Pamene zida zodulira, zinyalala zolondola, zida zamagalimoto, zida zamagetsi ndi ntchito zopangira zapamwamba zikupitilira kuyenda mofulumira kwambiri, katundu wokwera komanso moyo wautali wautumiki, zophimba zolimba kwambiri zakhala njira yofunika kwambiri yopangira pamwamba. Zophimba monga AlTiN, AlCrN, TiAlSiN, CrAlN, DLC ndi ta-C sizikugwiritsidwanso ntchito kokha kuti ziwongolere kuuma kwa pamwamba. Zikufunika kwambiri kuti zipereke kuphatikiza kokwanira kwa kukana kuwonongeka, kukana okosijeni, kukangana kochepa, kukhazikika kwa kutentha, kumamatira mwamphamvu komanso magwiridwe antchito okhazikika pansi pa mikhalidwe yovuta yogwirira ntchito.
Komabe, kumbuyo kwa chophimba chilichonse chapamwamba kwambiri, pali zenera lopapatiza komanso losavuta kumva. Ubwino womaliza wa chophimba sudziwika ndi gawo limodzi, koma ndi mgwirizano wolondola wa malo osungira vacuum, kuchuluka kwa plasma, kutentha kwa substrate, mphamvu ya bias, kuyenda kwa mpweya, momwe zinthu zilili, kuchuluka kwa malo osungira, mphamvu ya ma ion ndi kayendedwe ka fixture. Kwa opanga zida zophimba vacuum ndi opereka chithandizo cha kupaka, kumvetsetsa ndi kuwongolera mawindo ofunikira awa ndiye maziko opezera kupanga chophimba chokhazikika, chobwerezabwereza komanso chamakampani.
Zochitika Zamakampani: Kuchokera pa Kuphimba Kokhazikika Mpaka pa Uinjiniya Woyang'ana Pamwamba Wogwira Ntchito
Poyamba kugwiritsa ntchito utoto wolimba, magwiridwe antchito a utoto nthawi zambiri ankayesedwa makamaka ndi kuuma. Kanema wolimba nthawi zambiri ankaonedwa ngati filimu yabwino. Komabe, pamene zochitika zogwiritsidwa ntchito zikuchulukirachulukira, mfundo imodzi yowunikirayi sikokwanira. Podula mwachangu, utotowo uyenera kukana okosijeni ndi kusweka kwa kutentha. Pogwiritsa ntchito nkhungu molondola, uyenera kuchepetsa kukangana ndikuletsa kuwonongeka kwa zomatira. Pogwiritsa ntchito zamagetsi ndi zida zazing'ono, uyenera kusunga kuthwa kwa m'mphepete ndikupewa kupsinjika kwambiri mkati. Pogwiritsira ntchito magalimoto ndi zokongoletsera, kukhazikika kwa utoto, kusalala kwa pamwamba ndi kusinthasintha kwa mtundu wa batch ndizofunikiranso.
Kusintha kumeneku kumatanthauza kuti ukadaulo wopaka utoto wolimba kwambiri walowa mu gawo lokonzedwa bwino. Chopaka utoto sichimangokhala choteteza, komanso cholumikizirana pakati pa substrate ndi malo ogwirira ntchito. Kugwira ntchito kwake kumadalira kapangidwe kake kakang'ono, kapangidwe ka gawo, kupsinjika kotsalira, kulumikizana kwa mawonekedwe ndi mawonekedwe a pamwamba. Chifukwa chake, vuto lalikulu la kapangidwe ka utoto wolimba kwambiri si "momwe mungayikire filimu yolimba", koma "momwe mungayikire kapangidwe koyenera ka filimu mkati mwa zenera lokhazikika komanso lowongolera".
Vuto la Njira: Kulinganiza Pakati pa Kuuma, Kumamatira ndi Kupsinjika Kotsalira
Kupangidwa kwa zokutira zolimba kwambiri kumaphatikizapo kulinganiza kosalekeza pakati pa kuuma, kulimba, kumamatira, ndi kupsinjika kwamkati. Mwachitsanzo, kuwonjezera mphamvu ya bombardment ya ion kumatha kukulitsa kapangidwe ka filimu ndikuwonjezera kuuma, koma mphamvu ya ion yochulukirapo ingayambitse kupsinjika kwakukulu, kuchepetsa kumamatira kapena kuyambitsa kupukuta kwa zokutira. Kuwonjezeka kwa nayitrogeni pang'ono kungayambitse kupangika kwa nitride, koma chiŵerengero chosakhazikika cha mpweya chingayambitse poizoni, kusinthasintha kwa kuchuluka kwa malo ndi kusakhazikika kwa gawo. Kukweza kutentha kwa substrate kungathandize kusintha kuyenda kwa atomiki ndi kristalo, koma kutentha kwambiri kumatha kusokoneza magawo olondola, kufewetsa substrate kapena kukhudza kulondola kwa miyeso.
Pa zophimba zolimba zochokera ku kaboni monga DLC ndi ta-C, zenera la njira limakhala lovuta kwambiri. Chiŵerengero chapamwamba cha kaboni chogwirizana ndi sp³ n'chofunikira kwambiri kuti mupeze kuuma kwakukulu, koma nthawi zambiri chimafuna kuwongolera molondola mphamvu ya ion ndi momwe plasma imakhalira. Ngati mphamvu ya ion ili yotsika kwambiri, filimuyo imatha kukhala ngati graphite ndikutaya kuuma. Ngati mphamvu ya ion ili yokwera kwambiri, filimuyo ikhoza kudziunjikira kupsinjika kwakukulu ndikuvutika ndi kusagwirizana bwino. Chifukwa chake, kuyika kwa ta-C kapena zophimba za DLC zapamwamba sikungofuna gwero lokhazikika la plasma, komanso kuwongolera bwino kwambiri kutengera kwa substrate, kutentha kwa deposition, mphamvu ya carbon ion ndi kapangidwe ka interlayer.
Pa zokutira zochokera ku nitride monga AlTiN, AlCrN ndi TiAlSiN, chinsinsi chili pakuwongolera chiŵerengero cha zinthu zachitsulo, digiri ya nayitrogeni, kuchuluka kwa zokutira ndi kapangidwe ka multilayer. Kuchuluka kwa Al koyenera kumatha kusintha kukana kwa okosijeni, pomwe zinthu za Ti, Cr kapena Si zimathandiza kusintha kuuma, kulimba komanso kukhazikika kwa kutentha. Komabe, ngati kapangidwe kake kasiyana ndi zenera lopangidwira, zokutirazo zimatha kusweka, kukhala ndi mabowo kapena kusakhazikika kutentha kwambiri. Ichi ndichifukwa chake njira zamakono zokutira zolimba kwambiri zimadalira kwambiri kuwongolera mphamvu molondola, kayendetsedwe ka mpweya wokhazikika komanso kugawa kwa plasma komwe kungathe kubwerezedwanso.
Zofunikira pa Zida: Plasma Yokhazikika, Kuwongolera Kolondola ndi Kuyikanso Kobwerezabwereza
Kuti mupeze zokutira zapamwamba kwambiri, zida zokutira vacuum ziyenera kupereka malo okhazikika komanso olamulirika kwambiri oyikapo zinthu. Choyamba chofunikira ndi dongosolo loyera komanso lodalirika la vacuum. Kupanikizika kochepa kumathandiza kuchepetsa mpweya, chinyezi ndi zinthu zina zotsalira, zomwe zimakhudza mwachindunji kuyera kwa zokutira ndi kumamatira kwa mawonekedwe. Panthawi yoyika, kuthamanga kogwira ntchito kokhazikika ndikofunikiranso kuti plasma ikhale yofanana komanso kuwongolera njira yapakati ya tinthu tating'onoting'ono. Kusinthasintha kulikonse kwa kuthamanga kwa vacuum kungayambitse kusintha kwa kuchuluka kwa filimu, kukhwima kwa pamwamba ndi kuchuluka kwa kuyika zinthu.
Chofunika chachiwiri ndikuwongolera bwino plasma. Kaya mukugwiritsa ntchito cathodic arc ion plating, magnetron sputtering, filtered arc deposition kapena hybrid coating technology, mphamvu ndi kuchuluka kwa tinthu tating'onoting'ono tomwe timayatsidwa zimakhudza mwachindunji kapangidwe ka coating. Gwero lokhazikika la plasma likhoza kusintha kuchuluka kwa ionization, kuwonjezera kukhuthala kwa coating ndikuwonetsetsa kuti filimu ndi substrate zikugwirizana bwino. Pa zophimba zolimba kwambiri, makamaka zomwe zimafuna zomangira zolimba za nanocomposite kapena multilayer, kukhazikika kwa plasma kumagwirizana mwachindunji ndi kuuma kwa coating, kulimba ndi moyo wautumiki.
Mphamvu ya bias ndi njira ina yofunika kwambiri yogwirira ntchito. Bias ya substrate imalamulira mphamvu ya ion bombardment ndipo imakhudza kukhuthala kwa filimu, kupsinjika kotsalira ndi kumamatira. Bias yolamulidwa bwino imatha kuyambitsa pamwamba pa substrate, kukonza nucleation ndikupanga kapangidwe kokhuthala kolimba. Komabe, bias yochulukirapo ingayambitse kutentha kwambiri, kusonkhanitsa nkhawa kapena kuwonongeka kwa m'mphepete, makamaka pazida zolondola ndi zigawo zazing'ono. Chifukwa chake, zida zapamwamba zophikira ziyenera kuthandizira kuwongolera bias kolondola, kokhazikika komanso kokonzedwa panthawi yonse yoyeretsa, kuyika kwa magawo osinthira ndi kuyika kwa main coating.
Kuwongolera kutentha n'kofunika kwambiri. Kupanga chophimba cholimba kwambiri nthawi zambiri kumafuna kutentha kokwanira kwa substrate kuti kukhale kolimba komanso kolimba. Nthawi yomweyo, zinthu zambiri, monga zida zolondola za carbide, nkhungu, zitsulo zosapanga dzimbiri kapena zida zamagetsi, zimakhala ndi malire okhwima a kutentha. Izi zimafuna zida zophikira kuti zipereke kutentha kofanana, kuyankha molondola kutentha komanso kuwongolera bwino kutentha panthawi yayitali yopanga. Pa njira zotsika za DLC kapena ta-C, kukhazikika kwa kutentha kumakhala kofunikira kwambiri chifukwa filimuyo iyenera kukhala yolimba kwambiri popanda kuwononga substrate.
Kuyenda kwa mpweya ndi kuwongolera mlengalenga wochitapo kanthu ndizofunikira kwambiri pa nthawi yopangira zinthu. Mu makina ophimba a nitride ndi carbonitride, chiŵerengero cha argon, nayitrogeni, acetylene kapena mpweya wina wochitapo kanthu chimatsimikizira kapangidwe ka filimu ndi kapangidwe ka gawo. Kusintha pang'ono kwa kayendedwe ka mpweya kungayambitse kusiyana kwakukulu kwa kuuma, mtundu, kupsinjika ndi kukana kuwonongeka. Chifukwa chake, zowongolera kuyenda kwa mpweya molondola kwambiri, kuwongolera kuthamanga kwa mpweya kokhazikika, ndi maphikidwe odalirika a njira ndizofunikira kuti pakhale utoto wobwerezabwereza.
Pa zophimba zamphamvu zochokera ku arc, kulamulira tinthu ndi chinthu china chofunikira kwambiri. Magwero a Arc amadziwika ndi kuchuluka kwawo kwa ionization komanso kumamatira kwamphamvu kwa filimu, koma madontho ndi ma macroparticles amatha kusokoneza kusalala kwa kupaka ndi mtundu wa pamwamba. Mu ntchito monga ma micro-drills, ma molds olondola, zigawo za kuwala kapena zophimba zokongoletsa, tinthu tambirimbiri tingakhale magwero a zolakwika. Chifukwa chake, kusefa kwa maginito, kapangidwe kabwino ka arc source, kuwonongeka kwa cholinga kolamulidwa ndi zomangamanga zoyenera zotetezera ndizofunikira pakukweza mtundu wa pamwamba pa kupaka.
Kapangidwe ka zinthu siziyenera kunyalanyazidwa. Zophimba zolimba nthawi zambiri zimagwiritsidwa ntchito pazida zovuta kapena zigawo zina zokhala ndi m'mbali zodulira, mipata, mabowo ndi malo opindika. Ngati kapangidwe ka zinthuzo sikoyenera, zotsatira zake zimakhala zobisika, makulidwe osafanana komanso kuphimba bwino m'mphepete. Kuzungulira kwa ma axis ambiri, kugawa katundu mofanana komanso kukhudzana kwamagetsi kokhazikika ndikofunikira kuti zitsimikizire kuti zinthuzo zikugwirizana bwino ndi zinthu zonse. Pakupanga zinthu zambiri, makina opangira zinthu amatsimikiza mwachindunji ngati zidazo zitha kulinganiza mphamvu yonyamula katundu ndi mtundu wofanana wa zophimba.
Chidule cha Mtengo: Kuwongolera Mawindo a Njira Kumatanthauzira Mpikisano Wophimba
Kupikisana kwa ukadaulo wa superhard covering pamapeto pake kumadalira kuthekera kolamulira zenera la ndondomeko. Chophimba chapamwamba sichimapangidwa ndi gawo limodzi lamphamvu, koma ndi kufananiza kolondola kwa substrate pretreatment, plasma cleaning, transition layer design, deposition energy, gas atmosphere, covering maximum, stress control and cooling process. Kupatuka kulikonse mu sitepe imodzi kungachepetse kumamatira kwa chophimba, kuwonjezera kusweka, kukhudza kusalala kwa pamwamba kapena kufupikitsa moyo wautumiki.
Kwa ogwiritsa ntchito, chophimba chokhazikika cha superhard chimatanthauza kukhala ndi nthawi yayitali ya zida, kupsinjika kochepa, kulondola kwa makina, kusokonezeka kochepa kwa kupanga komanso kuchepetsa mtengo wonse wopanga. Kwa opereka chithandizo cha kupaka utoto, mawindo okhazikika amatanthauza kusinthasintha kwa batch, kusinthasintha kochepa kwa khalidwe komanso mpikisano wamphamvu pakugwiritsa ntchito zinthu zapamwamba. Kwa opanga zida, kuthekera kopereka nsanja yokwanira komanso yowongoleredwa yophimba utoto ndiye chinsinsi chothandiza makasitomala kusintha kuchoka pakupanga zitsanzo kupita ku kupanga mafakitale akuluakulu.
Pamene kupanga zinthu zapamwamba kukupitilira kukula, zokutira zolimba kwambiri zidzafunika kugwira ntchito pansi pa mikhalidwe yovuta kwambiri. Gawo lotsatira la mpikisano silidzangokhala lokhalo lokha lokha. Lidzayang'ana kwambiri pa magwiridwe antchito athunthu a filimu, kuwongolera molondola njira ndi kuthekera kopanga zinthu zambiri mobwerezabwereza. Chifukwa chake, zida zokutira vacuum ziyenera kusintha kukhala nsanja yolumikizirana yopangira pamwamba yomwe imaphatikiza vacuum yoyera, plasma yokhazikika, kuwongolera kolondola kwa bias, kasamalidwe ka kutentha kwapamwamba, kapangidwe kosinthasintha ka zokutira komanso kubwerezabwereza kwanzeru kwa njira.
Pachifukwa ichi, njira yofunika kwambiri yopangira chophimba cha superhard sikuti ndi njira yongoganizira zaukadaulo wokha. Ndi malire apakati omwe amatsimikiza momwe chophimbacho chikuyendera, kukhazikika kwa kupanga, komanso mtengo wake pamsika. Aliyense amene angathe kugwiritsa ntchito bwino zenera ili adzatha kupereka njira zodalirika zophikira chophimba cha superhard pazida zodulira, nkhungu, zida zamagalimoto, kupanga zamagetsi ndi ntchito zina zamafakitale apamwamba.
-Nkhaniyi yasindikizidwa ndiwopanga zida zophikira vacuumZhenhua Vacuum
Nthawi yotumizira: Meyi-12-2026