Motsoako oa Magnesium shoa ho lahlas e ratoa ke likoloi

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Bobebe ba koloi ke ho "nyenyefatsa" koloi, mme motheong oa ho netefatsa ts'ebetso e tsitsitseng le e ntlafalitsoeng, moralo oa ho boloka matla oa likarolo tse fapaneng le ntlafatso e tsoelang pele ea mohlala. Teko e paka hore haeba boima ba koloi eohle bo fokotsoe ka 10%, matla a mafura a ka eketsoa ka 6% ~ 8%; boima ba koloi bo fokotsoe ka 1%, ts'ebeliso ea mafura e ka fokotsoa ka 0.7%; bakeng sa lik'hilograma tse 100 tsa boima ba koloi kaofela, ts'ebeliso ea mafura ka kilomitara tse 100 e ka fokotsoa ka 0.3 ~ 0.6. Tsoha.

Moprofesa Ouyang Ming oa Yunivesithi ea Tsinghua, lebitsong la Komiti ea Tlhahiso ea Leano le Ncha la Nts'etsopele ea Likoloi tsa Matla a Macha, o phatlalalitse litaba tsa 'mapa oa tsela ea ho boloka matla le matla a makoloi a macha. Mehopolo ea nts'etsopele ea mahlale a boima bo bobebe e hlahisitsoeng 'mapeng oa tsela e sebelisoa haholo ka mekhahlelo e meraro. Fokotsa boima ba 'mele selemo le selemo.
Karolo ea pele e tloha ho 2016 ho isa 2020, e fihlelletseng phokotso ea 10% ea boima ba koloi ha e bapisoa le 2015. Tsepamisa maikutlo holima nts'etsopele ea tšepe e nang le matla a mangata le theknoloji e tsoetseng pele ea tšepe e matla, ho kenyeletsoa nts'etsopele ea ts'ebetso ea thepa, mekhoa ea moralo o bobebe, ho theha theknoloji, ts'ebetso ea ho tjheseletsa le mekhoa ea tlhahlobo ea liteko, ho fihlela tšepe e matla haholo lits'ebetsong tsa likoloi, karolo e fetang ea 50%, alloy ea alloy Research ho lesela la tšepe stamp theknoloji le ho itloaetsa 'meleng, ithute theknoloji ea khokahano ea lisebelisoa tse fapaneng.
Mokhahlelo oa bobeli ke ho tloha ka 2021 ho isa ho 2025, ho fihlela phokotso ea 20% ea boima ba koloi ha e bapisoa le 2015. Ka theknoloji ea moloko oa boraro ea likoloi tsa tšepe le aluminium alloy e le mohala o ka sehloohong, e hlokomela ho tsoakoa ha lisebelisoa tse fapaneng joalo ka tšepe le aluminium, le ts'ebeliso e pharalletseng ea 'mele oa aluminium eohle ho hlokomela tlhahiso ea bongata le ts'ebeliso ea indasteri ea likarolo tsa sekoaelo sa aluminium le likarolo tsa aluminium alloy. Eketsa nts'etsopele ea mahlale a tlhahiso bakeng sa likarolo tsa likarolo tsa magnesium le carbon fiber, eketsa karo-karolelano ea kopo ea likarolo tsa magnesium le likarolo tsa carbon fiber, mme bophahamo ba aluminium bakeng sa libaesekele bo fihla ho 350kg.
Mokhahlelo oa boraro ke ho tloha ka 2026 ho isa ho 2030, ho fihlela phokotso ea 35% ea boima ba koloi ha e bapisoa le 2015. Tsepamisa maikutlo holima nts'etsopele ea theknoloji ea likarolo tsa magnesium le carbon fiber, rarolla bothata ba ho nchafatsa motsoako oa magnesium le thepa e kopaneng, hlokomela pharalla- ho tloha ts'ebetsong ea likarolo tse kopanyang tsa khabone ea fiber ea 'mele le ea khabone,' me e phunyeletsa karolo e rarahaneng ea mahlale a morao-rao le mahlale a kopaneng a likarolo tse ngata. Alloy ea magnesium bakeng sa libaesekele e fihla ho 45kg, mme ts'ebeliso ea khalase ea fiber e etsa 5% ea boima ba koloi.
Ho ea ka lipalo-palo, ka 2016, palo ea motsoako oa baesekele ea magnesium e hlahisitsoeng Chaena e ne e le 7.3kg feela, e ntseng e le hole le sepheo sa 45kg bakeng sa motsoako oa baesekele ea magnesium ka 2030. Motsoako oa Magnesium o na le mmaraka o pharaletseng oa lits'ebetso tse bobebe nakong e tlang le e na le bokhoni bo sa lekanyetsoang.
Thepa ea Magnesium alloy le melemo
Low segokanyipalo
Boikarabello ba die-cast magnesium alloy ke 2/3 feela ea aluminium alloy, 1/4 ea tšepe, matla a ikhethileng le ho satalla ho khethehileng ho betere ho feta tšepe le aluminium alloy, e phahameng haholo ho feta li-plastiki tsa boenjineri, kahoo alloy ea magnesium e shoang ke e khabane ka ho fetesisa Boitsebiso bo bobebe bo ka qothisanang lehlokoa le thepa e kaholimo lebaleng la ts'ebeliso.
Ho monya hantle
Ho bohlokoa bakeng sa phokotso ea thothomelo le phokotso ea lerata. Mohlala, maemong a khatello ea maikutlo a 35 MPa, coefficient ea attenuation ea magnesium alloy AZ91D ke 25%, le ea aluminium alloy A380 ke 1% feela. Maemong a khatello ea maikutlo a 100MP, lits'epe tsa tšepe tsa magnesium AZ91D, AM60, le AS41 ke 53%, 72%, le 70%, ka ho latellana, 'me alloy aluminium A380 ke 4% feela.
Phahameng tlhakore botsitso
Ho se tsitse ha tlhakore ea magnesium alloy die castings ka lebaka la liphetoho mochesong le ka nako ho fokotsehile.
Phahameng mogote conductivity
Mocheso oa motlakase oa magnesium alloy (60-70W / m-1 K-1) ke oa bobeli feela ho alloyum alloy (e ka bang 100-70W m-1 K-1), ka hona, mocheso oa mocheso o motle.
E se nang matla a khoheli, e ka sebelisoa bakeng sa ho sirelletsa motlakase.
Ho apara hantle ho hanyetsa
Motsoako oa Magnesium o boetse o na le coefficient e ntle ea damping. Bokhoni ba ho senya bo boholo ho feta ba motsoako oa aluminium le tšepe e entsoeng. E ka sebelisoa bakeng sa matlo ho fokotsa lerata. E ka sebelisoa bakeng sa litulo le mabili ho fokotsa ho thothomela le ho ntlafatsa polokeho le boiketlo ba koloi. Motsoako oa Magnesiamo o boima bo bobebe, o matla ts'ebetsong ea ts'oaetso, o sebetsa hantle ha o lahla ts'ebetso, o na le bokhoni bo phahameng ba tlhahiso le bophelo bo shoang, 'me o tsitsitse ka mokhoa o ts'oanang. Ha e le sesebelisoa sa boenjiniere se bobebe ka ho fetesisa, motsoako oa magnesium ha se thepa e loketseng feela bakeng sa ho lahla likarolo tsa likoloi, empa hape ke leseli le sebetsang ka ho fetisisa la koloi. Hlahisa lisebelisoa.

Boemo ba magnesium motsoako motsoako likoloi shoela'ng foromeletsoeng
Nts'etsopele e bobebe ea likoloi e ekelitse tlhoko ea lisebelisoa tse bobebe tsa motsoako o kang magnesium le aluminium. Ho tloha 1990, magnesium bakeng sa likoloi e ntse e hola ka sekhahla sa kholo ea kholo ea selemo le selemo ea 20%. Li-alloys tsa Magnesium li fetohile tšimo ea bohlokoa nts'etsopele ea mahlale a thepa ea likoloi. Lisebelisoa tsa ho lahla magnesium alloy li loketse haholo-holo ho nchafatsa moruo, ho boloka matla, khabone e tlase le litlhoko tse hloekileng tsa tlhahiso ka lebaka la ts'ebetsong ea tsona le ts'ebetso e tlase ea chipless. Li bohlokoa kholisong ea likoloi ho isa bobebe. Baetsi ba likarolo tse kholo tsa likarolo tsa likoloi ba sebelisitse monyetla oa nts'etsopele mme ba tsetetse tlhahiso le nts'etsopele ea li-castings tsa likoloi tsa magnesium. Ho latela tlhaiso-leseling ea "China Magnesium Alloy Automotive Die Casting Industry Analysis Report", ho 2015, tlhokeho ea indasteri ea likoloi tsa magnesium alloy ea likoloi e fihletse lithane tse 149,000, keketseho ea 23.12%. Hajoale, lik'hamphani tsa likoloi tsa malapeng le tsa kantle ho naha li sebetsa 'meleng (e ka bang 30%), enjene (e ka bang 18%), sistimi ea phetisetso (e ka bang 15%), sistimi ea ho tsamaea (e ka bang 16%), le mabili (e ka bang 10%). 5%) Magnesium e kopanya tšepe kapa likarolo tsa aluminium.
Ka lebaka la ts'ebeliso ea lits'epe tsa tšepe tsa baesekele tse hlahisoang Chaena, matla a mmaraka a indasteri ea ho lahla likoloi ea China ea magnesium a tla fihla ho lithane tse 229,000 ka 2017, 'me matla a mmaraka a tla fihla ho lithane tse 660,000 ka 2022, ka sekhahla sa kholo ea selemo le selemo ea kholo ea 23.5%.
Ts'ebeliso ea lefats'e ea magnesium bakeng sa libaesekele e tlase, mme tlhokeho ea katoloso ea lits'epe tsa tšepe tsa magnesium bakeng sa likoloi e matla. Lisebelisoa tse bobebe joalo ka tšepe e matla haholo, aluminium alloy, le li-plastiki tsa boenjineri li sebelisitsoe haholo likarolong tse fapaneng tsa tlhahiso ea likoloi le likoloi. Li-alloys tsa Magnesium ha lia phatlalatsoa ka bongata le ho sebelisoa ka mabaka a fapaneng. Li-alloys tsa Magnesium li sebelisoa haholo liphaneleng tsa lisebelisoa. Bracket, bracket bracket, hood, wheel wheel, bracket ea setulo, phanele ea mamati a kahare, matlo a phetisetso, jj Hajoale, koloi e ngoe le e ngoe Amerika Leboea e sebelisa 3.8kg ea magnesium alloy, 9.3kg Japane, le 14kg ea magnesium alloy bakeng sa koloi ka 'ngoe ho European PASSAT le Audi A4, ha ts'ebeliso e tloaelehileng ea makoloi a China e le 1.5kg feela ka koloi.

Ts'ebeliso ea motsoako oa magnesium ho bobebe ba likoloi

Sebopeho sa kahare ea koloi

Le ha lits'epe tse kopantsoeng ka magnesium li na le ts'enyeho e mpe ea ts'enyeho, ts'ireletso ea ts'enyeho ha se taba e kholo bakeng sa kaho ea kahare ea likoloi. Ka hona, lits'epe tse kopantsoeng tsa magnesium li 'nile tsa sebelisoa haholo ho aha likoloi kahare, haholo-holo liphaneleng tsa lisebelisoa le litsamaisong tsa tsamaiso. Ho tlalehiloe hore pilara ea pele ea lisebelisoa tsa sesebelisoa sa magnesium e ile ea bolaoa ke General Motors ka 1961, ea boloka lik'hilograma tse 4 tsa thepa ha e bapisoa le likarolo tse tšoanang tse hlahisoang ke zinc alloy die-cast. Lilemong tse leshome tse fetileng, tšebeliso ea litšiea tsa lisebelisoa tsa tšepe ea magnesium e entse tsoelo-pele e kholo.
Ts'ebeliso ea motsoako oa magnesium setulong e qalile Jeremane ka li-1990, haholo-holo ho SL Roadster e sebelisa sebopeho sa lebanta la litulo tse tharo se entsoeng ka lahla ea magnesium. Joalo ka ts'ebeliso ea motsoako oa magnesium phaneleng ea lisebelisoa, lilemong tsa morao tjena, moralo le tlhahiso ea litulo tse entsoeng ka motsoako oa magnesium li bile le ts'ebetso ea bohlokoa ea ntlafatso. Sebopeho sa setulo se nang le alloy ea magnesium joale se ka ba sesesaane joalo ka 2mm, se fokotsang boima haholo. Le ha ho sebelisoa lisebelisoa tse ling tse kang tšepe e matla, aluminium le thepa e kopaneng, litsebi li hakanya hore lits'epe tse kopantsoeng tsa magnesium li tla fetoha sesebelisoa sa mantlha bakeng sa lisebelisoa tsa litulo tse bobebe ebile li sa bitse chelete e ngata nakong e tlang.

Auto Busang

Li-alloys tsa Magnesium li lekantsoe ts'ebelisong ea 'mele, empa li boetse li sebelisoa ho li-OEM. Ha General Motors e hlahisa C-5 Corvette ka 1997, e ile ea sebelisa sethala sa marulelo se shoeleng ka botlalo sa magnesium alloy. Ntle le moo, motsoako oa magnesium o ne o boetse o sebelisoa marulelong a sokolohang a thata a fetotsoeng le foreimi e kaholimo ea Cadillac XLR Convertible. Teraka ea Ford F -150 le SUV le tsona li sebelisa metako e tlotsitsoeng ea magnesium e le sesepa sa ho chesa mocheso. Europe, Volkswagen le Mercedes-Benz ba etelletse pele ts'ebelisong ea litšepe tse hahelletsoeng ka mabota a magnesium ka liphaneleng tsa 'mele.

cheisi

Hajoale, mabili a motsoako oa magnesium a sebelisitsoeng kapa a sebelisitsoeng likoloi tse ngata tsa litheko tse phahameng kapa likoloi tsa lipapali tse sebetsang hantle. Leha ho le joalo, litšenyehelo tse batlang li phahame haholo le tse ka bang teng tsa ts'enyeho tsa mabili a motsoako oa magnesium li thibela ts'ebeliso ea tsona likoloing tse phahameng tsa tlhahiso.
Nakong e tlang, tlhahiso ea lisebelisoa tsa cheisi e bobebe, e theko e tlase, joalo ka li-hubs, ho fanyeha enjene le taolo ea matsoho, e tla itšetleha haholo ka ts'ebetso ea ho lahla motsoako oa magnesium, mme e se e entsoe ka mabili a aluminium alloy le likarolo tsa chassis. Ts'ebetso ea ho betsa e ka sebelisoa ka katleho ho lits'epe tsa tšepe tsa magnesium kamora phetoho. Ntle le moo, nts'etsopele ea likarolo tse theko e tlase, tse sa keneleng ts'enyeho le lits'epe tse ncha tsa magnesium tse nang le mokhathala le matla a matla li tla potlakisa ts'ebeliso ea lits'epe tsa tšepe tsa magnesium chassis.

Mahlanya

Boholo ba li-castings tsa powertrain, joalo ka enjene, hlooho ea silindara, nyeoe ea phetisetso, pane ea oli, jj. Li entsoe ka motsoako oa aluminium. Hajoale, literaka tsa literaka le li-SUV tse hlahisitsoeng Amerika Leboea e bile phetisetso ea motsoako oa magnesium, 'me phetisetso ea Volkswagen le Audi's magnesium alloy manual le tsona li hlahisoa ka bongata Europe le China.
Hajoale, tsoelo-pele e atlehileng e entsoe ka liteko tsa dynamometer ho li-prototypes tsa enjene e ntlafalitsoeng, ho bolelang hore lits'epe tse ling tsa magnesium li tla sebelisoa lits'ebetsong tsa motlakase nakong e tlang.
Liphephetso tse kholo ho nts'etsopele le ts'ebeliso ea lits'epe tsa tšepe tsa magnesium
Ho fokola ha kutu, litšenyehelo tse phahameng le sekhahla se phahameng sa litšila ke litšitiso tse tsebahalang ho lits'epe tsa tšepe tsa magnesium.
Li-alloys tsa Magnesiamo ha li na mathata a theko e phahameng ea ho lahla, sekhahla se phahameng le likotsi tse patiloeng tsa tlhahiso e bolokehileng. Du Fangci, moeletsi oa Mokhatlo oa China oa Baetsi ba Likoloi, o itse magnesium ke ntho e sebetsang haholo mme ts'ireletso ea eona ea ts'enyeho e mpe haholo. Bokhoni ba China botekgeniki ho haneleng ts'enyeho ea likarolo tsa magnesium alloy bo mpefetse. Ntle le moo, magnesium e sekametse ho cha le ho phatloha nakong ea ts'ebetso, mme ho na le mathata a tlhahiso ea polokeho. Libaka tsa tlhahiso li hloka taolo e thata ho netefatsa tlhahiso e bolokehileng.
Ka matsapa a ho fallisoa ha litoropo, matla a ntse a fokola le ho feta, tšilafalo ea tikoloho e ntse e mpefala le ho feta, le paballo ea matla le phokotso ea mesi e fetohile liketsahalo tsa bohlokoa mabapi le moruo oa naha le bophelo ba batho. Likoloi tsa setso le likoloi tse ncha tse ncha tsa matla li ela hloko moralo o bobebe oa 'mele ho fihlela poloko ea matla le ts'ireletso ea tikoloho.
Lisebelisoa tsa Magnesium bakeng sa likoloi lia eketseha, mme ts'ebetso ea ho lahla ea magnesium alloy e ntse e hola le ho feta, mme mefuta ea ts'ebeliso e ntse e hola. Likarolo tse kholo tsa likarolo tsa likoloi tsa magnesium alloy tse kholo li tla khothaletsa ts'ebetso ea boima ba koloi.

Kopanya le sengoloa sena: Na li-castings tsa magnesium alloy li ka tsebahala ho bobebe ba likoloi?

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