Cov tsheb tub rog tau ib txwm ua los ntawm hnyav, kim, tab sis cov cuab yeej muaj zog muaj zog. Cov khoom siv sib xyaw ua ke niaj hnub no tau siv ntau ntxiv los tiv thaiv kev tiv thaiv rau cov tsheb sib ntaus. Qhov txiaj ntsig tseem ceeb ntawm cov khoom siv no yog tus nqi qis dua, txhim kho kev tiv thaiv thiab txo qhov hnyav ntau dua ib nrab. Xav txog cov khoom siv niaj hnub niaj hnub siv niaj hnub no rau kev tiv thaiv pob
Vim tias nws muaj peev xwm tiv taus qhov kub thiab txias ntau, siab dua li ntawm cov hlau, tawv, lub zog tshwj xeeb tshaj plaws thiab qhov tshwj xeeb nruj, cov nplais pob zeb tau siv dav rau kev tsim cov hlua rau cov cav, cov khoom siv foob pob hluav taws, txiav ntug ntawm cov cuab yeej, tshwj xeeb pob tshab thiab cov ntaub thaiv npog tsis pom kev, uas, ntawm chav kawm, yog ntawm cov haujlwm tseem ceeb rau kev txhim kho cov tub rog. Txawm li cas los xij, yav tom ntej, thaj tsam ntawm nws daim ntawv thov yuav tsum nthuav dav, txij li nyob rau hauv lub moj khaum ntawm kev tshawb fawb thiab kev txhim kho ua nyob rau ntau lub tebchaws hauv ntiaj teb, txoj hauv kev tshiab ntawm kev nce yas yas, tawg tsis ua hauj lwm thiab lwm yam khoom siv tau zoo tau tshawb fawb los ntawm sib xyaw ua ke cov hauv paus puag nrog ntxiv dag zog rau cov fibers hauv qhov hu ua ceramic matrix. cov khoom sib xyaw (KMKM). Tsis tas li, cov thev naus laus zis tsim khoom tshiab yuav tso cai rau kev tsim khoom ntau ntawm cov khoom ruaj khov, cov khoom lag luam zoo pob tshab ntawm cov duab nyuaj thiab qhov loj me los ntawm cov khoom siv uas pom pom thiab nthwv dej infrared. Ib qho ntxiv, kev tsim cov txheej txheem tshiab uas siv nanotechnology yuav ua rau nws muaj peev xwm kom tau txais lub zog ruaj khov thiab lub teeb yuag, tiv taus cua sov, tiv taus tshuaj lom neeg thiab, tib lub sijhawm, cov ntaub ntawv tsis tsim nyog. Qhov sib xyaw ua ke ntawm cov cuab yeej niaj hnub no suav hais tias yog ib qho tshwj xeeb thiab yog li txaus nyiam rau kev siv tub rog.
Ceramic-matrix cov khoom sib xyaw (KMKM)
Zoo li lawv cov polymer sib piv, CMCs suav nrog cov khoom siv hauv paus, hu ua matrix, thiab cov khoom siv txhawb ntxiv, uas yog cov khoom lossis cov fibers ntawm lwm cov khoom. Fibers tuaj yeem txuas ntxiv lossis txiav txim siab, ua ntu zus, muab tso rau ntawm cov ces kaum ncaj, cuam tshuam rau hauv txoj hauv kev tshwj xeeb kom tau txais kev muaj zog thiab nruj nyob hauv cov lus qhia, lossis faib ncaj qha rau txhua qhov kev qhia. Txawm li cas los xij, xijpeem qhov sib xyaw ua ke ntawm cov ntaub ntawv lossis kev qhia fiber ntau yog, kev sib koom ntawm cov lej thiab cov khoom txhawb ntxiv yog qhov tseem ceeb rau cov khoom ntawm cov khoom. Txij li cov polymers tsis nruj dua li cov khoom siv uas txhawb lawv, kev sib koom ua ke ntawm cov matrix thiab cov fibers feem ntau muaj zog txaus kom tso cai rau cov khoom kom tiv taus dabtsi yog khoov tag nrho. Txawm li cas los xij, nyob rau hauv rooj plaub ntawm CMCM, qhov sib piv tuaj yeem ua kom nruj dua li cov cuab yeej txhawb nqa kom lub zog sib txuas, zoo ib yam li ua kom pom kev me me delocalization ntawm fiber thiab matrix, pab nqus cov zog cuam tshuam, piv txwv li, thiab tiv thaiv kev txhim kho ntawm cov kab nrib pleb. uas yuav txwv tsis pub coj mus rau qhov tawg tawg thiab tawg. Qhov no ua rau CMCM muaj qhov khov ntau dua hauv kev sib piv nrog cov khoom siv ntshiab, thiab qhov no yog qhov tseem ceeb tshaj plaws ntawm cov khoom ntawm cov khoom thauj khoom hnyav, piv txwv li, ib feem ntawm lub tshuab dav hlau.
Hnav khaub ncaws hnyav thiab kub
Thaum Lub Ob Hlis 2015, GE Aviation tshaj tawm qhov kev sim ua tiav ntawm qhov nws hu ua "lub ntiaj teb thawj cov khoom siv CMC uas tsis zoo li qub rau lub tshuab dav hlau," txawm hais tias lub tuam txhab tsis tau tshaj tawm cov ntaub ntawv siv rau hauv matrix thiab cov cuab yeej txhawb nqa. Peb tab tom tham txog cov tshuab cua tshuab qis hauv qhov kev sim ntawm F414 turbofan cav, kev txhim kho uas yog lub hom phiaj los muab kev pom zoo ntxiv ntawm cov khoom ua raws li kev tshaj tawm yuav tsum tau ua haujlwm ntawm kev poob siab. Cov dej num no yog ib feem ntawm Adaptive Engine Technology Demonstrator (AETD) Next Generation Self-Adaptive Engine Demonstration Program, uas GE tau koom tes nrog Asmeskas Kev Tshawb Fawb Txog Kev Tshawb Fawb Kev Tshawb Fawb. Lub hom phiaj ntawm AETD txoj haujlwm yog txhawm rau muab cov thev naus laus zis tseem ceeb uas tuaj yeem siv tau hauv cov tshuab ntawm cov neeg sib ntaus thib rau thiab pib thaum nruab nrab xyoo 2020, hauv cov tshuab ntawm lub dav hlau thib tsib, xws li F-35. Cov khoos phis tawj hloov kho yuav tuaj yeem hloov kho lawv qhov siab nce thiab hla kev sib piv hauv kev ya dav hlau txhawm rau kom tau txais qhov siab tshaj plaws thaum tawm mus thiab hauv kev sib ntaus sib tua, lossis kev siv roj ntau tshaj hauv kev caij nkoj.
Lub tuam txhab hais txog qhov kev taw qhia ntawm cov khoom sib hloov ua los ntawm CMC mus rau "qhov kub tshaj plaws thiab hnyav tshaj plaws" feem ntawm lub dav hlau cav nruab nrab yog qhov muaj txiaj ntsig zoo, txij li yav tas los thev naus laus zis tau tso cai siv CMC tsuas yog tsim cov khoom nyob ruaj ruaj, piv txwv li, siab-siab turbine shroud. Thaum lub sijhawm ntsuas, KMKM lub tshuab hluav taws xob hauv F414 lub cav tau mus txog 500 lub voj voog - los ntawm qhov tsis ua haujlwm nrawm mus rau lub zog thiab rov qab.
Lub tshuab cua tshuab tuaj yeem sib zog ntau dua li cov pa roj carbon monoxide nickel, uas tso cai rau cov hlau hlau uas lawv tau txuas nrog kom me dua thiab sib dua, lub tuam txhab tau hais.
"Kev hloov pauv los ntawm cov hlau npib tsib xee rau tig cov khoom siv sab hauv lub cav yog qhov dhia loj heev rau pem hauv ntej. Tab sis nws yog cov neeg kho tshuab dawb huv, "hais tias Jonathan Blank, lub taub hau ntawm CMC thiab cov nplaum polymer ntawm GE Aviation. - Cov hniav sib zog tsim tsawg zog centrifugal. Qhov no txhais tau tias koj tuaj yeem txo cov disc, cov kabmob thiab lwm qhov chaw. KMKM ua rau nws muaj peev xwm hloov pauv qhov hloov pauv ntawm kev tsim lub dav hlau cav ".
Lub hom phiaj ntawm AETD txoj haujlwm yog txhawm rau txo qis kev siv roj tshwj xeeb los ntawm 25%, ua kom dav dav dav dav ntau dua 30% thiab nce qhov siab tshaj 10% piv rau cov sib ntaus sib tua thib 5. Dan McCormick, Advanced Combat Engine Program Manager Manager ntawm GE Aviation tau hais tias "Ib qho ntawm cov teeb meem loj tshaj plaws hauv kev txav los ntawm cov khoom siv CMC zoo li qub mus rau cov khoom sib hloov yog qhov kev nyuaj siab uas lawv yuav tsum ua haujlwm." Nyob rau tib lub sijhawm, nws hais ntxiv tias kev sim F414 lub cav tau ua tiav cov txiaj ntsig tseem ceeb uas yuav siv rau hauv kev hloov pauv lub cav. "Lub tshuab hluav taws xob qis CMC hnyav peb zaug tsawg dua li cov hlau hlau nws hloov pauv, ntxiv rau, hauv kev lag luam thib ob, tsis tas yuav tsum txias CMC hniav nrog cua. Tam sim no cov hniav yuav ua haujlwm tau zoo dua qub vim tias tsis tas yuav tsum tso txhua qhov cua txias los ntawm nws."
KMKM cov ntaub ntawv, uas lub tuam txhab hais tias nws tau nqis peev ntau dua ib txhiab daus las txij li nws tau pib ua haujlwm rau lawv thaum ntxov 90s, tuaj yeem tiv taus qhov kub tau ntau pua qib siab dua li cov xaim npib tsib xee ib txwm thiab muaj qhov tshwj xeeb los ntawm silicon carbide fiber reinforcement hauv cov xim sib xyaw ua ke., uas ua rau nws muaj zog cuam tshuam thiab tawg tsis kam.
GE zoo li tau ua qee qhov haujlwm zoo nkauj ntawm cov tshuab cua tshuab. Qhov tseeb, qee qhov khoom siv ntawm KMKM yog qhov coj tau zoo heev. Piv txwv li, lub zog tensile yog piv rau lub zog tensile ntawm tooj liab thiab pheej yig txhuas alloys, uas tsis zoo heev rau cov khoom uas raug rau lub zog loj centrifugal. Ib qho ntxiv, lawv nthuav tawm qhov qis qis ntawm so, uas yog, lawv nthuav tawm me ntsis ntawm kev so. Txawm li cas los xij, cov kev tsis txaus no zoo li tau kov yeej, thiab qhov hnyav ntawm cov ntaub ntawv no tau ua rau muaj txiaj ntsig zoo rau txoj kev yeej ntawm cov thev naus laus zis tshiab.
Modular armor nrog nanoceramic rau LEOPARD 2 tank
Kev pab tiv thaiv cov cuab yeej ua rog
Txawm hais tias kev tiv thaiv thev naus laus zis, uas yog kev sib xyaw ua ke ntawm cov hlau, cov khoom siv fiber ntau ntxiv cov tshuaj polymer thiab cov iav, tau tsim tau zoo, kev lag luam txuas ntxiv txhim kho cov ntaub ntawv sib xyaw ua kom yooj yim dua, tab sis ntau yam ntawm cov txheej txheem no tau ua tib zoo zais. Morgan Cov Khoom Siv Zoo tau paub zoo hauv thaj chaw, tshaj tawm qhov khoom plig ntawm Armored Vehicles XV lub rooj sib tham hauv London xyoo tas los rau nws SAMAS tiv thaiv thev naus laus zis. Raws li Morgan, SAMAS kev tiv thaiv siv dav hauv British Army cov tsheb yog cov khoom siv sib xyaw ua ke nrog cov khoom siv xws li S-2 iav, E-iav, aramid thiab polyethylene, tom qab ntawd tsim rau hauv cov ntawv thiab kho nyob rau hauv siab: "Fibers tuaj yeem ua ke nrog cov khoom siv sib xyaw ua ke cov hlau-hlau kom tau raws li kev tsim tshwj xeeb thiab kev ua tau zoo."
Raws li Morgan, SAMAS cov cuab yeej nrog tag nrho cov tuab ntawm 25 hli, siv rau kev tsim cov tshuaj tiv thaiv kab mob ntawm cov neeg coob, tuaj yeem txo qhov hnyav ntawm lub tsheb tiv thaiv lub teeb los ntawm ntau dua 1000 kg piv rau cov tsheb nrog cov hlau ntsaws. Lwm cov txiaj ntsig suav nrog kho vaj tsev yooj yim nrog tsawg dua 5mm tuab tuab thiab lub hauv paus spall liner cov khoom ntawm cov khoom no.
Qhia meej spinel kev nce qib
Raws li Asmeskas Kev Tshawb Fawb Kev Tshawb Fawb Hauv Tebchaws, kev txhim kho thiab tsim cov khoom siv pob tshab raws li magnesium aluminium oxide (MgAI2O4), kuj tseem paub ua ke ua cov khoom cua dag, tab tom loj hlob. Spinels tau paub ntev tsis yog rau lawv lub zog - 0.25 "tuab spinel muaj cov yam ntxwv zoo ib yam li 2.5" iav tiv thaiv mos txwv - tab sis kuj yog qhov nyuaj ntawm kev ua qhov loj nrog qhov tsis sib xws. Txawm li cas los xij, ib pawg kws tshawb fawb los ntawm lub chaw sim tshuaj no tau tsim txheej txheem tshiab rau qhov kub thiab txias sintering hauv lub tshuab nqus tsev, uas tso cai rau koj kom tau ib feem nrog qhov ntev txwv tsuas yog qhov loj me ntawm cov xovxwm. Qhov no yog qhov kev kov yeej loj piv rau cov txheej txheem tsim khoom yav dhau los, uas tau pib nrog txheej txheem ntawm kev yaj cov hmoov thawj hauv cov yaj yaj kiab.
Ib qho zais cia ntawm cov txheej txheem tshiab yog kev faib khoom sib xyaw ntawm cov lithium fluoride (LiF) sintering additive, uas yaj thiab ua kom cov kua txiv hmab txiv ntoo sib xyaw kom lawv tuaj yeem faib ua ke thaum lub sijhawm ua sintering. Hloov chaw qhuav sib xyaw lithium fluoride thiab hmoov sib tov sib xyaw, lub chaw sim tshuaj tau tsim ib txoj hauv kev los ua kom cov xim sib xyaw sib xyaw ua ke nrog cov tshuaj lithium fluoride. Qhov no tso cai rau koj txo qis kev siv LiF thiab ua kom lub teeb xa mus txog 99% ntawm cov txiaj ntsig theoretical hauv thaj tsam pom thiab nruab nrab-infrared ntawm cov spectrum (0.4-5 microns).
Tus txheej txheem tshiab, uas tso cai rau kev tsim cov khoom siv kho qhov muag hauv ntau yam duab, suav nrog cov ntawv uas haum zoo nrog cov tis ntawm lub dav hlau lossis drone, tau ntawv tso cai los ntawm lub tuam txhab tsis qhia npe. Cov ntawv thov ua tau rau spinel suav nrog iav tiv thaiv uas hnyav tsawg dua ib nrab ntawm cov iav uas twb muaj lawm, tiv thaiv lub qhov ncauj rau cov tub rog, kho qhov muag rau lub lasers tiam tom ntej, thiab tsom iav tsom iav ntau lub ntsej muag. Thaum tsim khoom loj, piv txwv li, tsom iav tiv taus tawg rau lub xov tooj ntawm tes thiab ntsiav tshuaj, tus nqi ntawm cov khoom lag luam spinel yuav poob qis.
PERLUCOR - qhov tseem ceeb tshiab hauv kev tiv thaiv mos txwv thiab hnav
CeramTec-ETEC tsim PERLUCOR pob zeb ci ob peb xyoos dhau los nrog kev cia siab zoo rau kev tiv thaiv thiab kev siv pej xeem. Lub cev zoo, tshuaj lom neeg thiab khoom siv zoo ntawm PERLUCOR yog lub hauv paus tseem ceeb rau kev ua tiav kev lag luam nkag los ntawm cov khoom no.
PERLUCOR muaj qhov txheeb ze zoo dua li 90%, yog peb mus rau plaub zaug muaj zog dua thiab hnyav dua li iav zoo tib yam, cov cua sov tiv taus ntawm cov khoom no yog kwv yees li peb zaug siab dua, uas tso cai rau nws siv rau qhov kub txog 1600 ° C, nws kuj muaj cov tshuaj tiv thaiv tsis tshua muaj siab, qhov no tso cai siv nws nrog cov kua qaub thiab alkalis. PERLUCOR muaj qhov ntsuas hluav taws xob siab (1, 72), uas ua rau nws muaj peev xwm tsim cov hom phiaj kho qhov muag thiab cov khoom siv kho qhov muag ntawm qhov ntev me me, uas yog, kom tau txais cov cuab yeej nrog lub zog loj, uas tsis tuaj yeem ua tiav nrog polymers lossis iav. PERLUCOR cov vuas luaj ceramic muaj tus qauv loj ntawm 90x90 hli; Txawm li cas los xij, CeramTec-ETEC tau tsim thev naus laus zis rau kev tsim cov ntawv nyuaj ua raws cov qauv no raws li cov neeg siv khoom tshwj xeeb. Lub thickness ntawm lub vaj huam sib luag tuaj yeem yog qhov tshwj xeeb yog kaum ntawm ib millimeter, tab sis, raws li txoj cai, nws yog 2-10 hli.
Kev txhim kho ntawm cov khoom sib zog thiab ua kom zoo dua qub ntawm kev tiv thaiv pob tshab rau kev tiv thaiv kev lag luam tau nce zuj zus. Kev koom tes tseem ceeb rau cov txheej txheem no yog ua los ntawm cov pob zeb ci ntsa iab ntawm SegamTes lub tuam txhab, uas yog ib feem ntawm kev tiv thaiv kab ke ntawm ntau lub tuam txhab. Thaum kuaj pom raws li STANAG 4569 lossis APSD, qhov hnyav txo yog nyob rau hauv qhov kev txiav txim ntawm 30-60 feem pua.
Nyob rau xyoo tsis ntev los no, lwm qhov kev taw qhia hauv kev tsim cov thev naus laus zis tsim los ntawm SegatTes-ETEC tau hloov pauv. Lub qhov rais tsheb, tshwj xeeb tshaj yog nyob rau thaj chaw muaj pob zeb thiab suab puam xws li Afghanistan, muaj feem cuam tshuam rau pob zeb thiab khawb los ntawm kev txav ntawm cov hniav tuaj rau ntawm cov xuab zeb, lub plua tshauv plua tshauv. Tsis tas li, cov yam ntxwv ntawm lub iav tsom iav uas tiv taus pob zeb tsoo raug puas ntsoog. Thaum muaj kev tawm tsam, cov tsheb uas muaj iav tawg tau raug teeb meem loj thiab tsis tuaj yeem kwv yees tau. SegamTes-ETEC tau tsim qhov kev tsim kho tshiab tiag tiag thiab yog thawj qhov kev daws teeb meem los tiv thaiv iav los ntawm hom hnav. Ib txheej nyias nyias (<1 hli) ntawm PERLUCOR txheej txheej ntawm daim iav sab nrauv pab kom ua tiav qhov kev puas tsuaj no. Qhov kev tiv thaiv no tseem tsim nyog rau cov cuab yeej kho qhov muag xws li tsom iav tsom iav, tsom iav, khoom siv hluav taws xob thiab lwm yam ntsuas. Lub tiaj tiaj nrog rau cov iav lo ntsiab muag ua los ntawm PERLUCOR cov khoom siv ntshiab ua kom lub neej muaj sia ntawm qhov khoom muaj txiaj ntsig zoo thiab nkag siab zoo.
CeramTec-ETEC ua tiav nthuav qhia lub iav qhov rooj tiv thaiv qhov rooj thiab kos thiab pob zeb tiv thaiv vaj huam sib luag tiv thaiv ntawm DSEI 2015 hauv London.
Durable thiab yoog raws nanoceramic
Kev yoog raws thiab ua tau zoo tsis yog qhov zoo uas muaj nyob hauv cov khoom siv hlau, tab sis pab pawg kws tshawb fawb coj los ntawm tus xibfwb ntawm cov ntaub ntawv tshawb fawb thiab kws kho tshuab Julia Greer ntawm California Lub Tsev Kawm Txuj Ci Technology tau daws qhov teeb meem. Cov kws tshawb fawb piav qhia cov khoom tshiab xws li "tawv, hnyav, rov tsim dua tshiab peb-dimensional ceramic nanolattices." Txawm li cas los xij, qhov no yog tib lub npe rau tsab xov xwm luam tawm los ntawm Greer thiab nws cov tub ntxhais kawm hauv phau ntawv xov xwm tshawb fawb ob peb xyoos dhau los.
Dab tsi yog zais hauv qab yog qhov zoo tshaj plaws qhia los ntawm lub voos xwmfab ntawm txhuas oxide nanolattices ob peb kaum ntawm microns loj, nqa nrog lub tshuab electron. Raws li qhov ua haujlwm ntawm lub nra, nws nqaim los ntawm 85% thiab, thaum nws raug tshem tawm, rov qab los rau nws qhov loj me. Kev sim kuj tau ua tiav nrog cov lattices suav nrog cov raj sib txawv ntawm cov tuab tuab, nrog cov hlab nyias nyias yog qhov muaj zog tshaj plaws thiab ywj pheej tshaj plaws. Nrog lub raj phab ntsa tuab ntawm 50 nanometers, lub lattice tau sib tsoo, thiab nrog cov phab ntsa tuab ntawm 10 nanometers, nws tau rov qab los rau nws lub xeev qub - piv txwv li qhov loj npaum li cas ua rau lub zog ntawm qee yam khoom siv li cas. Txoj kev xav piav qhia qhov no los ntawm qhov tseeb tias nrog kev txo qhov loj me, cov lej ntawm qhov tsis xws luag hauv cov khoom siv feem ntau txo qis. Nrog rau qhov kev tsim qauv no ntawm lub lattice ntawm cov raj hollow, 99.9% ntawm lub ntim ntawm lub voos xwmfab yog huab cua.
Professor Greer pab pawg tsim cov qauv me me no los ntawm kev ua cov txheej txheem zoo ib yam li 3D luam ntawv. Txhua tus txheej txheem pib nrog CAD cov ntawv uas tsav ob lub lasers uas "pleev xim" cov qauv hauv peb qhov ntev, kho cov polymer ntawm cov ntsiab lus uas cov kab teeb ci sib zog ua ke nyob rau theem. Lub polymer uas tsis tau kho tau tawm ntawm daim phiaj kho, uas tam sim no dhau los ua lub hauv paus los tsim cov qauv zaum kawg. Cov kws tshawb fawb mam li siv cov alumina rau hauv txheej txheej uas siv txoj hauv kev uas tswj tau qhov tuab ntawm txheej txheej. Thaum kawg, qhov kawg ntawm lub lattice raug txiav kom tshem tawm cov polymer, tawm tsuas yog siv lub lattice ntawm hollow alumina tubes.
Lub zog ntawm cov hlau, tab sis hnyav li huab cua
Lub peev xwm ntawm cov khoom siv "tsim qauv", uas feem ntau yog huab cua los ntawm ntim, tab sis txhua yam tsis muaj zog li hlau, yog loj heev, tab sis nyuaj rau nkag siab, yog li xibfwb Greer tau muab ntau qhov piv txwv. Thawj qhov piv txwv, balloons los ntawm cov helium raug tso tawm, tab sis tib lub sijhawm khaws lawv cov duab. Qhov thib ob, lub dav hlau yav tom ntej, uas tsim qauv hnyav npaum li nws phau ntawv qauv hnyav. Qhov tsis txaus ntseeg tshaj plaws, yog tias Lub Rooj vag Golden Gate nto moo tau ua los ntawm cov nanolattices, txhua yam ntaub ntawv xav tau rau nws kev tsim kho tuaj yeem tso (tsis suav nrog huab cua) ntawm tib neeg xib teg.
Ib yam li cov yam ntxwv zoo ntawm cov tawv, cov khoom hnyav thiab tiv taus cua sov uas tsim nyog rau suav tsis txheeb daim ntawv thov tub rog, lawv cov cuab yeej hluav taws xob tau txiav txim siab tuaj yeem hloov pauv lub zog cia thiab tsim dua tshiab: qhov loj me. cov nplaim, uas yog, peb tuaj yeem siv ntau yam kev thov ntawm hom hluav taws xob."
Cov no suav nrog cov hluav taws xob muaj txiaj ntsig zoo rau roj teeb thiab roj hlwb, lawv yog lub hom phiaj zoo rau cov khoom siv hluav taws xob tsis siv neeg, lub tshuab nqa hluav taws xob nqa tau thiab nqa tau, nrog rau kev ua tiav tiag hauv kev siv tshuab hnub ci.
Greer hais tias "Photonic crystals tseem tuaj yeem muaj npe hauv qhov no," "Cov txheej txheem no tso cai rau koj los teeb lub teeb nyob rau hauv ib txoj kev uas koj tuaj yeem ntes nws tau tag nrho, uas txhais tau tias koj tuaj yeem ua kom lub hnub ci tau zoo dua qub - koj ntes tau txhua lub teeb thiab koj tsis muaj qhov xav tau poob."
"Txhua yam no qhia tias kev sib koom ua ke ntawm qhov cuam tshuam loj hauv nanomaterials thiab cov qauv txheej txheem tso cai rau peb tsim cov chav kawm tshiab ntawm cov khoom siv nrog cov khoom uas tsis tau ua tiav," said Professor Greer ntawm European Organization for Nuclear Research hauv Switzerland. "Qhov kev sib tw loj tshaj plaws uas peb ntsib yog yuav ua li cas nce thiab txav los ntawm nano mus rau qhov loj ntawm peb lub ntiaj teb."
Muaj pob tshab tiv thaiv tej hub
IBD Deisenroth Engineering tau tsim cov pob zeb ua pob zeb ua pob tshab pob tshab nrog kev ua haujlwm zoo sib xws piv rau cov ris tsho txhav tsis zoo. Cov cuab yeej tiv thaiv pob tshab tshiab no yog kwv yees li 70% sib zog dua iav iav thiab tuaj yeem sib sau ua ke nrog cov yam ntxwv zoo sib xws (muaj peev xwm tiv taus ntau yam tsoo) raws li cov cuab yeej tsis zoo. Qhov no tso cai tsis tsuas yog txo qis qhov hnyav ntawm lub tsheb nrog lub qhov rais loj, tab sis tseem kaw tag nrho cov khoob khoob.
Txhawm rau kom tau txais kev tiv thaiv raws li STANAG 4569 Qib 3, cov iav tsis muaj phom muaj qhov ntom ntom ntom ntawm kwv yees li 200 kg / m2. Nrog rau thaj tsam ib puag ncig ntawm lub tsheb loj ntawm peb square metres, qhov hnyav ntawm tsom iav tsis pom kev yuav yog 600 kg. Thaum hloov cov iav tsom iav tiv thaiv nrog IBD ceramics, txo qhov hnyav yuav ntau dua 400 kg. Cov pob zeb zoo nkauj los ntawm IBD yog kev txhim kho ntxiv ntawm IBD NANOTech ceramics. IBD tau ua tiav hauv kev txhim kho cov txheej txheem tshwj xeeb uas tau siv los sib dhos cov vuas luaj ceramic ("mosaic pob tshab tiv thaiv") thiab tom qab ntawd laminate cov rooj sib txoos no kom muaj zog txheej txheej los ua lub qhov rooj loj loj. Vim yog cov yam ntxwv tshwj xeeb ntawm cov khoom siv ceramic no, nws muaj peev xwm los tsim cov pob zeb ua kom ruaj khov nrog qhov hnyav dua. Cov thaub qab, ua ke nrog Ntuj NANO-Fiber laminate, txuas ntxiv txhim kho kev ua haujlwm ntawm kev tiv thaiv pob tshab tshiab vim nws lub zog nqus tau ntau dua.
Israel lub tuam txhab OSG (Oran Safety Glass), teb rau kev nce qib ntawm kev tsis ruaj khov thiab kev nruj nyob ib puag ncig lub ntiaj teb, tau tsim ntau yam ntawm cov iav uas tsis muaj cov mos txwv. Lawv tau tsim tshwj xeeb rau kev tiv thaiv thiab kev ua haujlwm rau pej xeem, tub rog, tub rog, muaj kev pheej hmoo siab rau pej xeem txoj haujlwm, kev tsim kho thiab tsheb tsim khoom lag luam. Lub tuam txhab txhawb nqa cov thev naus laus zis hauv qab no mus rau kev ua lag luam: pob tshab tiv thaiv kev daws teeb meem, tiv thaiv kev tiv thaiv ballistic, ntxiv cov cuab yeej tiv thaiv pob tshab siab dua, qhov muag pom qhov muag, qhov rai tawm thaum muaj xwm ceev, lub qhov rais ceramic nrog cov xim thev naus laus zis, kev qhia ua lub teeb pom kev zoo, poob siab-tiv thaiv iav tiv thaiv pob zeb, thiab, thaum kawg, ADI anti-splinter thev naus laus zis.
OSG cov ntaub ntawv pob tshab raug sim tas li hauv cov xwm txheej ntawm lub neej tiag tiag: tshem tawm lub cev thiab kev tawm tsam, txuag lub neej thiab tiv thaiv cov cuab yeej. Txhua daim ntaub thaiv npog npog tau raug tsim raws li cov qauv thoob ntiaj teb.
