Kev Ua Tau Zoo: Cov Kws Tshaj Lij Hauv Kev Lag Luam Ceeb Toom Txog Kev Pheej Hmoo Kev Nyab Xeeb Hauv Kev Tsim Khoom Tsis Zoo
Hauv lub ntiaj teb kev tiv thaiv ballistic uas muaj kev pheej hmoo siab, cov txheej txheem molding ntawm cov khoom tsis yog hlaucov kaus mom hlau ballistictau tshwm sim los ua ib qho tseem ceeb hauv kev tiv thaiv cov tub rog, cov tub ceev xwm, thiab cov kws tshaj lij kev ruaj ntseg. Cov neeg ua haujlwm hauv kev lag luam thiab kev nce qib thev naus laus zis tsis ntev los no qhia tau tias kev ua pwm tsis zoo tuaj yeem ua rau lub kaus mom hlau tsis ua haujlwm zoo, thaum kev tsim khoom raug ua kom ntseeg tau tias ua raws li cov qauv kev nyab xeeb thoob ntiaj teb thiab ua kom cov neeg siv muaj sia nyob ntau tshaj plaws.
Cov hlau tsis yog hlaucov kaus mom hlau ballistic, tam sim no yog tus qauv kev lag luam vim lawv lub cev sib dua thiab xis dua piv rau cov hlau qub, vam khom cov khoom siv sib xyaw ua ke xws li aramid (Kevlar), ultra-high-molecular-weight polyethylene (UHMWPE), thiab carbon fiber. Cov ntaub ntawv no tau muab tso ua cov ntaub ua ntej impregnated (prepregs) thiab ua los ntawm compression molding - ib qho txheej txheem uas qhov kub, siab, thiab pwm tsim ncaj qha txiav txim siab qhov khoom kawg. "Theem molding yog qhov uas lub kaus mom hlau lub peev xwm tiv thaiv tau raug forged," piav qhia Dr. Elena Marquez, tus kws tshaj lij ntawm International Ballistic Protection Association (IBPA). "Txawm tias qhov tsis sib xws me me hauv kev faib siab lossis kev tswj kub tuaj yeem tsim cov qauv tsis muaj zog uas ua tsis tiav thaum muaj kev cuam tshuam."
Cov Kev Pheej Hmoo ntawm Kev Ua Pwm Tsis Zoo
Kev siv hydraulic press molding ib txwm muaj, tseem siv dav hauv kev tsim khoom pheej yig, feem ntau ua rau muaj kev siv siab tsis sib xws tsuas yog rau cov kev taw qhia ntsug xwb. Qhov tsis zoo no ua rau lub plhaub kaus mom hlau tuab tsis sib xws, tshwj xeeb tshaj yog nyob rau hauv pem hauv ntej uas qhov nqes hav mos mos tau txais lub zog compression tsawg dua. Cov ntaub ntawv sim los ntawm IBPA qhia tau hais tias cov kaus mom hlau tsis zoo feem ntau pom qhov tob ntawm qhov nkag mus rau pem hauv ntej tshaj 30 hli thaum raug rau 54-hom phom (445 ± 10m / s), ua tsis tau raws li Tuam Tshoj tus qauv GA 293-2012 uas yuam kom muaj qhov nkag mus rau pem hauv ntej siab tshaj 30 hli. Tsis tas li ntawd, qhov siab tsis sib xws ua rau cov qauv fiber puas tsuaj raws ntug ntawm lub kaus mom hlau, txo qhov kev tiv thaiv rau cov khoom tawg ceev ceev - nrog V50 tus nqi (qhov ceev uas 50% ntawm cov khoom tawg nkag mus) poob qis dua 610m / s uas xav tau teev tseg hauv GJB 5115A-2012 tus qauv.
Kev pwm tsis zoo kuj ua rau cov resin sib xyaw tsis zoo ntawm cov txheej fiber. "Thaum prepregs tsis raug nias kom sib npaug, cov qhov cua tsim, thiab kev faib cov resin ua tsis ruaj khov," Mark Williams, tus thawj coj tsim khoom ntawm lub tuam txhab tsim khoom siv ballistic hais. "Cov qhov khoob no ua haujlwm ua cov chaw tsis muaj zog, tso cai rau cov projectiles lossis shrapnel nkag mus rau hauv lub kaus mom lossis xa cov zog kinetic ntau dhau mus rau tus neeg hnav lub taub hau." Cov teeb meem no tau txuas nrog 40% nce ntxiv ntawm kev pheej hmoo raug mob hlwb hauv kev sim teb, raws li kev tshawb fawb xyoo 2025 luam tawm hauv Ordnance Material Science and Engineering.
Kev Txhaj Tshuaj Moulding Uas Zoo: Txoj Kev Mus Rau Kev Tiv Thaiv Zoo Tshaj Plaws
Kev nce qib hauv kev siv tshuab isostatic pressing tau daws cov teeb meem no los ntawm kev siv lub zog sib npaug los ntawm txhua qhov kev taw qhia, ua raws li Pascal txoj cai.
Cov yam tseem ceeb hauv kev txhaj tshuaj precision suav nrog kev tswj qhov kub (170–180 ℃ rau cov khoom sib xyaw ua los ntawm phenolic resin), qib siab (7–8kg/cm²), thiab lub sijhawm nyob (10–15 feeb). Cov tshuab tsis siv neeg saib xyuas cov kev hloov pauv no hauv lub sijhawm tiag tiag, tiv thaiv kev kub dhau uas ua rau cov fibers UHMWPE puas tsuaj (uas xav tau qhov kub qis dua 130 ℃) lossis kev tsis muaj siab uas ua rau cov khaubncaws sab nraud tsis sib txuas. Cov txheej txheem kuj tseem koom ua ke cov txheej txheem txiav ntug, txo cov kev puas tsuaj tom qab txhaj tshuaj rau cov npoo fiber uas tuaj yeem ua rau lub zog ntawm cov qauv tsis zoo.
Kev Hu Xov Tooj Rau Kev Saib Xyuas Zoo Hauv Kev Lag Luam
Raws li kev thov thoob ntiaj teb rau cov kaus mom hlau ballistic loj hlob tuaj, cov koom haum tswj hwm tab tom hais txog qhov zoo ntawm kev txhaj tshuaj hauv cov txheej txheem ntawv pov thawj. NIJ (Lub Koom Haum Kev Ncaj Ncees Hauv Tebchaws) hauv Tebchaws Meskas thiab Tuam Tshoj Ministry of Public Security tam sim no xav kom cov tuam txhab tsim khoom xa cov ntaub ntawv txheej txheem molding nrog rau cov txiaj ntsig ntawm kev sim cuam tshuam. "Daim ntawv pov thawj ntawm lub kaus mom hlau
"n tsuas yog ntseeg tau raws li nws qhov kev ua tau zoo tas li," IBPA's Marquez hais. "Cov neeg yuav khoom yuav tsum xyuas kom meej tias cov chaw tsim khoom siv cov txheej txheem molding precision, tsis yog tsuas yog cia siab rau qhov zoo ntawm cov khoom siv raw."
Rau cov neeg siv kawg, qhov cuam tshuam yog qhov tseeb: lub kaus mom hlau lub peev xwm los cawm txoj sia nyob ntawm qhov ua haujlwm ntawm nws cov txheej txheem molding. "Thaum cov tub ceev xwm muab tso rau ntawm alub kaus mom hlau ballistic, lawv ntseeg tias nws ua haujlwm tau zoo thaum muaj kev ntxhov siab heev, "Williams ntxiv. "Qhov kev ntseeg siab ntawd tau tsim nyob rau hauv pwm - qhov chaw uas kev tsim kho precision hloov cov fibers sib xyaw ua ke rau hauv kev tiv thaiv impeccable."
Nrog rau kev tsim kho tshiab ntawm thev naus laus zis txuas ntxiv txhim kho cov txheej txheem molding, kev lag luam txav mus ze rau kev tshem tawm cov kev ua tsis tiav uas tiv thaiv tau, kom ntseeg tau tias cov neeg nyob rau pem hauv ntej muaj kev nkag mus rau cov khoom siv uas ua tau raws li cov qauv siab tshaj plaws ntawm kev nyab xeeb thiab kev ua tau zoo.
Lub sijhawm tshaj tawm: Lub Ib Hlis-13-2026