I-carbon fiber i-fiber material ene-carbon content engaphezu kwama-95%. Inemishini emihle kakhulu, amakhemikhali, kagesi nezinye izinto ezinhle kakhulu. “Iyinkosi yezinto ezintsha” nezinto ezisetshenziswayo ezintulekayo ekuthuthukisweni kwezempi nezakhamuzi. Kwaziwa ngokuthi “Igolide Elimnyama”.
Umugqa wokukhiqiza we-carbon fiber umi kanje:
Yenziwa kanjani i-carbon fiber ezacile?
Ubuchwepheshe benqubo yokukhiqiza i-carbon fibre sebuthuthukile kuze kube manje futhi sebukhulile. Ngokuthuthuka okuqhubekayo kwe-carbon fiber composite materials, iya ngokuya ithandwa yiyo yonke imikhakha yempilo, ikakhulukazi ukukhula okuqinile kwezindiza, imoto, ujantshi, ama-wind power blades, njll. kanye nomphumela wayo wokushayela, ukuthuthukiswa kwemboni ye-carbon fiber. . Amathemba abanzi nakakhulu.
Iketanga lemboni ye-carbon fiber lingahlukaniswa libe phezulu nomfula. I-Upstream ngokuvamile ibhekisela ekukhiqizweni kwe-carbon fiber-specific materials; umfula ongezansi ngokuvamile ubhekisela ekukhiqizeni izingxenye ze-carbon fiber application. Izinkampani eziphakathi komfula nophansi komfula zingacabanga ngazo njengabahlinzeki bemishini enqubweni yokukhiqiza i-carbon fiber. Njengoba kuboniswe emfanekisweni:
Yonke le nqubo ukusuka kusilika oluhlaza kuya ku-carbon fibre enhla kochungechunge lwemboni ye-carbon fibre idinga ukudlula ezinqubweni ezifana nezithando ze-oxidation, izithando ze-carbonization, izithando ze-graphitization, ukwelashwa kwendawo, kanye nokulinganisa. Isakhiwo se-fiber silawulwa yi-carbon fiber.
Ukukhuphuka komfula we-carbon fiber industry chain kungowemboni ye-petrochemical, futhi i-acrylonitrile itholakala ikakhulukazi ngokucwenga uwoyela ongahluziwe, ukuqhekeka, i-ammonia oxidation, njll.; I-Polyacrylonitrile precursor fiber, i-carbon fibre itholakala ngokufaka i-oxidizing kanye ne-carbonizing ifayibha eyandulelayo, kanye ne-carbon fiber composite material itholakala ngokucubungula i-carbon fibre kanye ne-resin yekhwalithi ephezulu ukuze kuhlangatshezwane nezidingo zohlelo lokusebenza.
Inqubo yokukhiqiza ye-carbon fiber ikakhulukazi ihlanganisa ukudweba, ukubhala, ukuqiniswa, i-carbonization, kanye ne-graphitization. Njengoba kuboniswe emfanekisweni:
Umdwebo:Lesi isinyathelo sokuqala senqubo yokukhiqiza i-carbon fiber. Ngokuyinhloko ihlukanisa izinto ezingavuthiwe zibe imicu, okuwushintsho olungokomzimba. Phakathi nale nqubo, ukudluliswa kwenqwaba nokudluliswa kokushisa phakathi koketshezi oluphothayo kanye noketshezi olujiyile, futhi ekugcineni kube nemvula ye-PAN. Imicu yakha isakhiwo sejeli.
Ukwakha:idinga izinga lokushisa elingu-100 kuya ku-300 ukuze lisebenze ngokuhambisana nomphumela wokunwebeka wezintambo eziqondiswe. Kuphinde kube yisinyathelo esibalulekile ku-modulus ephezulu, ukuqinisa okuphezulu, ukuminyana, kanye nokucwengwa kwemicu ye-PAN.
Ukuzinza:I-thermoplastic PAN linear macromolecular chain iguqulwa ibe yisakhiwo se-trapezoidal esingamelani nokushisa kwepulasitiki ngendlela yokushisa kanye ne-oxidation kuma-degree angu-400, ukuze ingancibiliki futhi ingashi ekushiseni okuphezulu, igcine isimo se-fiber, futhi i-thermodynamics isesimweni esizinzile.
I-Carbonization:Kuyadingeka ukukhipha izakhi ezingezona ikhabhoni ku-PAN ekushiseni kwe-1,000 kuya ku-2,000 degrees, futhi ekugcineni kukhiqizwe imicu ye-carbon ene-turbostratic graphite structure enokuqukethwe kwekhabhoni engaphezu kuka-90%.
I-Graphitization: Kudinga izinga lokushisa elingu-2,000 kuya ku-3,000 ukuze kuguqulwe izinto ezisetshenziswayo ze-amorphous ne-turbostratic carbonized zibe izakhiwo ze-graphite ezinezinhlangothi ezintathu, okuyisilinganiso sobuchwepheshe esiyinhloko sokuthuthukisa imodulus ye-carbon fibers.
Inqubo enemininingwane ye-carbon fibre kusukela enqubweni yokukhiqiza usilika ongahluziwe kuya emkhiqizweni oqediwe ukuthi i-PAN usilika eluhlaza ukhiqizwa inqubo yangaphambilini yokukhiqiza usilika ongahluziwe. Ngemuva kokudweba kusengaphambili ukushisa okumanzi kwe-feeder yocingo, idluliselwa ngokulandelana esithandweni somlilo sangaphambi kwe-oxidation ngomshini wokudweba. Ngemva kokubhaka emazingeni okushisa ahlukene e-gradient eqenjini lesithando somlilo sangaphambi kwe-oxidation, kwakheka imicu ene-oxidized, okungukuthi, imicu yangaphambi kwe-oxidized; amafayibha angaphambi kwe-oxidized akhiwa abe yi-carbon fibers ngemva kokudlula ezithandweni zokushisa okuphakathi nendawo nezishisa kakhulu ze-carbonization; imicu yekhabhoni ibe isifakwa ekwelashweni kokugcina kwendawo, ukulinganiswa, ukomiswa kanye nezinye izinqubo zokuthola imikhiqizo ye-carbon fiber. . Yonke inqubo yokudla okuqhubekayo kocingo nokulawula okunembile, inkinga encane kunoma iyiphi inqubo izothinta ukukhiqizwa okuzinzile kanye nekhwalithi yomkhiqizo wokugcina we-carbon fiber. Ukukhiqizwa kwe-carbon fiber kunokugeleza kwenqubo ende, amaphuzu amaningi abalulekile wezobuchwepheshe, nezithiyo zokukhiqiza eziphezulu. Kuwukuhlanganiswa kwemikhakha eminingi nobuchwepheshe.
Okungenhla ukwakhiwa kwe-carbon fiber, ake sibheke ukuthi indwangu ye-carbon fiber isetshenziswa kanjani!
Ukucutshungulwa kwemikhiqizo yendwangu ye-carbon fibre
1. Ukusika
I-prepreg ikhishwa endaweni yokugcina ebandayo eku-minus 18 degrees. Ngemva kokuvuswa, isinyathelo sokuqala ukusika ngokunembile impahla ngokusho komdwebo wezinto ezibonakalayo emshinini wokusika othomathikhi.
2. Ukugandaya
Isinyathelo sesibili ukubeka i-prepreg ethuluzini lokubeka, futhi ubeke izendlalelo ezihlukene ngokuya ngezidingo zokuklama. Zonke izinqubo zenziwa ngaphansi kokumiswa kwe-laser.
3. Ukwakha
Ngerobhothi elibambayo elizenzakalelayo, i-preform ithunyelwa emshinini wokubumba ukuze ibunjwe ngokucindezela.
4. Ukusika
Ngemuva kokwakhiwa, i-workpiece ithunyelwa endaweni yokusebenza yerobhothi yokusika ngesinyathelo sesine sokusika nokususa ukuze kuqinisekiswe ukunemba kwe-dimensional ye-workpiece. Le nqubo ingase futhi isetshenziswe ku-CNC.
5. Ukuhlanza
Isinyathelo sesihlanu ukwenza ukuhlanza iqhwa elomile esiteshini sokuhlanza ukuze kukhishwe i-ejenti yokukhulula, elungele inqubo elandelayo yokugqoka i-glue.
6. Ingcina
Isinyathelo sesithupha ukufaka iglue yesakhiwo esiteshini samarobhothi egluing. Isikhundla sokunamathisela, isivinini seglue, nokuphuma kweglue konke kulungiswe kahle. Ingxenye yokuxhumana nezingxenye zensimbi i-riveted, eyenziwa esiteshini se-riveting.
7. Ukuhlolwa komhlangano
Ngemuva kokusetshenziswa kweglue, amapaneli angaphakathi nangaphandle ahlanganiswa. Ngemva kokuthi ingcina selashiwe, ukutholwa kokukhanya okuluhlaza okwesibhakabhaka kwenziwa ukuze kuqinisekiswe ukunemba kobukhulu bezimbobo zokhiye, amaphoyinti, imigqa, nezindawo.
I-carbon fiber inzima kakhulu ukuyicubungula
I-Carbon fibre inakho kokubili amandla aqinile we-carbon material kanye nokucutshungulwa okuthambile kwemicu. I-Carbon fiber iyimpahla entsha enezici ezinhle kakhulu zokusebenza. Thatha i-carbon fiber kanye nensimbi yethu evamile njengesibonelo, amandla e-carbon fiber azungeze i-400 kuya ku-800 MPa, kanti amandla ensimbi evamile angama-200 kuya ku-500 MPa. Uma ubheka ukuqina, i-carbon fiber nensimbi ngokuyisisekelo kuyafana, futhi awukho umehluko osobala.
I-Carbon fiber inamandla aphezulu nesisindo esilula, ngakho-ke i-carbon fiber ingabizwa ngokuthi inkosi yezinto ezintsha. Ngenxa yale nzuzo, ngesikhathi sokucutshungulwa kwezinhlanganisela ze-carbon fibre reinforced composite (CFRP), i-matrix nemicu inokusebenzelana kwangaphakathi okuyinkimbinkimbi, okwenza izici zayo ezingokomzimba zihluke kulezo zensimbi. Ukuminyana kwe-CFRP kuncane kakhulu kunokwezinsimbi, kuyilapho amandla makhulu kunezinsimbi eziningi. Ngenxa ye-inhomogeneity ye-CFRP, i-fiber pull-out noma i-matrix fibre detachment ngokuvamile ivela ngesikhathi sokucubungula; I-CFRP inokumelana nokushisa okuphezulu futhi igqoka ukumelana, okwenza kube nzima kakhulu kumishini ngesikhathi sokucubungula, ngakho-ke Isamba esikhulu sokushisa esinqunyiwe sikhiqizwa inqubo yokukhiqiza, ebaluleke kakhulu ekugqokeni kwemishini.
Ngaso leso sikhathi, ngokwanda okuqhubekayo kwezinkambu zokufaka isicelo, izidingo ziya ngokuya ziba ntekenteke, futhi nezidingo zokusebenzisa izinto zokwakha kanye nezidingo zekhwalithi ze-CFRP ziya ngokuya ziba namandla, okubangela nezindleko zokucubungula. ukuphakama.
Ukucutshungulwa kwebhodi le-carbon fiber
Ngemuva kokuthi ibhodi le-carbon fiber liphulukisiwe futhi lenziwe, ukucutshungulwa okufana nokusika nokubhoboza kuyadingeka ukuze kutholakale izidingo zokunemba noma izidingo zokuhlanganisa. Ngaphansi kwezimo ezifanayo ezifana nemingcele yenqubo yokusika kanye nokujula kokusika, ukukhetha amathuluzi kanye nokubhoboza izinto ezihlukahlukene, amasayizi kanye nokuma kuzoba nemiphumela ehluke kakhulu. Ngesikhathi esifanayo, izici ezifana namandla, isiqondiso, isikhathi, nezinga lokushisa lamathuluzi nama-drill nakho kuzothinta imiphumela yokucubungula.
Enqubweni yokucubungula emva kokucubungula, zama ukukhetha ithuluzi elibukhali eline-diamond coating kanye ne-drill drill bit eqinile ye-carbide. Ukumelana nokugqokwa kwethuluzi kanye ne-drill bit ngokwayo kunquma ikhwalithi yokucubungula kanye nempilo yesevisi yethuluzi. Uma ithuluzi kanye ne-drill bit kungabukhali ngokwanele noma kusetshenziswe ngendlela engafanele, ngeke nje kusheshise ukuguga, ukwandisa izindleko zokucubungula umkhiqizo, kodwa futhi kubangele ukulimala kwepuleti, okuthinta ukuma nobukhulu bepuleti kanye ukuzinza kobukhulu bemigodi nemigodi epulatifeni. Ibangela ukuklebhuka kwento egqinsile, noma ukuwa kwebhulokhi, okuholela ekukhishweni kwalo lonke ibhodi.
Lapho ubhobozaamashidi e-carbon fiber, isivinini esisheshayo, umphumela uba ngcono. Ekukhetheni izingcezu zokubhoboza, idizayini yethiphu yokubhoboza eyingqayizivele ye-PCD8 face edge drill bit ifaneleka kakhulu kumashidi we-carbon fibre, engangena kangcono kumashidi we-carbon fiber futhi yehlise ingcuphe ye-delamination.
Lapho usika amashidi e-carbon fiber aminyene, kunconywa ukusebenzisa isisiki sokugaya esinemiphetho ekabili enomklamo wonqenqema lwesokunxele nesokudla. Lo mkhawulo obukhali wokusika unamathiphu we-helical aphezulu naphansi ukuze ulinganise amandla e-axial wethuluzi phezulu naphansi ngesikhathi sokusika. , ukuqinisekisa ukuthi amandla okusika umphumela aqondiswe ohlangothini lwangaphakathi lwempahla, ukuze uthole izimo zokusika ezizinzile futhi ucindezele ukuvela kwe-delamination yezinto. Idizayini yamaphethelo amise okwedayimane aphezulu naphansi omzila we-"Pineapple Edge" nawo angasika ngempumelelo amashidi e-carbon fiber. Umtshingo wayo ojulile we-chip ungasusa ukushisa okuningi okusika ngokukhipha ama-chips ngesikhathi sokusika, ukuze ugweme ukulimala ku-carbon fiber. izakhiwo zeshidi.
01 Ifayibha ende eqhubekayo
Izici zomkhiqizo:Ifomu lomkhiqizo elivame kakhulu labakhiqizi be-carbon fibre, inqwaba yakhiwe izinkulungwane ze-monofilaments, ezihlukaniswe zibe izinhlobo ezintathu ngokwendlela yokusonta: I-NT (Ayikaze Iphonswe, Ingasontiwe), i-UT (I-Untwisted, Untwisted), i-TT noma i-ST ( Isontekile, isontiwe), okuyi-NT yayo i-carbon fiber esetshenziswa kakhulu.
Isicelo esiyinhloko:Isetshenziselwa ikakhulukazi izinto eziyinhlanganisela ezifana ne-CFRP, i-CFRTP noma i-C/C eyinhlanganisela yezinto, futhi izinkundla zokufaka isicelo zihlanganisa imishini yendiza/ yasemkhathini, impahla yezemidlalo nezingxenye zemishini yezimboni.
02 I-Staple Fiber Yarn
Izici zomkhiqizo:intambo yefiber emfushane ngamafuphi, izintambo eziphothiwe ezivela emicu yekhabhoni emifushane, njengemicu ye-carbon yenjongo evamile, imvamisa iyimikhiqizo esesimweni semicu emifushane.
Ukusetshenziswa okuyinhloko:izinto zokuvikela ukushisa, izinto zokulwa nokungqubuzana, izingxenye eziyinhlanganisela ye-C/C, njll.
03 Indwangu ye-Carbon Fiber
Izici zomkhiqizo:Yenziwe nge-carbon fibre eqhubekayo noma intambo ye-carbon fibre spun. Ngokwendlela yokweluka, izindwangu ze-carbon fiber zingahlukaniswa zibe izindwangu ezilukiwe, izindwangu ezilukiwe nezingezona ezilukiwe. Njengamanje, izindwangu ze-carbon fiber ngokuvamile ziyizindwangu ezilukiwe.
Isicelo esiyinhloko:Okufanayo ne-carbon fiber eqhubekayo, esetshenziswa kakhulu ezintweni eziyinhlanganisela ezifana ne-CFRP, i-CFRTP noma i-C/C eyinhlanganisela yezinto, futhi izinkundla zokufaka isicelo zihlanganisa okokusebenza kwezindiza/ze-aerospace, izimpahla zezemidlalo nezingxenye zemishini yezimboni.
04 I-Carbon Fiber Braided Belt
Izici zomkhiqizo:Iyingxenye yendwangu ye-carbon fibre, nayo elukwe nge-carbon fibre eqhubekayo noma intambo ye-carbon fibre spun.
Ukusetshenziswa okuyinhloko:Isetshenziselwa ikakhulukazi izinto zokuqinisa ezisekelwe ku-resin, ikakhulukazi ukukhiqizwa nokucubungula imikhiqizo ye-tubular.
05 I-carbon fiber eqoshiwe
Izici zomkhiqizo:Ihlukile kumqondo we-carbon fibre spun ntambo, imvamisa ilungiswa kusuka ku-carbon fiber ngokucutshungulwa okuqotshiwe, futhi ubude obuqotshiwe befayibha bungasikwa ngokwezidingo zekhasimende.
Ukusetshenziswa okuyinhloko:Imvamisa isetshenziswa njengengxube yamapulasitiki, ama-resin, usimende, njll., ngokuxuba ku-matrix, izakhiwo zemishini, ukumelana nokugqoka, ukuqhutshwa kukagesi nokumelana nokushisa kungathuthukiswa; eminyakeni yamuva nje, imicu eqinisayo ku-3D yokunyathelisa i-carbon fibre composite ivame ukuqotshwa imicu ye-carbon. main.
06 Ukugaya i-carbon fiber
Izici zomkhiqizo:Njengoba i-carbon fiber iyisici esiphukayo, ingalungiswa ibe yimpuphu ye-carbon fiber impahla ngemva kokugaya, okungukuthi, ukugaya i-carbon fiber.
Isicelo esiyinhloko:efana ne-carbon fiber eqoshiwe, kodwa engavamile ukusetshenziselwa ukuqinisa usimende; ngokuvamile isetshenziswa njengenhlanganisela yepulasitiki, i-resin, irabha, njll. ukuthuthukisa izakhiwo zemishini, ukumelana nokugqoka, ukuqhutshwa kukagesi kanye nokumelana nokushisa kwe-matrix.
07 I-Carbon fiber mat
