Kev Sib Piv Thiab Kev Txhim Kho Ntawm Cov Qub Thiab Tshiab Bulletproof Vest
Lub tsho tiv thaiv mos txwv yog ib lub tsho tiv thaiv zoo li cov cuab yeej siv los txo qhov kev puas tsuaj ntawm cov mos txwv, uas yog nruab los ntawm tub ceev xwm thiab tub rog.Cov tsho tiv no dav dav los ntawm rab yaj phom tua phom phom - tib yam tsis hais hom, style, khoom siv, thiab rab phom phom phom caliber.
Lub npe saum toj no yog ntau dua los yog tsawg dua kev dag ntxias, vim hais tias feem ntau ntawm cov khaub ncaws tiv thaiv no rau cov phom loj loj lossis phom loj tsuas yog me me los yog tsis muaj kev tiv thaiv, tsis hais hom mos txwv tsho khuam, style, khoom siv, los yog phom loj caliber (qhov kev zam no tsis tuaj yeem nyob hauv. Cov ntsiab lus dav dav .22 LR hom, uas feem ntau tuaj yeem tiv thaiv cov phom loj loj, phom phom phom loj.) Cov tsho tiv thaiv cov mos txwv no tau dav saib xyuas los ntawm rab yaj phom phom phom phom - tsis hais hom, hom, khoom siv, thiab rab phom phom phom caliber.
Qee hom mos txwv lub tsho khuam muaj hlau txuas ntxiv (steel lossis titanium) uas tuaj yeem muab ntxiv rau qee qhov tseem ceeb ntawm lub cev kom ntxiv qee cov ntaub ntawv ceramic los yog polyethylene los txhawb kev tiv thaiv.Yog tias cov mos txwv tsoo lub muab tub lim, cov kev tiv thaiv no tuaj yeem tiv thaiv txhua rab phom thiab qee cov phom ntev.Cov tsho khuam zoo li no tau dhau los ua tus qauv hauv kev siv tub rog ua ntej hauv kev siv tshuab ballistic kom lub tsho "Kevlar nkaus xwb" tsis ua haujlwm - CRISAT NATO tus qauv rau cov tsho khuam suav nrog African txhawb nqa.Qee lub tsho khuam kuj tsim los tiv thaiv riam phom.Raws li ib qho tseem ceeb ntawm cov cuab yeej tiv thaiv tus kheej, lub tsho tiv thaiv bulletproof tau dhau los ntawm kev hloov pauv ntawm cov ntaub thaiv npog hlau mus rau cov khoom siv uas tsis yog xim hlau, thiab cov txheej txheem ntawm kev tsim cov txheej txheem sib xyaw los ntawm cov khoom siv hluavtaws rau cov khoom siv hluavtaws thiab cov hlau armor phaj thiab ceramic panels.Tus qauv ntawm tib neeg cov cuab yeej cuab tam tuaj yeem taug qab mus rau lub sijhawm qub, lub teb chaws qub los tiv thaiv lub cev raug mob, muaj lub ntuj fiber ntau braid ua cov khoom siv hauv siab.Txoj kev loj hlob ntawm riam phom yuam cov tib neeg armor yuav tsum muaj qhov sib xws.Raws li thaum ntxov xyoo pua 19th, silk siv nyob rau hauv medieval armor nyob rau hauv Nyiv kuj tau siv nyob rau hauv American-made armor.Xyoo 1901, tom qab Thawj Tswj Hwm William McKenley raug tua, lub cev armor ua rau muaj kev nyiam ntawm US Congress.
Txawm hais tias lub tsho tiv thaiv cov mos txwv no tuaj yeem tiv thaiv cov mos txwv ceev ceev (qhov ceev ntawm 122 m / s), tab sis tsis tuaj yeem tiv thaiv cov mos txwv phom.Yog li ntawd, nyob rau hauv thawj lub ntiaj teb ua tsov ua rog, muaj tej yam ntuj tso fiber ntau ntaub rau cov khaub ncaws hauv ob sab phlu, nrog rau cov hlau phaj ua los ntawm mos mos tsho khuam.