Mune inoumbwa zvinhu, kuita kwefiberglass sechinhu kiyi yekusimbisa chikamu zvakanyanya zvinoenderana nekugona kwekubatana pakati pefiber uye matrix. Kusimba kweichi chisungo chemukati chinotarisa kushushikana kwekufambisa simba kana girasi fiber iri pasi pemutoro, pamwe nekugadzikana kwegirazi fiber kana simba rayo rakakwirira. Kazhinji, kubatana kwemukati pakati pefiberglass uye matrix zvinhu hazvina kusimba, izvo zvinorambidza kushandiswa kwefiberglass mune yakakwirira-inoita composite zvinhu. Naizvozvo, kushandisa saizi yekupfekedza ajenti kukwidziridza chimiro chemukati uye kusimbisa iyo yepakati bonding ndiyo nzira yakakosha yekuvandudza mashandiro egirazi fiber composite.
A sizing agent inoumba molecular layer pamusoro pefiberglass, iyo inogona kunyatso dzikisa tension yemukati, ichiita kuti fiberglass iwedzere hydrophilic kana oleophilic kuvandudza kuenderana nematrix. Semuyenzaniso, kushandisa saizi mumiririri ine makemikari anoshanda mapoka anogona kugadzira kemikari zvisungo nefiberglass pamusoro, zvichiwedzera kuwedzera kusimba kwechisungo chemukati.
Tsvagiridzo yakaratidza kuti nano-level sizing agents vanogona kupfekedza iyo fiberglass pamusoro zvakanyanya kufanana uye kusimbisa mechanic uye kemikari chisungo pakati pefiber uye matrix, nekudaro zvinobudirira kuvandudza michina yefiber. Panguva imwecheteyo, iyo yakakodzera saizi mumiriri yekugadzira inogona kugadzirisa pamusoro pesimba refayibha uye kushandura kunyorova kwefiberglass, zvichitungamira kune yakasimba yepakati adhesion pakati pefiber uye akasiyana matrix zvinhu.
Akasiyana-siyana ekuputira maitiro anewo akakosha mhedzisiro pakuvandudza iyo interfacial bond simba. Semuyenzaniso, plasma-yakabatsirwa coating inogona kushandisa ionized gasi kurapa iyogirazi fiberpamusoro, kubvisa organic zvinhu uye tsvina, kuwedzera basa repamusoro, uye nekudaro kuvandudza kusungirirwa kweiyo saizi mumiriri kune iyo fiber pamusoro.
Iyo matrix zvinhu pachayo inoitawo basa rakakosha mukubatanidza kumeso. Kugadzira mitsva yematrix maumbirwo ayo ane akasimba makemikari affinity kune yakarapwa magirazi fibers inogona kutungamira kukuvandudza kwakakosha. Semuyenzaniso, matrices ane huwandu hwakanyanya hwemapoka anochinja anogona kuumba mamwe akasimba covalent zvisungo nesaizi ajenti pane fiber pamusoro. Uyezve, kugadzirisa iyo viscosity uye kuyerera zvivakwa zvematrix zvinhu zvinogona kuve nechokwadi chekumisikidzwa kwefiber bundle, kuderedza voids uye hurema pane iyo interface, inova sosi yekushaya simba.
Iyo nzira yekugadzira pachayo inogona kuvandudzwa kuti ivandudze interfacial bonding. Techniques likevacuum infusionkanaresin kutumira kuumba (RTM)inogona kuve nechokwadi chekuwedzera yunifomu uye yakazara wetting yegirazi fibersnematrix, kubvisa mahomwe emhepo anogona kuderedza chisungo. Pamusoro pezvo, kushandisa dzvinyiriro yekunze kana kushandisa inodzorwa tembiricha kutenderera panguva yekurapa kunogona kusimudzira hukama hwepedyo pakati pefiber uye matrix, zvichitungamira kune yakakwira dhigirii yekuyambuka-yekubatanidza uye yakasimba interface.
Kuvandudza iyo inopindirana yekubatana kwesimba regirazi fiber composite inzvimbo yakakosha yekutsvagisa ine yakakosha inoshanda maapplication. Nepo kushandiswa kwemasaizi maajenti uye akasiyana ekubatisa maitiro ari musimboti wekuedza uku, kune akati wandei mamwe nzira dziri kuongororwa kuti uwedzere mashandiro.
Nguva yekutumira: Sep-04-2025
