Kevlar - ndiye munhu chakaita zvokugadzirwa faibha, zita masayendisiti ari "wodna, polyparaphenylene terephthalamide." Muna 1965, zvakanga akakurukura US kambani Dupont. Nokuda kwayo simba mukuru (3620 MPa), yakasiyana vanodzivirira ehupfumi, chiedza uremu uye ductility, kevlar rave richishandiswa nevakawanda muminda siyana. Izvi zvinhu anokwanisa kumira kwenguva refu kwechirwere nezvimwe mitoro, haina akaremara.
1970-X yakachengeteka uye akavimbika hwakanyanya ezvinhu Kevlar kuisa rokutengesa kugadzirwa. Zvisinei, pakutanga akasikirwa kuti chisimbiso pamusoro motokari matai, kuti vawedzere simba ravo uye kuderedza uremu. Zvino mberi anobudirira tsika uyewo Akazadzisa internet optic uye mhangura netambo kudzivirira atsamwira uye tensile micheka yavo zvakasiyana - kupa kuramba kucheka hasha zvinofurira. Zvikurukuru, machira yakadai unodzivirira padding mu chipfeko vatambi nengowani zvechiuto uye Kevlar Magorovhosi Chipfeko. Hondo dzakawanda munyika vava uye Kevlar, kushandisa ayo zvemaziso ehupfumi, rinoshandiswa achishingaira mune zvechiuto michina uye kuchengeteka mabasa. Muenzaniso wakadzama kushandiswa dzakadaro bara uchapupu vanamajasi.
zvigadzirwa zvose zviri Kevlar vane yakakwirira kupisa kurwisa kuramba acids uye alkalis. Excellent mhinduro dziri jira Magorovhosi Chipfeko pamwe kevlar: mu mukugadzira ngozi, riri chokuita nezvaanogona ose maronda negirazi kana jira simbi, zvachose kuonana tsvuku-inopisa zvinhu (kusvika 100 ° C), yaigadzira zvokudya, zvokuimba engineering, zvokufambisa regirazi uye mamwe marudzi kwavari basa irreplaceable. Kevlar Magorovhosi Chipfeko chete yakagadzirirwa kudzivirira maoko kubva cheka panguva Somuenzaniso, vakawanda nokuveza hove, shiri, nyama, michero nemiriwo. Vane lightweight uye rokunyaradza - mumaoko avo, "fema", kusanduka zvakakwana kuchengeta aikanganiswa kwemaoko uye kubvumira kuti vashande zvidiki, uyewo kupa kwazvo kubata - nyoro (wezvakakora) uye yakaoma. magiravhusi izvi anogadzirwa pasina musono uye inosiyana, saka vose kuwana nyore mushonga. Kevlar Magorovhosi Chipfeko zvinogona kushandiswa kwete chete sebhanditiwo magiravhusi, asi uyewo lining, uye sezvo michina. Havazivi zvinoda kutarisirwa. Geza vanogona kuva pa 40 ° C ane kwazvakarerekera sipo, uye kudiwa aome mumupanda tembiricha. Unogona kutora navo inowachwa kana uchida. Mushure akadzokorora kushandiswa uye Kusuka magiravhusi (Mittens) Kevlar kuramba kwavo anodzivirira zvivako, chimiro uye chitarisiko, uye nokudaro lifespan ravo guru zvakakwana.
Well nekusimba siyana mabasa Kevlar inoshandiswa mumitambo. Skiers, racers, mudhudhudhu racers uye yebaseball vatambi vanofara kushandisa Kevlar Magorovhosi Chipfeko. Dzavo kuomarara, rova kuzvidzivirira uye kupisa kuramba kunogona kuderedza uwandu akuvara kana kunyange kudzivisa navo.
Asi Kevlar pamwe chisingarambiki zvakanakira ane zvimwe zvazvakaipira. At zvakakwana yakakwirira tembiricha (430-480 ° C) nayo uchiora, asi pane imwe tembiricha kupfuura 150 ° C usisavaviri. The kudziyisa zvazvingava uye nguva Chokwadi, kukonzera. Saka, maawa anopfuura 70 dzokuteerera kuti tembiricha kuti C kevlar Magorovhosi Chipfeko anenge 250 ° vanorasikirwa 50% yesimba rayo. Yakaderera tembiricha (-190 ° C), nekusiyana, simba uye elasticity vari kuchengetedzwa. Asi muupenyu hwezuva nezuva hazvibviri kusika ezvinhu kuti aizoparadza samolecular maumbirwo Kevlar.