Ho thatafatsa aluminium ke theknoloji ea bohlokoa ea ho ntlafatsa boleng ba lits'ebetso tsa eona tsa indasteri, e akaretsang molao-motheo, ts'ebetso, tlhahlobo le lintlha tse ling tsa mantlha. Sengoliloeng sena se tsepamisitse maikutlo molemong oa ho thatafala ha lilemo, ho arola lintlha tsa bohlokoa tsa ts'ebetso e sebetsang, 'me se thusa ho tseba ka nepo litsebo tse matlafatsang tsa profiles tsa aluminium.
"Hardening Aluminium" e Bolela'ng?
Ho thatafatsa aluminium, ho tsejoang hape e le ho thatafatsa lilemo kapa ho thatafatsa pula, ke ts'ebetso ea mantlha ea ho matlafatsa matla le ho tiea ha aluminium le lisebelisoa tsa aluminium ka ho phekola mocheso. Molao-motheo oa mantlha ke hore aluminium e futhumatsoa ho mocheso o itseng e le hore likarolo tsa motsoako li qhibilihe ka ho feletseng ebe li pholile ka potlako ho etsa tharollo e tiileng ea supersaturated. Microstructure ena e sa tsitsang e lebisa ho pula e fokolang ea likaroloana tse nyenyane tse nang le metsi, tse thibelang ka katleho ho sisinyeha ha tšepe ka har'a tšepe, ka hona ho ntlafatsa haholo thepa ea mochine oa profil ntle le ho fetola sebōpeho sa eona. Ts'ebetso ena e sebelisoa haholo indastering ea kajeno, haholo-holo maemong a hlokang ho leka-lekana pakeng tsa matla le bobebe. Ho fapana le mekhoa e meng e thata, ho thatafatsa lilemo ho ka laola ka nepo thepa ea aluminium 'me ho na le botsitso bo phahameng ba boemo nakong ea ts'ebetso, ho etsa hore e be tšehetso ea bohlokoa ea theknoloji bakeng sa libaka tsa sefofane, likoloi le tse ling tse phahameng.
Melemo ea Bohlokoa ea Aluminium e thatafatsang lilemo
Ho thatafatsa lilemo ho tlisa palo e kholo ea ts'ebetso ho liprofaele tsa aluminium, ho li fa melemo e ke keng ea nkeloa sebaka maemong a fapaneng a ts'ebeliso. Ea pele, thematla le thatafaloboemo ba aluminium bo ntlafalitsoe haholo. Ka ts'ebetso e matlafatsang ea likaroloana tsa karolo ea precipitated, matla a tsitsipano le ho thatafala ha li-profiles tsa aluminium li ka fihla makhetlo a 'maloa ho feta a naha e sa phekoloeng, ha li ntse li boloka boima bo tlaase, kahoo li hlokomela tlhoko ea mantlha ea "leseli le matla". Mohaho o ntlafalitsoeng oa lijo-thollo ke ntho e 'ngoe e totobatsang, taolo e tiileng ea liparamente tsa ts'ebetso e ka theha kabo e ts'oanang ea karolo e ntle ea precipitated, e le hore.thepa ea mechine ea aluminium e tsitsitse haholoanyane, ho qoba ho hloleha ho bakoang ke lintlha tse fokolang tsa sebaka seo. Mabapi leho apara ho hanyetsa le ho hanyetsa ho bola, ho thatafala ha aluminium holim'a metsi ho matlafatsoa ho thibela tahlehelo ea likhohlano, 'me tse ling tsa li-alloys li phekoloa ho matlafatsa ts'oaetso ea kutu, e loketseng ka ho khetheha bakeng sa libaka tse thata tse kang tsa leoatle le ka ntle. Botsitso ba dimensional e boetse e na le monyetla o hlahelletseng oa ho thatafala ha lilemo, deformation ea kalafo ea mocheso e nyane haholo, e ka fihlela litlhoko tsa ho nepahala ha likarolo tse nepahetseng. Ho phaella moo, ka ho fetola mocheso oa botsofali le nako, thepa ea mechine ea aluminium e ka fetoha ka mokhoa o feto-fetohang ho fumana tekanyo e ntle ka ho fetisisa pakeng tsa matla, boima, ductility, 'me ha e bapisoa le mekhoa e meng e matlafatsang, ho thatafala ha lilemo ho na le litšenyehelo tse ngata ebile ho loketse bakeng sa tlhahiso e kholo ea indasteri.
Mefuta e fapaneng ea Mocheso oa AluminiumKalafo
Annealing
Annealing ke e 'ngoe ea mekhoa ea motheo ea phekolo ea mocheso oa aluminium,' me e sebelisetsoa ho felisa ho thatafala ha mosebetsi ho hlahang nakong ea ho sebetsa ha serame, ho qhekella le mekhoa e meng. Mokhoa ona o kenyelletsa ho futhumatsa aluminium ho mocheso oa 570 ° F ho 770 ° F, ho tšoara metsotso e 30 ho isa ho lihora tse 3 ho itšetlehile ka boholo ba profil le motsoako oa motsoako, ebe o pholile butle ho mocheso oa kamore. Ts'ebetso ena e khutlisetsa libaka tse thellang ka har'a aluminium, e lokolla likhatello tsa ka hare tse bokelletsoeng, 'me e tsitsisa sebopeho sa lijo-thollo hape. The ductility ea annealed aluminium e eketsehile haholo, ho etsa hore ho be bonolo ho etsa mekhoa e latelang ea ho khumama, ho hatakela, le mekhoa e meng ea ho etsa, hammoho le ho lokisa liphoso tsa warpage tse hlahang nakong ea ho lahla le ho thibela ho phunyeha nakong ea tšebeliso. Ka bobeli li-alloys tse phekolehang mocheso le tse sa phekoleheng mocheso li ka ts'oaroa ho ntlafatsa ts'ebetso.
Tharollo MochesoTreatmentProcess
SPhekolo ea mocheso oa aluminium ke mohato oa bohlokoa pele ho ho thatafala ha lilemo, 'me sepheo sa eona sa mantlha ke ho qhaqha ka botlalo likarolo tsa alloying ka har'a aluminium ho etsa tharollo e tiileng ea mohato o le mong oa homogeneous. Ts'ebetso ena e kenyelletsa ho futhumatsa aluminium ho 825 ° F-1050 ° F (hanyenyane ka tlase ho ntlha ea ho qhibiliha ea alloy), ka nako ea ho tšoara e lokisoang ho ea ka boholo ba karolo, ho tloha metsotso e ka bang 10 bakeng sa likarolo tse nyenyane ho fihlela lihora tse 12 bakeng sa likarolo tse kholo. Ka mor'a ho futhumatsa, aluminium e tima ka potlako, hangata ka metsing kapa ka tharollo ea polymer. Ho tima metsi ho potlakile mme ho thibela pula ea pele ea lisebelisoa tsa alloying ho fihlela moo ho ka khonehang, ho netefatsa tharollo e tiileng ea supersaturated;ha polymer quenching e loketse haholoanyane bakeng sa libopeho tse rarahaneng kapa li-profiles tse nang le marako a tšesaane, ho fokotsa khatello ea ka hare e hlahisoang nakong ea ho pholile le ho fokotsa kotsi ea ho senya le ho senyeha. Ka mor'a phekolo e tiileng ea tharollo, aluminium e boemong bo bonolo, e leng ho nolofatsang mochine o latelang le ho e lokisetsa bakeng sa ho thatafatsa lilemo tsa ho qetela.
Homogenizing
Homogenizing e sebelisoa haholo-holo bakeng sa ho lahlela li-profiles tsa aluminium ho rarolla bothata ba karohano ea metsoako e etsahalang nakong ea ho lahla. Nakong ea ho pholisa, karolo e ka ntle ea aluminium e tiisa pele ho theha lijo-thollo tse hloekileng tsa aluminium, ha likarolo tsa motsoako tse nang le lintlha tse phahameng tsa ho qhibiliha li tla bokana bohareng, e leng se etsang hore ho be le thepa e sa lekaneng ea ka hare le ea ka ntle ea profil le ho ama ts'ebetso le ts'ebeliso e latelang. Phekolo ea Homogenization e etsoa ka ho futhumatsa aluminium e lahliloeng ho 900 ° F-1000 ° F, ho e tšoara ka nako e itseng ho lumella lisebelisoa tsa motsoako ho hasana ka ho feletseng le ho finyella kabo e tšoanang ea likarolo, ebe butle-butle e pholile ho lokisa boemo bona. Ka mor'a ho phekoloa, lisebelisoa tse akaretsang tsa aluminium ea cast li atisa ho tsitsa, li etsa hore ho se ke ha e-ba thata ho li sebetsa, le ho thibela ka katleho ho hlōleha ha ho bopa kapa ho hlōleha ha moralo nakong ea ts'ebeliso ka lebaka la ho se tšoane ha metsoako ea sebaka.
Ho tsofala
Phekolo ea botsofali ke sehokelo sa mantlha sa ho thatafala ha aluminium, se arotsoe ka botsofali ba tlhaho le botsofali ba maiketsetso ka litsela tse peli, moelelo ke ho tlohella tharollo e tiileng ea supersaturated kamora ho fola ha likaroloana tse tšoanang tsa phallo ea pula. Botsofali ba tlhaho ha bo hloke ho futhumatsa ho eketsehileng, aluminium e tingoeng e ka behoa sebakeng sa mocheso oa kamore, boholo ba phello e thata e phethoa ka hare ho lihora tse 24, ho tsitsa ka ho feletseng ho ka ntlafatsa haholo matla le boima. Mokhoa ona o loketse maemo a sa hlokeng potoloho e phahameng ea tlhahiso le litlhoko tsa ts'ebetso tse batlang li le bonolo, empa hoa lokela ho hlokomeloa hore mokhoa oa ho bōpa o lokela ho etsoa kapele kamoo ho ka khonehang ka mor'a hore ts'ebetso ea botsofali e phethoe ho qoba boima bo feteletseng bo amang ts'ebetso. Botsofali ba maiketsetso (hape bo tsejoa e le ho thatafala ha pula) ho potlakisa pula ea mokhahlelo oa pula ka ho futhumatsa ka mafolofolo, ho futhumatsa aluminiamo ho 240°F-460°F, e tšoarella lihora tse 6-24, ebe e futhumala. Mokhoa ona o sebetsa hantle ebile o nepahetse ho laola thepa, e lumellang aluminium hore e finyelle maemo a phahameng a matla bakeng sa lits'ebetso tse phahameng moo ho thata ho leng bohlokoa. Litekanyetso tsa botsofali ba maiketsetso lia fapanahaholo ho tloha ho alloy ho ea ho alloy mme e hloka mocheso o tiileng le li-profiles tsa nako tse ipapisitseng le thepa e itseng.
Ho utloisisa Likhetho tsa Mohatla oa Aluminium le Mefuta e Tloaelehileng
Li-extrusions tsa aluminium li na le khoutu ea boemo ba hyphenated e kopantsoeng le nomoro ea motheo ea alloy, mohlala, "-T73" ho 7075-T73 ke khoutu ea boemo. Li-alloys tsa aluminium li na le litlhaloso tse 'nè tsa maemo a motheo, -F (e entsoeng ka mochine), -O (annealed), -H (e thatafalitsoe), le -T (e phekoleha mocheso). Lebitso la bohlano, - W, le sebelisetsoa ho hlalosa boemo bo tingoeng ka mor'a phekolo ea mocheso oa tharollo le pele botsofali ba maiketsetso kapa botsofali ba kamore. Tse latelang ke litlhaloso tse tobileng tsa mofuta o mong le o mong oa boemo: H111: E sebetsa ho lihlahisoa tse nang le khatello e thata ka tlase ho litlhoko tsaboemo ba H11 bo laoloang. H112: E sebetsa ho lihlahisoa tseo ka tlhaho li fumaneng boemo bo itseng nakong ea ho bōptjoa (ha ho na taolo e khethehileng ea ho thatafatsa kapa phekolo ea mocheso), empa e hlalositse meeli ea thepa ea mochine. Likhoutu tse latelang tsa maemo a H-Series li sebelisoa feela bakeng sa li-alloys tse holofetseng tsa aluminium tse nang le magnesium e fetang 4%: H311: Bakeng sa lihlahisoa tse nang le khatello e thata ka tlase ho litlhoko tsa boemo bo laoloang ba H31. T1: Ka tlhaho o tsofetse ho isa boemong bo tsitsitseng ka mor'a ho pholile ka mokhoa o phahameng oa ho theha mocheso. T2: Boemo bo kenyelletsoeng (bo sebetsang ho lihlahisoa tse lahliloeng feela). T3: Ho sebetsa ka serame ka mor'a phekolo ea mocheso oa tharollo, e sebetsang ho lihlahisoa moo matla a matlafatsoang ke ho sebetsa ha serame, kapa moo karolo ea ho sebetsa ha serame mosebetsing oa ho lekanya le ho otlolla e kenyelelitsoe ho nahanoa ka meeli ea thepa ea mechine. T4: tharollo e tiileng mocheso kalafo ka mor'a botsofali ba tlhaho ho boemo ba ha e le hantle e tsitsitseng, e sebetsang ho e tiileng tharollo mocheso mocheso ntle le ho sebetsa batang, kapa a batang a sebetsa ka tshebetso ya ho leveling, ho otloloha, karolo ea ho sebetsa batang ha e kenyelelitsoe thepa ea mochine moeli boleng ba ho nahanela sehlahisoa. T5: Ka mor'a ho pholile ka mokhoa o phahameng oa mocheso oa mocheso, phekolo ea botsofali ea maiketsetso. T6: Tharollo phekolo ea mocheso e lateloa ke botsofali ba maiketsetso, meeli ea thepa ea mechine ha e amehe ke ho sebetsa ha serame, boholo ba li-alloys sebakeng sa - W mmuso le - T4 boemo bo ka fihla - boemo ba T6 ka mor'a botsofali ba maiketsetso. T7: Phekolo ea mocheso oa tharollo e lateloang ke botsitso, e loketseng lihlahisoa tse tsitsitseng ho feta tekanyo ea matla a maholo ho finyella taolo ea kholo ea dimensional le taolo e setseng ea khatello ea kelello. T8: Tharollo e tiileng ea phekolo ea mocheso e lateloa ke ho sebetsa ho batang ebe joale botsofali ba maiketsetso, bakeng sa lihlahisoa moo matla a ekelitsoeng ke ho sebetsa ha serame kapa moo karolo ea ho sebetsa ha serame ka mokhoa oa ho lekanya le ho otlolla e hlokometsoe ha ho nahanoa ka meeli ea thepa ea mechine.
Lintlha tse Amang Bothata ba Aluminium
Alloying Element Content
Lintho tsa alloying ke lintlha tsa motheo tse khethollang ho thatafala ha li-profiles tsa aluminium, 'me karo-karolelano ea likarolo tse fapaneng e ama ka ho toba phello e thata. Ka mohlala, 7075 aluminium motsoako o na le 5.1% -6.1% zinki, 1.2% -2.0% koporo le 2.1% -2.9% magnesium, boima bo phahameng haholo ho feta 6061 aluminium motsoako, ha 6061 aluminium motsoako o nang le magnesium (1.0% -0%) le silicon e kholo (1.0% -0%). likarolo tsa alloying, ho thatafala ho batla ho le tlase, empa ka weldability e ntle le ts'ebetso. Zinc, koporo le magnesium ke lintho tsa mantlha tsa ho matlafatsa ho tiea ha aluminium, 'me litaba tsa tsona li hloka ho laoloa ka nepo ho latela litlhoko tsa kopo: litaba tse ngata tsa alloying li loketse ho lelekisa matla a ho qetela a boemo, athe tekanyo e leka-lekaneng e ka ela hloko matla le ts'ebetso ea ts'ebetso, ho fihlela litlhoko tsa indasteri e akaretsang.
MochesoTreatmentPli-arameter
Ts'ebetso ea kalafo ea mocheso ke mokhoa oa mantlha oa ho laola ho thatafala ha li-profiles tsa aluminium, mme ho kheloha ha paramente ka 'ngoe ho tla ama ka kotloloho ho thatafala ha ho qetela. Mocheso le ho tšoara nako ea phekolo e tiileng ea tharollo e hloka ho etsa bonnete ba hore lisebelisoa tsa motsoako li qhibiliha ka ho feletseng, mocheso o sa lekaneng kapa nako ea ho tšoara e khutšoanyane haholo e tla lebisa ho senyeha ho sa lekaneng, phello e latelang ea ho thatafatsa ea botsofali e fokotsehile haholo; quenching lebelo etsa qeto ea botsitso ba tharollo e tiileng ea supersaturated, ho pholile butle ho tla etsa hore likarolo tsa motsoako li fokotsehe esale pele, ho fokotsa matla a thata. Botsofali ba maiketsetso ka mocheso o phahameng haholo kapa nako e telele haholo ho tla fokotsa boima; mocheso o tlase haholo kapa nako ha ea lekana ho thatafala ha se ho fihlela maemo. Mocheso le mongobo oa tikoloho ea tlhaho ea botsofali le tsona li tla ama sekhahla sa ho thatafala le boima ba ho qetela, le storag.tikoloho e hloka ho laoloa.
Boemo ba tlhahiso le bo felile
Mokhoa oa ho etsa tlhahiso le boemo ba ho qetela ba aluminium bo ama ho thatafala. Aluminium e hlahisoang ke ho hatella kapa ho lahla hangata e tlase ka thata; aluminium e sebetsang e batang e thata haholoanyane ka ho thatafatsa mosebetsi. Boemo ba holim'a sehlahisoa se felileng bo ama liphello tsa liteko tsa boima, mohlala. makhapetla a oxidized, mengoapo le oli li ka baka khopamiso ea tlhahlobo, athe sebaka se boreleli se bonahatsa ho thatafala ha 'nete. Tatelano ea machining e latelang le eona ke ea bohlokoa. Ho sebetsa ka mokhoa o pharaletseng ka mor'a ho thatafala ka lilemo ho ka 'na ha fella ka tahlehelo ea boima ka lebaka la ho lokolloa ha khatello ea kelello ka hare.
Liphoso Tse Tloaelehileng Ha U Thata Aluminium
Deformation le Hardening Cracking Mathata
Ho thatafala ha profiles tsa aluminium hangata ho fella ka ho sotha le ho phunyeha ka lebaka lapholiso e sa lekaneng le khatello ea ka hare. Likhutlo tse bohale tse ka hare, mefuta e fapaneng ea botenya, marako a tšesaane le libopeho tsa asymmetric li atisa ho ba le khatello ea kelello 'me li eketsa kotsi ea ho tima ho phatloha. E ka rarolloa ho tsoa ho moralo le likarolo tsa ts'ebetso. Moqapi o lokela ho ba likhutlo tse chitja ho qoba likhutlo tse bohale le liphetoho tse hlabang tsa botenya; ts'ebetso e hloka ho khethoa ho latela mokhoa oa ho tima profil, likarolo tse rarahaneng kapa tse tšesaane tse nang le marako li ka khethoa tharollo ea polymer ho fapana le metsi a hloekileng. Ka nako e ts'oanang, ts'ebeliso ea li-jigs le lisebelisoa tsa ho laola ho beoa le tataiso ea ho pholisa ho ka fokotsa deformation.
E sa lekanengHbotsofali (botsofali bo tlase) leOho tsofalaPmathata
Ho thatafala ho tlase ho bakoa ke ho tsofala ho tlase, ho ka bakoang ke mocheso o tlase haholo oa botsofali, nako e sa lekaneng ea ho ts'oara, kapa kalafo e sa lekaneng ea tharollo, e bakang likarolo tse fokolang haholo tsa alloying. Ho phaella moo, haeba ho tima ho sala nako e telele haholo pele botsofali ba maiketsetso bo tsofala, botsofali ba tlhaho bo tla etsahala pejana, bo fokolisa phello e matlafatsang, e leng se ka 'nang sa fella ka boima bo sa tloaelehang. Ho tsofala ho feta tekano ke ka lebaka la mocheso o phahameng haholo kapa nako e telele haholo, e leng se fellang ka hore likaroloana tsa mekhahlelo e fokotsehileng li hōle, sebaka se ntseng se eketseha, phello e matlafatsang e fokotsehile, e le hore boima ba thepa ea aluminium bo fokotsehe, boima bo phahama. Senotlolo sa ho fumana hore na ho na le botsofali bo tlase kapa bo feteletseng ka ho tiea ho thata: sehlopha sohle sa boima bo tlaase ke bothata ba parameter, ho se lekane ha sebaka ke ho aroloa ho sa tšoaneng ha mocheso oa sebōpi kapa likarolo ka lebaka la ho teteana haholo. Ho qoba mathata a joalo ho hlokahala hore ka tieo calibrate mocheso mocheso thepa ho etsa bonnete ba hore mocheso taolo ho nepahala ka hare ho mefuta e fapaneng ya ± 5-10 ° C; ho ea ka sehlopha sa alloy le boholo ba likarolo ho hlahisa lekhalo le nepahetseng la botsofali, ho qoba ho fetola liparamente ka bofofu; likarolo tse tingoeng li lokela ho fetisetsoa ts'ebetsong ea botsofali ba maiketsetso kapele kamoo ho ka khonehang, ka kakaretso ha ea lokela ho ba lihora tse fetang 4, ho thibela botsofali ba tlhaho bo feteletseng.
Tlhokomelo bakeng saSecondaryHjaTreatment
Ha phello e thata ea aluminium e sa finyelle maemo, maemong a mang e ka lokisoa ke phekolo ea bobeli ea mocheso, empa ho hlokahala ho latela litlhaloso tse thata. Kalafo ea bobeli ea mocheso hangata e hloka phekolo ea tharollo hape le botsofali, empa haeba aluminium e fetile ka mekhoa e mengata ea phekolo ea mocheso, e ka lebisa ho boholo ba lijo-thollo tse mahoashe, tse amang tshebetso ka kakaretso. Second tiileng tharollo mocheso e lokela ho ba hanyenyane ka tlaase ho moo ka lekhetlo la pele, ho qoba overheating etella pele lijo-thollo kgolo kapa ho qhibiliha ha lijo-thollo moeli; quenching lokela ho lefa a lebisa tlhokomelo e eketsehileng ho tsidifatso ho ts'oana, hobane ho thatafatsa qalong ea khatello ea kelello ka hare ke e rarahaneng le ho le bonolo ho cracking bobeli. Ka mor'a phekolo ea bobeli ea mocheso, boima le ts'ebetso li lokela ho hlahlojoa hape ho netefatsa ho lumellana le litlhoko.
Mokhoa oa ho Lekola Bothata ba Aluminium
Rockwell Hardness Testing
Teko ea boima ba Rockwell e bonolo ho sebetsa ebile e sebetsa hantle litekong tsa boima ba aluminium, e loketseng taolo ea boleng ba batch. Ho thatafala ho khethoa ke botebo ba indentation ea indenter tlas'a mojaro, 'me boleng ba boima bo baloa ka ho bala phapang ea botebo ka mor'a ho jara pele le mojaro o moholo. Teko ea boima ba boemo ba aluminium hangata e amohela sekala sa HRB, e sebelisa 100kgf mojaro le indenter ea bolo ea tšepe, e loketseng aluminium e thata e tlase; aluminium e matlafalitsoeng e phahameng e ka khetha sekala se seng sa Rockwell. Mokhoa ona o potlakile, o bala ka ho toba, o indentation e nyane, le tšenyo e nyane ho profil.
BrinellHardnessTest
Teko ea boima ba Brinell e nka bolo e kholo ea tšepe e bophara bo boholo le mojaro o moholo, o loketseng ho bona liprofaele tsa aluminium tse mahoashe kapa likarolo tse kholo tsa aluminium. E etsa hore ho be le indentation e kholo holim'a metsi, e lekanya phapang pakeng tsa thepa le boholo ba lijo-thollo, 'me e fumana boleng ba boima ba moemeli. Teko e hloka ho lekanya bophara ba indentation le ho bala boleng ba HB, e leng se ka qobang kahlolo e fosahetseng ea libaka tse thata le tse bonolo, 'me se bonahatse ho thatafala ha kakaretso, empa indentation e kholo 'me ha ea lokela lihlahisoa tse felileng ka nepo.
VickersHardnessTest
Teko ea boima ba Vickers e sebetsa ka mokhoa o fapaneng 'me e khona ho lekanya boima bo fapaneng ba profil ea aluminium. E sebelisa indenter ea tetragonal ea daemane, e sebelisa mojaro o feto-fetohang, 'me e bala ho thatafala ho ea ka diagonal ea indentation. Mefuta e mengata ea mefuta e mengata, tlhahlobo ea microscopic le macroscopic, e khonang ho lekanya liphahlo, libaka tse nyenyane le ho thatafala ka kakaretso, ho nepahala ho phahameng, ho loketseng lipatlisiso tsa saense le maemo a mang a hlokang, empa ho hloka basebetsi ba khethehileng ho sebetsa le ho hlahloba.
Knoop Hardness Test
Teko ea ho thatafala ha Knoop e sebelisa indenter e bōpehileng joaloka daemane ho etsa indentation e tšesaane, 'me e bala ho thatafala ka ho metha diagonal e telele. Moroalo oa eona oa 10-1000 gf o loketse ho hlahloba lisebelisoa tse brittle, aluminium e tšesaane, liphahlo le libaka tse haufi. The indentation e sa tebang, e telele e thibela ho phunyeha ha mohlala 'me e loketse ka ho khetheha bakeng sa aluminium e tšesaane kapa e entsoeng ka holimo. Bakeng sa aluminium ea anisotropic, ho lokisa tataiso ea tlhahlobo ho bonts'a phapang ea boima mme ho fana ka data e felletseng ea ts'ebetso.
Teko ea Boima ba Richter
Teko ea boima ba Richter ke mokhoa o nkehang habobebe, oa ho hlahloba setšeng o hlahlobang ho thatafala ha aluminium ka ho ama bolo ea tungsten carbide khahlano le bokaholimo le.ho lekanya sekhahla sa ho khutla hape, ka litekanyetso tse phahameng tse bakang boima bo boholo. Teko ea boima ba Richter e ea tenyetseha, e potlakile, 'me ha e felle ka mehlala, e etsa hore e tšoanelehe bakeng sa ho etsa sampole lisebelisoa tse kholo tsa mosebetsi. Leha ho le joalo, ho nepahala ho tlase ebile ho ka hlaseloa ke maemo a holim'a metsi, kahoo hangata e sebelisoa bakeng sa tlhahlobo ea pele, ha likarolo tsa bohlokoa li ntse li hloka ho kopanngoa le mekhoa e meng e nepahetseng.
LebopoHardnessTest
Teko ea ho thatafala ha lebopo hangata e sebelisetsoa ho lekola li-elastomers le li-plastiki tse bonolo, 'me ha e sebelisoe hangata litekong tsa profil ea aluminium, empa e ka sebelisoa ho lekola ho thatafala ha bokaholimo ba metsi.aluminiumli-alloys kapa aluminium matrix composite. Molao-motheo ke ho lekanya botebo ba ho indentation ka ho sebelisa indenter e tletseng selemo, e nang le litekanyo tse fapaneng tse lumellanang le mefuta e sa tšoaneng ea boima, e.g. Shore A bakeng sa liraba tse bonolo le Shore D bakeng sa lipolasetiki tse thata. Tekong ea aluminium, tlhahlobo ea boima ba Shore e sebetsa feela maemong a ikhethileng. Haeba o hloka ho hlahloba boima ba liphahlo tse bonolo holim'a aluminium kapa ho hlahloba li-profiles tse hloekileng tsa aluminium tse nang le boima bo tlaase haholo, u lokela ho ela hloko ho khetha tekanyo e nepahetseng ho qoba ho sotha ha liphello tsa liteko.
Qetello
Ho thatafala ha li-profiles tsa aluminium ho hloka ho leka-lekana pakeng tsa mekhahlelo ea ts'ebetso, thepa ea alloy le litekanyetso tsa tlhahlobo ho qoba maikutlo a fosahetseng a tloaelehileng. Tšebeliso ea saense ea phekolo ea mocheso le mekhoa ea ho hlahloba e ka eketsa ts'ebetso ea aluminium le ho finyella litlhoko tse phahameng tsa masimo a mangata.
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