Txhuas Alloys tau siv dav siv hauv kev tsim kho, kev ua haujlwm ntawm kev ua kom zoo, thiab kev ua kom zoo dua qub, thiab kev ua kom zoo nkauj yog cov sib txawv ntawm cov sib txawv ncaj qha cuam tshuam lawv cov txheej Kev Ua Haujlwm . Cov lus no tsom rau peb cov khoom siv ua kom zoo, cov khoom siv hluav taws xob, cov lus qhia txog kev ua kom zoo nkauj thiab kev ua kom zoo.
1. sib piv ntawm cov khoom siv yooj yim alloy thiab txheej haum
1) alloy 1100 (ntshiab txhuas series)
Muaj pes tsawg leeg thiab cov yam ntxwv: Purity ntawm ntau dua 99% (Aluminium cov ntsiab lus ntau dua lossis sib npaug ntawm 95%) thiab silicon (0.95%). Nws yog qhov tsis-tshav kub-kho kom sov nrog lub taub hau tensile ntawm txog 90 MPa, lub zog loj, thermal conductivity thiab refirity.
- Cov yam ntxwv: kev ua kom siab tawv nqaij tawv, lub zog hluav taws xob tsis zoo, cov khoom siv hluav taws xob yooj yim (sib sib zog nqus) {{3}
- Cov ntawv thov raug: khoom noj ntim khoom, ntim khoom, cov khoom sib dhos, cov ntaub ntawv vaj tsev sib dhos..
• Cov txheej txheem haum:
o Qhov zoo: Uniform degrgicful thawj cov yeeb yaj kiab oxide, xws li phosphating, tsim nyog rau anodrizes txo cov txheej txheem ntawm txheej adhesion .
o Qhov tsis zoo: Cov neeg siv hluav taws xob tsawg dua (tensile muaj zog yog li 90 mpa), yooj yim deformation thaum lub sijhawm ua, uas tuaj yeem ua rau tawg ntawm txheej; siab refendity yuav tsum muaj kev kho tshwj xeeb matte kho kom txhim kho cov txheej txheem kev sib dhos ua ke .
2) Alloy 3003 (Aluminium-Manganese Series)
Kev sib xyaw thiab cov yam ntxwv: Aluminium-manganese alloy, muaj {}}}}}}}}} 6% silicon. Tom qab ntxiv manganese, lub zog tau nce los ntawm kwv yees li ntawm 20% piv nrog 1100 (corrosion zog yog qhov zoo heev, thiab kev ua tau zoo heev.
- Cov yam ntxwv: nruab nrab lub zog (tensile lub zog ntawm txog 110-130 mpa} mpa} mpa kom zoo dua li tsis muaj zog aluminium (tshwj xeeb yog weldability yog zoo .
- Cov ntawv thov raug: ru tsev tso tsheb hlau luam, chav ua noj tais diav chav ua noj, cov ntaub hlau ntaub,}
• Cov txheej txheem haum:
o Qhov zoo: Cov theem ib theem tsim los ntawm manganese cov ntsiab lus txhim kho kom tawv nqaij thiab txo cov neeg kho tshuab sib tsoo ua ntej tha xim; Tsim rau sab nraum zoov ib puag ncig (xws li lub tsev kab hlau rhuav phab ntsa), txheej muaj cov huab cua zoo tshaj plaws {}}
o Qhov tsis zoo: Manganese yuav ua rau anodring xim sib txawv, thiab cov roj elololyte yuav tsum tau tswj hwm; Vuam cov chaw yuav tsum tau kho cov kev kho me me kom tsis txhob xeb .
3) Alloy 5005 (Aluminium-Magnesium Series)
Composition and characteristics: aluminum-magnesium alloy, containing 0.5-1.1% magnesium, 0.2% manganese, and 0.3% silicon. After containing magnesium, the strength is further improved (tensile strength 140-180 MPa), with both corrosion resistance and processability, and is often used in ships and vehicles.
- Cov yam ntxwv: siab zog (tensile lub zog ntawm txog {} mpa} mpa}} mpa} mpa} mpa} .
- Cov ntawv thov raug: nkoj lub nkoj, cov tsev nyob sab nraud, cov tsev nyob hauv tsev hluav taws xob .
• Cov txheej hloov tau:
o Qhov zoo: Magnesium txhawb nqa kev tsim cov yeeb yaj kiab dense dense, muaj ntau cov ntsev txau, thiab yog haum rau cov tubrog chaw ib puag ncig; siab formability yog tsim rau cov nyom strain Txau txheej txheem .
o Qhov tsis zoo: Cov ntsiab lus tseem ceeb heev (xws li 5052) yuav ua rau muaj kev kho mob intergranular, xav tau nruj me nyuam yaus passivation kev kho mob; kev nthuav tawm cov kev nthuav dav siv coefficiention, cov txheej yuav tsum tau ywj pheej los daws qhov kub tawm qhov kev rhuav tshem kub.
2. sib piv ntawm cov tub ntxhais cov ntsuas ntawm txheej ua haujlwm
Txheej ua tau zoo nyob ntawm cov ntsiab lus hauv qab no:
1) Cov yam ntxwv txheej txheej Oxide Cov Cim Oxide: Cov kev sib xws thiab ntom ntawm cov ntoo aluminium oxide txheej (al₂o₃) {1}.
2) Pretreatment txheej txheem: Kev Kho Mob ntawm Kev Kho Mob thiab Kev Hloov Ua Si Chome (xws li Chromization Kev Hloov Kho (Phospium-Dawb Kho).
3) TXHEEJ TXHEEM TSEEM CEEB: Tshuaj Txhuam Hniav: Tshuaj Lom Zem Ntawm Cov Txheej Thiab Substrate.
4) Ib puag ncig corrosion: Kuj npau taws, noo thiab cua sov, thiab UV laus tom qab txheej.
1) Cov Txheej Txheem Ntawm Cov Txheej Txheem Ua Ntej
• 1100: Degreasing + Alkali ntxuav + Kev Kho Mob Hloov Siab (xws li cov txheej txheem hloov dua tshiab uas yuav tsum tau tswj hwm los ntawm kev txo cov txheej txheem nplaum {{4}
• 3003: Manganese tuaj yeem txo lub sijhawm ntxuav alkali, tab sis acid
• 5005: Lub xub ntiag ntawm cov hlau nplaum yuav tsum tau siv cov tshuaj lom neeg passivating tsis txhob muaj kev sib daj sib deev yog li 15% siab dua yav dhau los ob.
2) TXHEEJ TXHEEM ADHESTIONS THIAB DURISE
• 1100: Zaj duab xis anodized muaj lub zog zoo tshaj plaws (txog li 25 MPa lossis ntau dua), tab sis nws haum rau sab hauv cov nyom panels.
• 3003: The adhesion of powder coating (cross-hatch test level 0) is better than that of liquid coating, and the light retention rate after 10 years of outdoor exposure is >80%.
• 5005: cov epoxy resin txheej tuaj yeem tiv taus cov tshuaj txhuam ntsev kom txog li 2000 teev yam tsis muaj kev daj rau kev npau taws rau kev tawm tsam {}}
3) Xim ruaj khov thiab cov teeb meem zoo
• 1100: lub hauv paus siab muaj txiaj ntsig zoo sib xws thiab haum rau cov khoom siv zoo li qub hlau (xws li cov khoom siv hlau loj) {3}
• 3003: Tom qab anodizing, greyish suab paj nruag yog nquag tshwm sim, thiab muaj nqis yuav tsum tau ntxiv los them nyiaj; Cov xim txawv ntawm cov phiaj xim yuav tsum tau tswj tsis pub dhau ± 0 {}}}.
• 5005: cov khoom siv magnesium ua rau muaj xim tsaus nti (xws li tsaus grey thiab dub) yuav tsum tau nquag ua rau tsis muaj xim tsis ruaj khov, thiab cov txheej txheej tsis sib xws yog qhov ruaj khov dua {}
4) Cov kev xav tau saum npoo
- Alloy 1100:
- Cov txiaj ntsig: Cov Oxide txheej ntawm cov qib siab yog cov khoom siv tsis zoo, cov txheej txheem ua haujlwm yog qhov siab, thiab cov txheej txheem pretreaticment yog qhov yooj yim.
- Cov kev sib tw: tsawg lub zog yuav ua rau kev puas tsuaj saum npoo thaum lub tshuab ntxuav txhua yam (xws li sandblasting).
- Pom zoo Pretreatment: Alkaline Degreating → nitric acid pickling → Chromization Kev Kho Mob (Txhim Kho Adhesion).
- Alloy 3003:
- Qhov Zoo: Cov Compound intermetallic (Al₆mn) tsim los ntawm manganese nce cov npoo tawv thiab tiv thaiv muaj zog pretreatment.
- Cov kev sib tw: lub sijhawm xaiv yuav tsum tau tswj kom tsis txhob raug nthuav tawm ntawm manganese cov khoom thiab ua rau txheej tom qab txheej .
- Pom zoo pretrecatment: phosphate hloov dua siab tshiab (txhim kho cov txheej nplaum) .
- Alloy 5005:
- Qhov Zoo: Magnesium txhawb nqa kev tsim cov txheej txheem xim denser oxide, uas haum rau anodizing pretreatment.
- Cov ntsiab lus nyuaj: Cov ntsiab lus tseem ceeb heev yuav ua rau muaj kev hloov pauv zaj duab xis, thiab tus nqi ntawm PHEM xav tau tswj.
- Pom zoo Pretreatment: Kev tiv thaiv chromium-dawb zirconization (ib puag ncig kev tiv thaiv kev tiv thaiv) + anodizing (txhawm rau txhim kho corrosion tsis kam).
5) TXHEEJ TXHEEM ADHESTIONS
- Alloy 1100:
- Adhesion ntaus nqi (Astm D3359): 4b (ntau tshaj 5b), yog ib qho yooj yim txhuas thiab yog ib qho yooj yim los ua cov txheej txheej {}}
- Qhov kev txwv: Cov nplaim yog ib yam nkaus thiab yog tus nquag tawg yog tias cuam tshuam tom qab txheej.
- Alloy 3003:
- Adhesion ntsuam xyuas: 4b {{-5 b, manganese tsiaj txhim kho cov khoom siv roughness thiab muaj lub tshuab hluav taws xob tseem ceeb rau hauv anchoring effect anch}
- Qhov zoo: haum rau tuab txheej txheem tuab (xws li hmoov txheej txheej) nrog kev tawm tsam zoo heev - peeking kev ua haujlwm {}}
- Alloy 5005:
- Adhesion ntsuam xyuas: 5B, Magnesium txhawb nqa cov qauv ntxig ntawm cov roj oxide thiab txhim kho cov co nkag mus.
- Qhov Zoo Tshaj Plaws: Epoxy Resin Primer + Polyurethane Topcoat System.
6) corrosion tsis kam (tom qab txheej)
- Ntsev tshuaj tsuag kev kuaj (Astm B117):
| Alloy|Dawb xeb Pom Lub Sijhawm (teev)|Liab xeb Ntes Lub Sij Hawm (teev) |
| 1100 | 800-1000 | 1200+ |
| 3003 | 1000-1200 | 1500+ |
| 5005 | 1500+ | 2000+ |
- Kev ntsuam xyuas ntub dej (ttm d4585):
{- 5005 Ua yeeb yam zoo tshaj plaws vim tias magnesium corrosion {}}
7) Txheej Txheej Txheej Hloov Tau
- Ua Kua Txheej:
{{0- 1100 thiab 3003 yog qhov tsim nyog rau txau thiab ntsw; 5005 xav tau kho qhov coating leveling vim nws cov npoo av siab hardness.
- Hmoov txheej:
{{0- 3003 thiab 5005 zoo dua vim tias lawv tsis tshua muaj kev tshem tawm thaum kho tau kub (200 degree) {3}
- Anodizing + Electrophoretic txheej:
- Cov tuab ntawm 5005 anodized zaj duab xis tuaj yeem ncav cuag 15-20 μm, thiab hluav taws xob txheej muaj qhov zoo tshaj plaws uniformity.
{{0 {}} Daim Ntawv Thov Kev Sib Tham thiab Cov Mob
1) Tsim Kev Tsim Kho
• 1100: Siv rau sab hauv qab nthab (matte txheej), cia siab rau nws txoj kev xav zoo los txhim kho teeb pom kev zoo.
• 3003: Ru tsev, yuav tsum tau muaj huab cua tsis zoo rau cov ntaub qhwv ntsej muag ntawm cov ntaub qhwv ntsej muag ntawm cov xuab zeb thiab cov plua tshauv
• 5005: Kho kom zoo nkauj sab nrauv ntawm cov tuam tsev ntug dej hiav txwv
2) Tsheb thauj mus los
• 3003: Cov Panels Sab Hauv ntawm cov tsheb ciav hlau siab yog hmoov-coated kom tau raws li cov nplaim taws sib ntsib en45545-2.
• 5005: Panels lub cev (siab zog + Electrophoretic txheej) rau nkoj decks, quartz xuab zeb (epoxy}
3) ntim thiab khoom siv hluav taws xob
• 1100: Radiator Tsev (Thermal txheej + Tus Nqi Tsawg). Cov Khoom Noj Khoom Haus Yog thiab Pass Rda Daim Ntawv Pov Thawj {}}
• 3003: Lithium roj teeb lub tsev siv cov txheej txheej, uas siv mus rau hauv tus account hluav taws xob tiv thaiv thiab cov chaw pw saum toj.
{{0 {}} tus nqi thiab kev lag luam sib
• Cov khoom siv: 1100 <3003 <5005 (Nqe sib txawv yog hais txog {%), tab sis 5005 muaj qis dua lub neej muaj nqi {}}
• Tus nqi them: 5005 muaj cov nqi siab tshaj plaws (vim muaj kev kho mob siab tshaj plaws), thiab 3003 muaj qhov zoo tshaj plaws tag nrho cov nqi tas mus li.
• Hloov: Ib txoj cai ib puag ncig txhawb nqa cov khoom lag luam chromium-dawb pretrecons ua yeeb yam thev naus laus zis thev naus laus zis tau muaj feem ntau; 5005 muaj qhov nce ntxiv nyob rau hauv kev thov rau roj teeb thawv txheej hauv lub zog hluav taws xob tshiab.
5.} Cov lus qhia zoo
1.} alloy 1100: Ntxiv rau kev kho mus rau saum npoo
2.}} alloy alloy 3003: Siv micro-siv micro-olc oxidation thev naus laus zis los txhim kho cov txheej nplaum kom zoo {}}
3.}} alloy 5005: txhim kho chromium-dawb pretreatment txheej txheem kom ua raws li ib puag ncig cov kev cai.
6.} Xaus
• alloy 1100: kev ua tau zoo heev hauv tus nqi qis, high-corrosion zog, tab sis tsis tshua muaj nuj nqi, tab sis kev tiv thaiv tsis zoo, tab sis kev tiv thaiv tsis zoo, tab sis kev tiv thaiv kev siv tshuab, tab sis kev tiv thaiv kev siv tshuab, tab sis kev tiv thaiv kev siv tshuab tsis zoo
• alloy 3003: tshuav nyiaj sib npaug thiab tus nqi ua tau thiab lub zog thiab tsim nyog rau cov khoom lag luam nruab nrab thiab yog ib qho kev tsim qauv ntawm cov khoom lag luam nruab nrab thiab kev tsim cov txheej txheem dav dav.
• alloy 5005: nrog rau kev siv zog ntawm magnesium, tab sis nws yuav tsum tau nruab thawj cov txheej txheem siab, tab sis nws yuav tsum tau nruab nrog cov txheej txheem siab tshaj tawm, tab sis nws yuav tsum tau nruab nrog cov kev ua tau zoo {}}
Yav tom ntej, ib puag ncig phooj ywg pretreatment thev naus laus zis thiab xws li kev xaiv cov khoom lag luam thiab cov khoom siv ntsev ntxiv rau cov ntsiab lus tseem ceeb cov teeb meem . Kev tshawb xyuas no sib txuas ntawm cov khoom siv hla kev xaiv rau kev xaiv ua kom zoo nkauj rau kev siv ua kom zoo rau cov kev siv hluav taws xob.