1. Simba rekusimba
Simba rekusimba ndiro dambudziko guru rinogona kumiriswa nechinhu chisati chatambanudzwa. Zvimwe zvinhu zvisinganyanyi kusimba zvinoshanduka zvisati zvabvaruka, asiMafayi eKevlar® (aramid), firita dzekabhoni, uye firita dzeE-girazi hadzina kusimba uye dzinoputika dzisina kuchinja kukuru. Simba rekudhonza rinoyerwa sesimba pachikamu chimwe nechimwe (Pa kana Pascals).
2. Kuwanda uye Simba-ku-Huremu Ratio
Pakuenzanisa kuwanda kwezvinhu zvitatu, mutsauko mukuru mufiber nhatu unogona kuonekwa. Kana mienzaniso mitatu yehukuru nehuremu zvakafanana ikaitwa, zvinokurumidza kuoneka kuti fiber dzeKevlar® dzakareruka zvikuru, nefiber dzekabhoni dziri pedyo nesekondi.Magirazi e-eyakanyanya kurema.
3. Modulus yaYoung
Modulus yaYoung inzira yekuyera kuomarara kwechinhu chinonamira uye inzira yekutsanangura chinhu. Inotsanangurwa sechiyero chekusvuta kweuniaxial (mune rimwe divi) kune uniaxial strain (deformation mudivi rimwe chete). Modulus yaYoung = stress/strain, zvinoreva kuti zvinhu zvine modulus yaYoung yakakwira zvakaoma kupfuura zvine modulus yaYoung yakaderera.
Kuomarara kwekabhoni fiber, Kevlar®, uye girazi fiber kunosiyana zvikuru. Kabhoni fiber inoomarara kaviri pane aramid fibers uye inoomarara kashanu pane girazi fibers. Dambudziko rekuomarara kwakanaka kwekabhoni fiber nderokuti inowanzoomarara. Kana ikakundikana, inowanzo ratidza kusimba kwakanyanya kana kuchinja.
4. Kupisa uye kuora kwekupisa
Zvese Kevlar® nekabhoni fiber zvinodzivirira kupisa kwakanyanya, uye hapana kana imwe yacho inonyunguduka. Zvese zviri zviviri zvakashandiswa muzvipfeko zvinodzivirira uye machira asingatsvi. Fiberglass inozonyunguduka pakupedzisira, asi inodzivirirwawo kupisa kwakanyanya. Ehe, firita dzegirazi dzakagadzirwa nechando dzinoshandiswa muzvivakwa dzinogonawo kuwedzera kudzivirira kupisa.
Kabhoni fiber neKevlar® zvinoshandiswa kugadzira magumbeze ekudzivirira moto kana ekusonta kana mbatya. Magorovhosi ekevlar anowanzo shandiswa muindasitiri yenyama kudzivirira maoko pakushandisa mapanga. Sezvo shinda dzisingawanzo shandiswa dzoga, kudzivirira kupisa kwe matrix (kazhinji epoxy) kwakakoshawo. Kana yapiswa, epoxy resin inopfava nekukurumidza.
5. Kufambiswa kweMagetsi
Kabhoni fiber inofambisa magetsi, asi Kevlar® nefiberglassmusadaro. Kevlar® inoshandiswa pakudhonza waya mumidziyo yemagetsi. Kunyangwe isingafambise magetsi, inonwisa mvura uye mvura inotungamira magetsi. Saka, pendi isingapindi mvura inofanira kuiswa paKevlar mukushandiswa kwakadaro.
6. Kuparadzwa kweUV
Matayi eAramidichaora kana iine chiedza chezuva uye munzvimbo dzine UV yakawanda. Fiber dzekabhoni kana dzegirazi hadzinyanyi kubatwa nemwaranzi yeUV. Zvisinei, mamwe ma matrices akajairika akadai se epoxy resins anochengetwa muzuva uko anozochena uye anorasikirwa nesimba. Polyester ne vinyl ester resins dzinonyanya kubatwa neUV, asi hadzina kusimba pane epoxy resins.
7. Kuramba kuneta
Kana chikamu chikakombama uye chakatwasuka kakawanda, chinozopedzisira chakundikana nekuda kwekuneta.Faibha yekabhoniInonzwa kuneta zvishoma uye inowanzokundikana zvakanyanya, nepo Kevlar® ichinyanya kusimba kuneta. Fiberglass iri pakati.
8. Kuramba kweAbrasion
Kevlar® haikurumidzi kukwenywa, izvo zvinoita kuti zviome kucheka, uye imwe yenzira dzakajairika dzekushandisa Kevlar® ndeyekuchengetedza magirovhosi munzvimbo dzinogona kuchekwa maoko negirazi kana kuti panoshandiswa mapanga akapinza. Kabhoni negirazi hazvinyanyi kusimba.
9. Kusagona kushandisa makemikari
Matayi eAramidZvinonzwa simba remaacid, mabhesi nezvimwe zvinhu zvinokonzera oxidizing (semuenzaniso, sodium hypochlorite), izvo zvinogona kukonzera kuora kwefiber. Ordinary chlorine bleach (semuenzaniso Clorox®) uye hydrogen peroxide hazvigone kushandiswa neKevlar®. Oxygen bleach (semuenzaniso sodium perborate) inogona kushandiswa pasina kukuvadza aramid fibers.
10. Hunhu hwekubatana kwemuviri
Kuti firita dzekabhoni, Kevlar® negirazi zvishande zvakanaka, dzinofanira kubatwa munzvimbo yadzo mu matrix (kazhinji epoxy resin). Saka, kugona kwe epoxy kubatana nefirita dzakasiyana-siyana kwakakosha.
Zvese kabhoni uyemagirazi egiraziinogona kunamira nyore nyore ku epoxy, asi chisungo che aramid fiber-epoxy hachina kusimba sezvaidiwa, uye kunamatira uku kwakaderera kunoita kuti mvura ipinde. Nekuda kweizvozvo, nyore nyore kunoita aramid fibers kunwisa mvura, pamwe chete nekunamatira kusingadiwe ku epoxy, zvinoreva kuti kana pamusoro pe kevlar® composite pakakuvara uye mvura inogona kupinda, ipapo Kevlar® inogona kunwisa mvura iri pamwe chete nefibers uye kunetesa composite.
11. Penda uye ruka
Aramid igoridhe rakapfava muchimiro chayo chechisikigo, inogona kupendwa uye ikozvino inouya mumavara akawanda akanaka. Fiberglass inouyawo mumhando dzakasiyana dzemavara.Faibha yekabhoniinogara iri nhema uye inogona kusanganiswa nearamid ine mavara, asi haigone kupendwa pachayo.
Nguva yekutumira: Nyamavhuvhu-07-2024

