Vachitarisana nedambudziko guru rekusvibiswa kwezvakatipoteredza, ruzivo rwekuchengetedzwa kwenharaunda rwakawedzera zvishoma nezvishoma, uye maitiro ekushandisa zvinhu zvechisikigo akakurawo. Hunhu hwefiber yemiti husingakuvadzi nharaunda, hwakareruka, hushoma hwesimba uye hunhu hwefiber yemiti hunodzokororwa hwakwezva kutariswa kukuru. Zvichaonekwa mune ramangwana. Pachava nekukura kwakanyanya. Zvisinei, fiber yemiti chinhu chakasiyana chine maumbirwo akaomarara uye chimiro, uye pamusoro payo pane hydrophilic hydroxyl groups. Kubatana ne matrix kunoda kurapwa kwakakosha kuti kunatsiridze hunhu hwe composite. Fibre yemiti inoshandiswa kune zvinhu zvakasanganiswa, asi mazhinji acho anongogumira kune fiber pfupi uye fibers dzisingachinji. Hunhu hwakanaka hwepakutanga hahuna kushandiswa zvizere, uye hunoshandiswa chete sefillers. Kana tikakwanisa kuunza tekinoroji yekuruka, mhinduro yakanaka. Preforms dzakarukwa nefiber yemiti dzinogona kupa sarudzo dzakawanda dzekushanda kwezvinhu zvakasanganiswa, asi parizvino hadzishandiswi zvakanyanya uye dzakakodzera kutsvagurudza nekuvandudzwa. Kana tikakwanisa kufunga patsva nezvenzira yechinyakare yekushandisa fiber, uye kuunza pfungwa dzemazuva ano dzemuchina wekugadzira fiber kuti tivandudze, tivandudze zvakanakira kushandiswa kwayo uye tivandudze zvikanganiso zvayo, zvichakwanisa kupa fiber dzemiti kukosha kutsva uye mashandisirwo adzo.
Fibre yemiti yagara isingasiyaniswi nehupenyu hwevanhu hwezuva nezuva. Nekuda kwehunhu hwayo huri nyore uye hunodzokororwa, fibre yemiti yave chinhu chakakosha muhupenyu hwevanhu. Zvisinei, nekufambira mberi kwetekinoroji uye kukwira kweindasitiri yemafuta, fibre nemapurasitiki zvakagadzirwa nevanhu zvakatora nzvimbo yefibre yemiti zvishoma nezvishoma sezvinhu zvikuru nekuda kwezvakanaka zvetekinoroji yekugadzira yakagadzirwa zvakanyanya, kusiyanisa zvigadzirwa uye kugara kwenguva refu kwakanaka. Zvisinei, peturu haisi chinhu chinogona kuvandudzwa, uye matambudziko ekurasa marara anokonzerwa nekurasa zvigadzirwa zvakadaro uye huwandu hwakawanda hwekusvibiswa kwemhepo panguva yekugadzira zvakaita kuti vanhu vafunge patsva nezvekushandiswa kwezvinhu. Pasi pemaitiro ekuchengetedza nharaunda nekuchengetedza, fibre yemiti yechisikigo yawana kutariswa. Mumakore achangopfuura, zvinhu zvakasanganiswa zvinoshandisa fibre yemiti sezvinhu zvinosimbisa zvakatanga kutariswa.
Fiber yemiti uye composite
Chimiro chemusanganiswa chinogona kugadzirwa nenzira yekugadzira. Fiber yakaputirwa ne matrix inopa chimiro chakakwana uye chakanangana chezvinhu, uye inodzivirira fiber kubva mukuora nekuda kwezvakatipoteredza, uye inoshandawo sebhiriji rekufambisa kushushikana pakati pefibers; nepo fiber inotakura simba guru rekunze nehunhu hwayo hwakanaka hwemuchina uye inogona kupfuura. Kurongeka kwacho kunobudirira mabasa akasiyana. Nekuda kwehuremu hwayo hushoma uye simba rakawanda, fiber yezvirimwa inogona kuvandudza hunhu hwemuchina uye kuchengetedza huremu hushoma kana yagadzirwa kuita FRP composites. Pamusoro pezvo, fiber yezvirimwa inonyanya kuve ma plant cell aggregates, uye maburi nemaburi ari mukati mayo anogona kuunza hunhu hwakanaka hwekupisa kuzvinhu. Pamberi pesimba rekunze (senge vibration), inobatsirawo kubva mukuora kwayo, izvo zvinoita kuti simba rikurumidze kupera. Uyezve, maitiro ese ekugadzira fiber yezvirimwa anoburitsa kusvibiswa kushoma uye anoshandisa makemikari mashoma, ane tembiricha yakaderera yekushanda, ane mukana wekushandiswa kwesimba shoma, uye mwero wekupfeka kwemuchina panguva yekugadzirisa wakadererawo; pamusoro pezvo, fiber yezvirimwa hunhu hwechisikigo Hunogona kudzokororwa, kugadzirwa kunoenderera mberi kunogona kuwanikwa pasi pekutarisira kwakanaka uye kudzora. Nerubatsiro rwetekinoroji yemazuva ano, kuora uye kuramba kushanda kwezvinhu mumamiriro ekunze kwave kuchidzorwa zvakanaka, kuitira kuti zvigone kuora mushure mehupenyu hwechigadzirwa, pasina kukonzera kuunganidzwa kwemarara, uye kabhoni inoburitswa nekuora inobvawo mukukura kwekutanga. Kabhoni inowanikwa mumhepo inogona kusabatanidzwa nekabhoni.
Nguva yekutumira: Chikumi-30-2021


