Likarolo tsa aluminium
Aluminium alloy ke motsoako oo aluminium (AL) e leng tšepe e ka sehloohong.
Lintho tse tloaelehileng tsa alloy ke koporo, magnesium, manganeness, silicon le zinki efe kapa efe.
Ho na le likarolo tse peli tsa mantlha, e leng li-alloys le li-alloys tse entsoeng, tseo ka bobeli li arotsoeng ka mekhahlelo ea mocheso o phekolehang le o sa phekoleheng mocheso.
Aluminium alloy e tloaelehile haholo bophelong ba rona, mamati a rona le lifensetere, bethe, lisebelisoa tsa ho pheha, tableware, libaesekele, likoloi joalo-joalo E nang le motsoako oa aluminium.
Tloaelehileng aluminium alloy ts'ebelisong ea bophelo.
Li-alloys tsa aluminium tse nang le mefuta e mengata ea thepa li tsebisa boenjiniere ka meralo.
Ho khetha motsoako o nepahetseng bakeng sa ts'ebeliso e fanoeng ho kenyelletsa ho nahanoa ka matla a eona a tsitsitseng, ho teteana, ductility, sebopeho, ho sebetsa, ho cheseha le ho hola ha ona.
Aluminium alloy e sebelisoa haholo lifofaneng ka lebaka la matla a phahameng a boima ba 'mele.
Lisebelisoa tsa aluminium hangata li na le modulus e otlolohileng e ka bang 70GPa, e ka bang karolo ea boraro ea modulus e otlolohileng ea mefuta e mengata ea tšepe le lialloys tsa tšepe.
Ka hona, bakeng sa mojaro o fanoeng, karolo kapa yuniti e entsoeng ka motsoako oa aluminium e tla bitsa deformation e kholo ho feta ea tšepe ea boholo bo tšoanang ba sebopeho.
Boleng bo khanyang, matla a phahameng, ho bola, ho hanyetsa, ho theha habonolo, ho cheselletsa.
Li-alloys tse entsoeng haholo ka aluminium li bohlokoa haholo tlhahisong ea sepakapaka ho tloha ha ho qala ho etsoa lifofane tse entsoeng ka letlalo la tšepe.Aluminium magnesium alloys ka bobeli e bobebe ho feta lisebelisoa tse ling tsa aluminium 'me ha e che ho feta motsoako o nang le karolo e phahameng haholo ea magnesium.
Hangata, kutloisiso ea tšepe ho mocheso e boetse e nkoa, esita le mokhoa o tloaelehileng oa workshop o amanang le ho futhumatsa o rarahane ke taba ea hore aluminium, ho fapana le tšepe, e tla qhibiliha ntle le ho qala bofubelu bo khanyang.
Aluminium alloy surfaces e tla boloka ponahalo ea bona e khanyang sebakeng se omeletseng ka lebaka la ho thehoa ha lera le hlakileng, le sireletsang la aluminium oxide.Sebakeng se metsi, galvanic corrosion e ka etsahala ha motsoako oa aluminium o behoa kamanong ea motlakase le lirafshoa tse ling tse nang le matla a ho senya ho feta aluminium.
Lintho tse ka sehloohong tsa alloying ke koporo, silicon, magnesium, zinki, manganese, lisebelisoa tsa bobeli tsa alloying ke nickle, tšepe, titanium, chromium, lithium, joalo-joalo.
Aluminium alloy ke eona e sebelisoang haholo indastering ea lisebelisoa tsa tšepe tse se nang ferrous ho lifofane, sefofane, likoloi, ho etsa mechini, ho tsamaisa thepa, 'me e sebelisitsoe haholo indastering ea lik'hemik'hale.
Aluminium alloy density e tlase, empa matla a phahame.
Li-alloys tse sebelisoang ho etsa die casting joale li entsoe ka motsoako oa aluminium.E na le thepa ea 'mele ea khanya le e ntle ea ho hanyetsa kutu le thepa ea mochine, le ho tsamaisa mocheso o motle.Aluminium alloy e ka aroloa ka lisebelisoa tsa ho sebetsa le tsa ho lahla, 'me e ka aroloa ka mefuta e' meli: motsoako oa aluminium o phehiloeng ka mocheso le lisebelisoa tsa alloy tse sa sebelisetsoeng mocheso linthong tsa ho sebetsa.Die casting aluminium alloy ke thepa ea ho lahla, 'me motsoako oa aluminium o sebelisoang ka kakaretso ha o loketse phekolo ea mocheso hobane o etsoa lihlahisoa ka mokhoa oa ho lahla lefu.
Letoto la silicon ea aluminium
Motsoako o akaretsang oa aluminium, joalo ka ADC1, o sebetsa ho marako a maholo, a mosesaane le libopeho tse rarahaneng.Likahare tsa likarolo tsa silicon tse haufi le ntlha ea eutectic mme li etsa hore metsi a qhibilihantsoeng a be ntle, e na le matla a ho tsitsa, ho hanyetsa kutu, ho tsamaisa mocheso o phahameng, katoloso ea mocheso le karolo e ka tlase ho 2.65g/cm3, joalo-joalo.Leha ho le joalo, ha ho molemo ho ba brittle le brittle, mme anodic oxidation ha e ntle.Haeba maemo a ho lahla a sa tšoanelehe, mokelikeli o qhibilihisitsoeng o lieha.
Aluminium silicon koporo
ADC12 alloy e ka har'a Al-Si alloy add copper alloy element, ke eona e sebelisoang ka ho fetisisa ho fetisisa e sebelisoang ka ho fetisisa ea motsoako oa aluminium ea die casting, bokhoni ba eona bo botle le thepa ea mochine, empa e hanyetsa ho bola.
Letoto la Aluminium-Silicon-Magnesium
ADC3 aluminium alloy e ka har'a Al-Si alloy e eketsang motsoako oa motsoako o joalo oa Mg, Fe, o nang le thepa e ntle ea mochini, ho hanyetsa kutu ho na le bokhoni bo botle, empa ha litaba tsa tšepe li le tlase ho 1% ho khomarela habonolo ka hlobo ea tšepe, motsoako o sebelisoa haholo.Li-alloys tse ling tsa ADC5 le ADC 6, tse tsejoang hape e le li-alloys tsa aluminium-magnesium, li matla ho feta, ha li khone ho pota-pota ebile li entsoe ka mechine, 'me li molemo ka ho fetisisa ka motsoako oa aluminium.Leha ho le joalo, ka lebaka la palo e kholo ea ho tiisa le coefficient ea katoloso ea mocheso, ho lahla ha alloy ha ho molemo.A mokelikeli e boetse e futsanehile, le tšekamelo ea ho khomarela ketsahalo le ho lahleheloa ke metallic luster ka mor'a ho sila, kahoo ho ke ke a loketse bakeng sa kalafo anodic oxidation, le litšila tse ling tse kang tšepe, silicon le tse ling tsohle ama ponahalo ea holim'a metsi.
Linaha tse fapaneng li na le litlotla tse fapaneng bakeng sa motsoako oa aluminium oa die-cast, joalo ka Axxx ke mohlala oa Amerika, ADCxx ke mohlala oa Majapane, LMxx ke mohlala oa Brithani, YLxxx ke mohlala oa Chaena.
Phekolo ea bokaholimo ba likarolo tsa alloy ea aluminium ea die casting
Khatiso ea anodic oxidation.
Ka nako e ts'oanang, e na le bokaholimo bo sebetsang le bo khabisitsoeng, 'me alloy e ngata ea anodized aluminium e ka bang 2-25um.
Ho tšoarella ho hoholo le li-anti-wear alloy castings li na le botenya ba 25-75um.Aluminium alloy oxide layer e ka sebetsoa le ho ntlafatsoa.
Mefuta eohle ea mebala ha e sebetse ha e na le oxidized, kahoo e ka sebelisoa ka mokhoa o sireletsehileng likarolong tse fapaneng tsa lisebelisoa tsa motlakase.
Phosphide/chromium.
Phosphatification ke ntho e sebetsang e se nang tšepe le e tšesaane e etsang lera le lecha holim'a tšepe ka metsoako ea phosphorus.
E sebetsa ho tšepe, alloy ea zinki, alloy ea aluminium le lihlahisoa tse ling, tse ka ntlafatsang ho hanyetsa kutu le ho hanyetsa ho apara.
Hona joale lesela ke lona le hanyetsang ka ho fetisisa filimi ea phetoho ea aluminium, kahoo e ka nkoa e le seaparo se le seng holim'a motsoako oa aluminium.
Motsoako oa microarc oxidation.
Ho sebelisa matla a phahameng a matla likarolong tsa aluminium ho etsa filimi ea ceramic holim'a metsi, ho thatafala ha ho roala le ho hanyetsa abrasion ho phahame haholo, 'me ho hanyetsa kutu ebile ho ikhethile.
Moeli o motle ho feta anode.
Lera la microarc le entsoe ka lihlopha tse tharo:
Lera la pele ke filimi e tšesaane e khomaretsoeng holim'a aluminium, e ka bang 3 ho isa ho 5um.
Lera la bobeli ke karolo e kholo ea lera, e ka bang 150 ho isa ho 250um.Lera le leholo le na le boima bo phahameng 'me porosity e nyenyane' me e teteaneng e phahame haholo.
Lera la boraro ke lera la ho qetela la bokaholimo.Lera lena le batla le hlephile ebile le thata, kahoo hangata le tla sebetsoa le ho tlosoa ho sebelisoa lera le leholo.
Oxidation ea alunina microarc e bapisoa le anodic oxidation.
Tšebeliso ea theknoloji ea microarc oxidation:
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