ڹ(yng)3003XܬF(xin)؛ 5052XS
ŽQ(mo)˾һҼa(chn)c͵ľCԌI(y)˾н(jng)a(chn)(yng)XXXܡXyX壨СlX塢ָX壩кX塢XϽX塢XXXXXXopXܡֱXɫXNXӹXܺXۏXܼӹXܴXۏXܺXľӹXϽӹXܾӹXXӹXƷӹȵ
ڹ(yng)3003XܬF(xin)؛ 5052XSҸNҺwСؓÁT σb (MPa) ) 140-180 l σ0.2 (MPa) )≥115 5083XϽǸVϽ
ɝM|(zh)1060/110020142A12LY12,20172024300350525754ߵ05ߵ066201610660116351600560616262606364636082700370057075
˾cȫضҽ(jng)NԼI(y)Lڷ(wn)ĺP(gun)ϵ
ڹ(yng)3003XܬF(xin)؛ 5052XS҃x֧֟cTƷ-⚤
6063XϽĻW(xu)ɷֳɞa(chn)(yu)XϽͲĵ^Ҫһh(hun)
ܵӰ
6063XϽAL-Mg-SiϵоеȏȵĿɟ̎폊ϽMgSiҪϽԪأ(yu)xW(xu)ɷֵҪǴ_MgSiİٷֺ(|(zh)֔(sh)ͬ)
ܲڹ(yng)3003XܬF(xin)؛ 5052XS
11MgúӰ MgSiMɏMg2SiMgĺMg2SiĔ(sh)̎폊ЧͲĵĿȾ׃οҲS֮ӴϽ½ӹ׃g׃ġ
12SiúӰ SiĔ(sh)(yng)ʹϽеMgMg2SiʽԴ_Mgõõֵİl(f)]SSiӣϽľ׃ԼӴT׃̎폊ЧӣͲĵĿ߶Խg׃
xҪVڽ(gu)TbȺڹ(yng)3003XܬF(xin)؛ 5052XS
21Mg2SiĴ_
211Mg2SiںϽе Mg2SiںϽSضȵ׃ܽԲͬΑB(ti)ںϽУ (1)ɢβ’’wMg2Siɢ|(zh)cһN(wn)Sضȵ߶L (2)^β’ β’’Lɵg(wn)ҲSضȵ߶L (3)ββ’ Lɵķ(wn)࣬ۼھ֦ Mg2SiǮ(dng)̎β’’ɢB(ti)ĕrβ׃β’’^̾Ǐ^̣֮tܛ^
212Mg2Six 6063XϽğ̎폊ЧSMg2SiӶӴ(dng)Mg2Si071%103%(ni)r俹SMg2SiӽƾԵ׃οҲӹ׃yMg2SiС072%rڔDϵ(sh)ƫС(Сڻ30)Ʒֵ_(bio)(zhn)ҪΣU(dng)Mg2Si^0.9%rϽнڅ GB/T52371—2000(bio)(zhn)Ҫ6063XϽT5B(ti)Ͳĵσb≥160MPaT6B(ti)Ͳσb≥205MPa`CԓϽĿ^߿_260MPaa(chn)Ӱغܴܶ__@ôCϵĿ]ͲļҪȸܴ_a(chn)ƷϘ(bio)(zhn)ҪҪʹϽڔDa(chn)Ч҂O(sh)ӋϽȕrT5B(ti)؛Ͳȡ200MPaO(sh)ӋֵĈD1֪200MPaҕrMg2Sis08%T6B(ti)Ͳ҂?ni)O(sh)Ӌֵ230 MPa˕rMg2Siߵ095%
213MgĴ_ Mg2Siһ(jng)_MgɰʽӋ㣺 Mg%=1.73×Mg2Si%/2.73
214SiĴ_ Siĺ횝MMgγMg2SiҪMg2SiMgSiԭ|(zh)֮ȞMg/Si=173 ԻSiSi=Mg/173 nj`CSiMϕra(chn)ĺϽ俹ƫͶϸ@ȻǺϽMg2Si(sh)ԭǺϽеFeMns|(zh)ԪؓZSiFecSiγALFeSiϽбҪ^ʣSiaSiēpʧϽ^ʣSi߀߿aϽȵMg2Si^ʣSiؕI֮(dng)ϽFeƫߕrSi߀ܽFeIJӰSiͺϽԺgSi^(yng)кĿơҏS(j)H(jng)J^ʣSix009% 013%(ni)DZ^õ ϽSi(yng)ǣSi%=(Si+Si^)%
Ʒ
31MgĿƷ Mgȼ۟rПpڴ_MgĿƷrҪ]p`ܷŵ̫Ͻʧ҂(j)(jng)ͱSϡ۟ͻˮƽMgIJӷ004%֮(ni)T5Ͳȡ047%050%T6Ͳȡ057%060%
32SiĿƷ (dng)Mgķ_SiĿƷMg/Siȁ_ԓSSi^009%013%Mg/Si(yng)118132֮g
336063XϽT5T6B(ti)ͲĻW(xu)ɷֵxҪ׃Ͻɷ֕r댢Mg2Siӵ095%Աa(chn)T6Ͳĕr^Siޅ^(q)gMg06%ҵλüɡ˕rSis046%Si^011%Mg/Si1
34Y(ji)Z (j)ҏSĽ(jng)6063XϽͲMg2Si075%080%(ni)ȫ܉MW(xu)ܵҪDϵ(sh)(ڻ30)r£ͲĵĿȶ̎200240 MPa(ni)@ӿƺϽ𣬲HԺڔDgԸߺͱ̎ܺҿɹ(ji)sϽԪ߀(yng)eע⌦s|(zh)FeMЇFe^ߣʹDӴDı|(zh)׃^ɫӴɫҰoɣF(xin)e߀ͺϽԺg`CFe015%025%(ni)DZ^
ڹ(yng)3003XܬF(xin)؛ 5052XS W(xu)ɷ
Si0.20-0.6
FFe: 0.35
~Cu0.10
iMn0.10
VMg0.45-0.9
tCr0.10
\Zn0.10
Ti0.10
ӹ^úڹ(yng)3003XܬF(xin)؛ 5052XS
XAl
W(xu)ܣڹ(yng)3003XܬF(xin)؛ 5052XS mڽ(jng)ӹCֱCƽ߮a(chn)ƷȵĮa(chn)Ʒ
σb (MPa)≥250
L(yng) σp0.2 (MPa)≥110
L δ5 (%)≥7
ע ҜؿvW(xu)
ԇӳߴ磺ֱ≤12.5
˾һ؞ԣ (w)ǰ|(zh)ǰr͑(w)ܵ͑ԭt\š(chung)hּ gӭϿ͑ǰ텢^ǢՄ҂ԸcVϿ͑yֹMͬ(chung)
ף
һXϽB
|(zh)
ڹ(yng)3003XܬF(xin)؛ 5052XS XϽܶȵȱ^ӽ^(yu)ԺɼӹɸNͲЃ(yu)Č(do)(do)ԺͿgԣI(y)ϏVʹʹHһЩXϽԲß̎@õęCеܣܺͿgӲXϽAI—Cu—Mgϵһ㺬Mnɟ̎폊cӲȴ^ӲXAlһCu—Mg—Znϵɟ̎폊Ҝ^ߵXϽ𣮵gԲߜܛXϽҪAl—Zn—Mg—SiϵϽmȻԪطNǺ٣Ѓ(yu)ğm죬ַQXϽ[2]
|(zh)Y(ji)(gu)
XܶСρ=2.7g/cm3sF 1/3cͣ660棩XY(ji)(gu)ʾкܸߵԣδ:32~40%ψ:70~90%ڼӹƳɸNͲģgܺǼXďȺܵͣ˻B(ti) σb ֵs8kgf/mm2ʲY(ji)(gu)ͨ^Lڵa(chn)`ͿƌW(xu)˂uԼϽԪؼ\ß̎ȷ폊X@͵õһϵеXϽ һԪγɵĺϽڱּX|(zh)pȃ(yu)cͬr߀ܾ^ߵďσb ֵքe_ 2460kgf/mm2@ʹ“ȏ”cصıֵ σb/ρ^ܶϽ䓣ɞĽY(ji)(gu)VڙCе\ݔCеCеչI(y)ȷwCęCƤCȳXϽԜppءXϽ䓰ϵĺӣY(ji)(gu)ɜpp50%
ނ
ނXϽģ呹ˇеҪһh(hun)XϽڸߜ^ܛճԴԲճģa(chn)Nȱc(ۯBëѼy)Mһǰ횴ĥނȱcɃtںm(x)ȱcMһU呼U
ނõĹL(fng)ɰ݆CL(fng)С㊵늄С㊵PނǰȽ(jng)gȱcλނ̎ҪA^䌒ȑ(yng)ߌӶȵ510MӹMгCֱCƽڹ(yng)3003XܬF(xin)؛ 5052XS
ӹڹ(yng)3003XܬF(xin)؛ 5052XS mڽ(jng)ӹ߮a(chn)ƷȵĮa(chn)Ʒ
XϽӹa(chn)Ʒ֞PLFӲ|(zh)LY죨LDӲLCLB⣨LTFLQXϽϵĠB(ti)˻MF𣩡ӲY܈RN
Tc
T캆QTһN۽Y(ji)ϽҺ뉺҃(ni)ԸٳģߵǻʹϽҺډ̶γTT췽T^(q)eT췽ҪcǸ߉
1Һډǻڸߵĉ½Y(ji)̣Ҋĉ15—100MPa
2ҺԸٳǻͨ10—50/е߀ɳ^80/ͨ^(ni)ڌ(do)ǻľٶ—(ni)ٶȣ˽Һij͕rg^̣s0.01—0.2루ҕTĴСͬ(ni)MǻTCTϽcTģljTa(chn)Ҫȱһ^Tˇnj@Ҫr(nng)I(y)a(chn)wϵؼԾC\ʹܷ(wn)й(ji)غЧʸߵa(chn)^(ni)|(zh)õġߴψDӻf(xi)hҎ(gu)ҪĺϸT(yu)T
T
ָϽҺwT͵ԵĴСQϽܷT(f)sTXϽйϽ^
ӰԵغܶҪdzɷضԼϽҺwдڽٻPȾĹwڵĸ؞靲עضȼעQע^ĸߵ
Ha(chn)УںϽѴ_rˏ۟ˇc߀횸TˇԣɰģģŚ⼰ضȣڲӰT|(zh)ǰߝעضCϽ
X
XXϽ(jng)ӹһΠIJϽy(tng)QXܲͲĵȡڹ(yng)3003XܬF(xin)؛ 5052XS
ӷ
ڹ(yng)3003XܬF(xin)؛ 5052XSҾиߵĿg(do)Ժ͌(do) XϽ,ȸߺ|(zh)pҪӹˇu^廡TIGwoMIGĦFSW
˺ϽÙCеԼ^(yng)ڹ(yng)3003XܬF(xin)؛ 5052XS
ڹ(yng)3003XܬF(xin)؛ 5052XSĉҺw܇܇ؼb䣩báҕ@̽O(sh)䡢ͨ\ݔO(sh)(do)b
؟(z)չʾϢI(y)ṩ(ni)ݵ挍(zhn)_ԺͺϷɰl(f)I(y)ؓ؟(z)XW(wng)˲Г(dn)καC؟(z)鱣棬҂hxXW(wng) XI(y)ͨTѣՈÑӏϢ挍Լl(f)cY|(zh)eҪ
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