Yintoni i-carbon fiber?

Ifayibha yekhabhoni enqunqiweyo yifayibha yekhabhoni enqunyulwa mfutshane. Apha i-carbon fiber yinguqu ye-morphological kuphela, ukusuka kwi-carbon fiber filament ibe yi-filament emfutshane, kodwa ukusebenza kwe-short-cut-cut carbon fiber ngokwayo akuzange kutshintshe. Ke kutheni ufuna ukusika i-filament elungileyo mfutshane?
Okokuqala, kufuneka siqale kwinkqubo yokubumba yezinto ezidibeneyo. Ngokwesiqhelo i-carbon filament filament kufuneka ilukwe ibe ilaphu le-carbon fiber okanye yenziwe ibe yi-carbon fiber prepreg, kwaye emva kokoinkqubo yokubumba, i-RTM, i-vacuum bagging, iitoti zokushicilela ezishushu kunye nezinye iinkqubokwiintlobo ngeentlobo zeemveliso zekhabhoni fiber composite. Ewe kunjalo, kukho ezinye iinkqubo zokubumba ezingadingi zixhobo eziphakathi, ngokuthe ngqo kwi-carbon fiber filament yokubumba, njengokubumba i-pultrusion, ukubunjwa kwe-winging kunye nokunye.
Ifayibha yekhabhoni elukiweyo kwilaphu lekhabhoni fiber okanye yenziwe prepreg, hamba uyokwenza iimveliso, kukho ukusilela kwendalo, akulunganga ukuncamathela ukungunda. Ubukho bokubumba kukunika imilo kwizinto ezidibeneyo, i-mold inoluphi uhlobo lwemilo, into yokugqibela edibeneyo nayo inoluphi uhlobo lokumila. Nangona kunjalo, ukuba ilaphu le-carbon fiber okanye i-prepreg ayifaki kakuhle i-mold, imilo yempahla edibeneyo ayihambelani nemo yokubumba. Ukongezelela, kwezinye iikona, ilaphu le-carbon fiber cloth kulula ukuyibhula, ukwenza i-cavity yendawo, ekugqibeleni ibangele ukuhla kokusebenza kweemveliso ze-carbon fiber composite.
I-carbon fiber filament ngaphakathi kwelaphu le-carbon fiber okanye i-prepreg ibotshiwe kwaye akukho lula ukuhamba. Ngokukodwa kwimeko yoxinzelelo, i-resin kunye ne-carbon fiber filament mobility ihlupheke kakhulu, ekugqibeleni iya kubangela ubunzima bokubumba okanye ukuthotywa kokusebenza.
Okukhona ubude bufutshane, kokukhona ubuninzi be-fluidity bungconoifayibha yekhabhoni enqunqiweyo. Kufuneka kwaziwe ukuba ukubumba inaliti yeyona nto isetyenziswa kakhulu kunye neteknoloji evuthiweyo kwinkqubo yokubumba iplastiki. Ukuba isetyenziswe kwimveliso yezinto ezidibeneyo, iya kuba yinguqu enkulu.
Nangona kunjalo, ubude be-short-cut-cut-cut fiber fiber abukwazi ukuncitshiswa, kuba ubude obufutshane be-fiber ye-carbon fiber, i-resin kunye ne-carbon fiber bonding iya kuba buthathaka. Ngenxa yokuba ibhondi phakathi kwe-resin kunye ne-carbon fiber ihambelana ngokuthe ngqo kwindawo yoqhagamshelwano phakathi kwabo, ukuba ubude bufutshane, ke indawo yoqhagamshelwano iyancitshiswa ngokuqinisekileyo.
Emva koko kukho ukuphikisana apha, oko kukuthi, ukuchasana phakathi kokusebenza kwe-fiber-cut cut and mobility. Okukhona ubude befayibha ubude, kuya kuba nzima ukuba zisasazwe, ifayibha kunye nefayibha zilula ukuqhina, kodwa okona kuqina ifayibha kunye nentlaka edityanisiweyo, ngaphandle kokusebenza kwemathiriyeli edibeneyo kuya kuba phezulu. Ubude befiber bufutshane, kulula ukusasazeka, kunye nokuhamba kakuhle, kodwa i-fiber kunye ne-resin bond ibuthathaka kancinci. Indlela yokulinganisa oku kuphikisana, kufuneka kufundwe, ngokuqhelekileyo, ukwenza i-short-cut-cut-cut-cut-cut carbon fiber iplasitiki yeplastiki eqinisiweyo, ubude be-1-9mm ububanzi.
Kukwakho indlela yokuphucula amandla okudibanisa phakathi kwefayibha yekhabhoni kunye nentlaka, eyiarhente yokulinganisa. Ngokuqhelekileyo, kukho i-agent yokulinganisa kumphezulu wecarbon fiberumzi-mveliso, osetyenziselwa ukukhusela i-carbon fiber kwi-liting kwinkqubo yokupakisha, ukudlulisa kunye nokusebenza, kwaye ngakolunye uhlangothi, isetyenziselwa ukudibanisa i-carbon fiber kunye ne-resin, kwaye idlale indima yokuphucula amandla okudibanisa.
Nangona kunjalo, le arhente yokulinganisa yenzelwe iresin ye-thermosetting. Uninzi lwee-resin ezisetyenziselwa ukwenza iipellets zii-thermoplastic resins, ngoko ke i-agent yokulinganisa kufuneka ilungiswe. Enye kukutshisa iarhente yokulinganisa yantlandlolo kwaye wenze umaleko omtsha wearhente yokulinganisa. Enye kukutshisa i-arhente yokulinganisa yantlandlolo kwaye wenze umaleko omtsha we-arhente yokulinganisa; enye kukwenza ubungakanani be-agent kwakhona ngokwesiseko se-arhente yobungakanani boqobo, ebizwa ngokuba yi-secondary sizeng.
Ukongeza ekwenzeni iigranules zokubumba inaliti,ifayibha yekhabhoni enqunqiweyoinezinye izinto ezisetyenziswayo, ezifana nezenziwe nge-carbon fiber mat, okanye ezenziwe ngephepha le-carbon fiber. Ubude obufunekayo be-carbon fiber eqoshiwe buya kuba bude kunobude be-fiber eqoshiwe kwiigranules.
Ukongeza, ukongeza kwiifiber zekhabhoni ezinqunqiweyo ngokungaqhelekanga, kukwakho nemicu yekhabhoni enqunqiweyo. Le ifayibha ezinqamlezileyo kwi short cut phambi kokuba carbon fibre tow uhlobo oluthile kwangaphambili, ngoko unqunyulwe ifayibha short-cut ineempawu inyanda, equlathe isixa resin iya kuba kakhulu ngaphezu kwezinye ifayibha ezimfutshane.