.,,(4)1.2,;,(A)(3031):Si:,;(1,:Fo3):,T:(AlFcZgi):,,T:AI,:F:);,,T:(Al:Fe3Si)30.ZL,l,asiT,+31.ZL:,,asiT,TZ,450xTZ45ox2.ZL:(A10)(3233):A12Cu:,S(Al:CuMg):,,N(AlCuZFe):,3ZL,:(3435):A12Cu:,W(AlxMgoCu51),AlsiMnFe,