Nekuenderera mberi kwekugadzirwa kwezvinhu zvakasanganiswa, kuwedzera kune girazi fiber-yakasimbiswa mapurasitiki, carbon fiber-reinforced plastics, boron fiber-reinforced plastics, nezvimwewo zvakaonekwa.Carbon fiber reinforced polymer composites (CFRP) zvinhu zvakareruka uye zvakasimba zvinoshandiswa kugadzira zvigadzirwa zvakawanda zvatinoshandisa muhupenyu hwedu hwezuva nezuva.Iri izwi rinoshandiswa kutsanangura fiber-yakasimbiswa inoumbwa zvinhu zvinoshandisa kabhoni fibers sechinhu chikuru chechimiro chikamu.
Table of Content:
1. Carbon Fiber Yakasimbiswa Polymer Structure
2. Iyo Molding Method yeCarbon Fiber Yakasimbiswa Plastiki
3. Zvinhu zveCarbon Fiber Yakasimbiswa Polymer
4. Zvakanakira zveCFRP
5. Zvakaipa zveCFRP
6. Carbon Fiber Yakasimbiswa Plastic Uses
Carbon Fiber Yakasimbiswa Polymer Structure
Carbon fiber reinforced plastic chinhu chinoumbwa nekuronga kabhoni fiber zvinhu mune imwe nzira uye kushandisa zvakasungwa polymer zvinhu.Iyo dhayamita yekabhoni fiber yakatetepa zvakanyanya, inosvika 7 microns, asi simba rayo rakanyanya kukwirira.
Iyo inonyanya kukosha inoumba chikamu chekabhoni fibre yakasimbiswa inoumbwa zvinhu ndeye kabhoni fiber filament.Iyo yakakosha zvinhu zvekabhoni filament ndeye prepolymer polyacrylonitrile (PAN), rayon, kana petroleum pitch.Iyo kabhoni filaments inozogadzirwa kuita kabhoni fiber machira nemakemikari uye mechanicha nzira dzekabhoni fiber zvikamu.
Iyo inosunga polymer inowanzova thermosetting resin senge epoxy.Mamwe ma thermosets kana thermoplastic polymers dzimwe nguva anoshandiswa, senge polyvinyl acetate kana naironi.Pamusoro pekabhoni fibers, macomposites anogona zvakare kuve nearamid Q, yekupedzisira-yakakwirira molecular uremu polyethylene, aluminium, kana girazi fibers.Izvo zvimiro zvekupedzisira kabhoni fiber chigadzirwa zvinogona zvakare kukanganiswa nemhando yezvinowedzera zvakaunzwa mu bonding matrix.
Iyo Molding Method yeCarbon Fiber Yakasimbiswa Plastiki
Carbon fiber zvigadzirwa zvinonyanya kusiyana nekuda kwemaitiro akasiyana.Kune nzira dzakawanda dzekugadzira kabhoni fiber yakasimbiswa polymer zvinhu.
1. Nzira yeKuisa-Maoko
Yakakamurwa kuita yakaoma nzira (pre-yakagadzirirwa shopu) uye nyoro nzira (fiber jira uye resin glued kushandisa).Kuisa maoko-kumusoro kunoshandiswawo kugadzirira prepregs kuti ishandiswe mune yechipiri molding maitiro senge compression molding.Iyi nzira ndiyo iyo mapepa emucheka wekabhoni fiber anonamirwa pane mold kuti agadzire chigadzirwa chekupedzisira.Simba uye kuoma kwezvinhu zvezvakagadzirwa zvakagadziridzwa nekusarudza kurongeka uye weave yemucheka fibers.Iyo mold inobva yazadzwa ne epoxy uye inorapwa nekupisa kana mweya.Iyi nzira yekugadzira inowanzoshandiswa kune zvikamu zvisina kusimbiswa, zvakadai semavharo ejini.
2. Vacuum Forming Method
Kune iyo laminated prepreg, zvinodikanwa kuisa kumanikidza kuburikidza neimwe nzira kuti iite padyo ne mold uye kurapa nekuigadzira pasi peimwe tembiricha nekumanikidza.Nzira yebhegi yevacuum inoshandisa pombi yekutsvaira kuti ibudise mukati mehomwe yekugadzira kuitira kuti kudzvinyirira kusina kunaka pakati pehomwe uye mold kuumba kumanikidzika kuitira kuti zvinhu zvinosanganiswa zvive pedyo nekuumbwa.
Pamusoro peiyo nzira yevacuum bag, iyo vacuum bag-autoclave yekugadzira nzira yakatorwa gare gare.Autoclaves inopa kudzvinyirira kwakanyanya uye kupisa kunorapa chikamu (panzvimbo yekurapa kwechisikigo) pane vacuum bag-chete nzira.Chikamu chakadaro chine chimiro chakawanda, chiri nani chepamusoro, chinogona kunyatsobvisa mabhubhu emhepo (mabhubhu achakanganisa zvakanyanya simba rechikamu), uye huwandu hwese hwakakwirira.Muchokwadi, maitiro evacuum bagging akafanana neaya efoni mbozha inonamatira.Kubvisa mabhuru emhepo ibasa guru.
3. Compression Molding Method
Compression moldinginzira yekuumba iyo inobatsira mukugadzirwa kwehuwandu uye kugadzirwa kwakawanda.Molds kazhinji inogadzirwa nepamusoro nepasi, iyo yatinoti murume mold uye mukadzi.Iyo yekuumba maitiro ndeyekuisa mat akagadzirwa prepregs musimbi counter mold, uye pasi pechiito cheimwe tembiricha uye kumanikidza, mat anopisa uye anoiswa plastiki mugomba rekuumbwa, anoyerera achimanikidzwa, uye anozadza mold cavity, uye ipapo. Uye kuumba nekurapa kuti uwane zvigadzirwa.Nekudaro, iyi nzira ine yakakwira mutengo wekutanga kupfuura yapfuura, sezvo mold inoda yakanyanya-chaiyo CNC machining.
4. Winding Molding
Kune zvikamu zvine maumbirwo akaomarara kana muchimiro chemuviri wekumukira, filament winder inogona kushandiswa kugadzira chikamu nekumonera filament pane mandrel kana core.Mushure memhepo inopedza kurapa uye bvisa mandrel.Semuenzaniso, tubular akabatana maoko anoshandiswa mukumiswa masisitimu anogona kuitwa uchishandisa nzira iyi.
5. Resin Transfer Molding
Resin transfer molding (RTM) inzira ine mukurumbira yekuumba.Matanho ayo akakosha ndeaya:
1. Isa iyo yakagadzirwa yakaipa kabhoni fiber jira mu mold uye uvhare mold.
2. Jekiseni resin yemvura inopisa mukati mayo, simbisa iyo inosimbisa, uye rapa.
Zvivakwa zveCarbon Fiber Yakasimbiswa Polymer
(1) Simba repamusoro uye kunaka kwakanaka.
Iyo chaiyo simba (kureva, reshiyo yekusimba kwesimba kune density) yekabhoni faibha inosvika katanhatu pane yesimbi uye kagumi nenomwe kupfuura yealuminium.Iyo chaiyo modulus (kureva, reshiyo yeYoung's modulus kune density, inova chiratidzo chekunyungudika kwechinhu) inodarika katatu iyo yesimbi kana aluminium.
Nesimba rakananga repamusoro, rinogona kutakura mutoro mukuru wekushanda.Kunyanya kushanda kwayo kunogona kusvika 350 kg / cm2.Mukuwedzera, inonyanya kumanikidzika uye yakasimba kudarika yakachena F-4 uye yakarukwa.
(2) Zvakanaka kuneta kuramba uye kupfeka kusagadzikana.
Kuramba kwayo kuneta kwakanyanya kudarika iyo epoxy resin uye yakakwirira kudarika yezvigadzirwa zvesimbi.Graphite fibers inozvizora uye ine diki coefficient yekukwesha.Kuwanda kwekupfeka kwakapetwa ka5-10 kudiki pane iyo yeakajairika zvigadzirwa zveasbestos kana F-4 braids.
(3) Zvakanaka kupisa conductivity uye kupisa kupisa.
Carbon fiber reinforced plastics ane good thermal conductivity, uye kupisa kunokonzerwa nekukwesha kunobviswa zviri nyore.Imo mukati haisi nyore kupisa uye kuchengetedza kupisa uye inogona kushandiswa sechinhu chine simba chekuisa chisimbiso.Mumhepo, inogona kushanda zvakatsiga mutembiricha ye -120 ~ 350°C.Nekuderedzwa kwealkali metal yemukati mucarbon fiber, tembiricha yebasa inogona kuwedzera.Mune gasi inert, tembiricha yaro inochinjika inogona kusvika pa2000 ° C, uye inokwanisa kutsungirira shanduko dzakapinza mukutonhora nekupisa.
(4) Good vibration kuramba.
Haisi nyore kuita resonate kana flutter, uye zvakare chinhu chakanakisa chekudzikisa vibration uye kuderedza ruzha.
Zvakanakira zveCFRP
1. Kurema kweChiedza
Traditional glass fiber reinforced plastics anoshandisa girazi fibers uye 70% girazi fibers (girasi uremu / huremu hwese) uye kazhinji ane density ye0.065 pounds per cubic inch.Iyo CFRP inoumbwa ine yakafanana 70% fiber huremu kazhinji ine density ye0.055 mapaundi pa cubic inch.
2. Simba Repamusoro
Kunyangwe kabhoni faibha yakasimbiswa mapolymers ari kuremerwa, maCFRP macomposites ane simba repamusoro uye kuomarara kwepamusoro pahuremu hweyuniti pane magirazi fiber composites.Kuenzaniswa nezvinhu zvesimbi, mukana uyu unonyanya kuoneka.
Zvakaipa zveCFRP
1. Mutengo Wakakwirira
Mutengo wekugadzira kabhoni fiber yakasimbiswa epurasitiki unorambidza.Carbon fiber mitengo inogona kusiyanisa zvakanyanya zvichienderana nemamiriro emusika iyezvino (kupa uye kudiwa), rudzi rwekabhoni fiber (aerospace vs. giredhi rekutengesa), uye ukuru hwefiber bundle.Papound-for-pound basis, virgin carbon fiber inogona kudhura 5 kusvika ku25 nguva kudarika girazi fiber.Musiyano uyu wakatokura kana uchienzanisa simbi neCFRP.
2. Conductivity
Uku ndiko kwakanakira uye kushata kwekabhoni fiber composite zvinhu.Zvinoenderana nekushandisa.Carbon fibers inofambisa zvakanyanya uye magirazi fiber ari insulating.Zvigadzirwa zvakawanda zvinoshandisa fiberglass pachinzvimbo chekabhoni faibha kana simbi nekuti zvinoda kusungirirwa kwakasimba.Mukugadzirwa kwezvinhu zvinoshandiswa, zvigadzirwa zvakawanda zvinoda kushandiswa kwegirazi fibers.
Carbon Fiber Yakasimbiswa Plastic Uses
Iko kushandiswa kwekabhoni fiber yakasimbiswa polymer yakakura muhupenyu, kubva kumakanika zvikamu kusvika kune zvechiuto.
(1)sekuisa chisimbiso
Carbon faibha yakasimbiswa PTFE zvinhu zvinogona kugadzirwa kuita corrosion-resistant, kupfeka-resistant, uye yakakwirira-inodzivirira-inodzivirira kuvhara mhete kana kurongedza.Kana ichishandiswa pakuisa chisimbiso, hupenyu hwesevhisi hwakareba, kupfuura zvakapetwa ka10 kupfuura iyo yemafuta-akanyudzwa asbestos packing.Inogona kuchengetedza kuita chisimbiso pasi pemutoro shanduko uye nekukurumidza kutonhora uye nekukurumidza kupisa.Uye sezvo zvinhu zvacho zvisina zvinhu zvinoparadza, hapana kuparara kwegomba kuchaitika pasimbi.
(2)sezvikamu zvekukuya
Ichishandisa zvimiro zvayo zvekuzvizora, inogona kushandiswa semabhengi, magiya, uye mhete dzepiston kune zvakakosha.Zvakadai semafuta-asina mafuta anozorwa mabhengi ezviridzwa zvendege uye tepi rekodhi, mafuta-isina mafuta anozora magiya emagetsi ekufambisa dizeli locomotives (kunzvenga tsaona dzinokonzerwa nekudonha kwemafuta), mhete dzepiston dzisina mafuta dzakaiswa pacompressor, nezvimwewo. Mukuwedzera, inogona Inoshandiswawo semabhengi ekutsvedza kana zvisimbiso mumaindasitiri ezvekudya uye emishonga nekutora mukana weiyo isiri-chepfu maitiro.
(3) Sezvimiro zvekugadzira zvemuchadenga, ndege, uye makombi.Yakatanga kushandiswa mukugadzirwa kwendege kuderedza huremu hwendege uye kuvandudza kubhururuka zvakanaka.Inoshandiswa zvakare mumakemikari, peturu, simba remagetsi, muchina, uye mamwe maindasitiri seanotenderera kana anodzoreredza ane simba chisimbiso kana akasiyana static chisimbiso zvinhu.
Zhengxi inyanzvihydraulic press fekitori muChina, kupa high-qualitycomposite hydraulic pressyekugadzira zvigadzirwa zveCFRP.
Nguva yekutumira: May-25-2023
