Tom qab cov zaub uas muab tais tau thiab cov zaub nkhaus, cov zaub uas ncab tau raug lees paub dav dav tias yog lub hauv paus tseem ceeb ntawm cov zaub uas hloov tau yooj yim tiam tom ntej. Txawm li cas los xij, cov thev naus laus zis tau raug cuam tshuam los ntawm qhov tsis zoo: cov ntawv nyeem thiab cov duab kos ntawm lub vijtsam feem ntau yuav cuam tshuam thiab poob qhov tseeb thaum lub vijtsam raug ncab.

Tsis ntev los no, ib pab pawg tshawb fawb ua ke los ntawm KAIST (Korea Advanced Institute of Science and Technology) thiab Dong-A University tau tshaj tawm ib qho kev daws teeb meem tshiab uas ua tiav xoom qhov kev cuam tshuam ntawm cov ntsiab lus tso tawm hauv qab kev ncab, daws qhov teeb meem kev lag luam uas tau ntev los lawm. Cov kev tshawb pom cuam tshuam tau luam tawm hauv Nature Communications.

Cov zaub uas ncab tau ib txwm muaj yog tsim los ntawm cov khoom siv elastic, uas muaj qhov tsis zoo ntawm lub cev: kev ncab ib sab ua rau kev sib zog hauv qhov kev taw qhia perpendicular, ua rau cov duab ntawm lub vijtsam tiaj lossis ntev. Cov kev sim ua lag luam yav dhau los tau siv cov qauv auxetic los ua kom zoo dua qhov sib piv ntawm tag nrho, tab sis cov kev daws teeb meem no tsuas yog txhim kho lub thav duab sab nraud ntawm qhov zaub. Lawv ua tsis tau los tiv thaiv kev cuam tshuam ntawm cov ntawv sab hauv thiab cov duab, thiab yog li ntawd tsis tuaj yeem ua tau raws li cov qauv zaub siab.

Qhov kev tshawb fawb tseem ceeb tshaj plaws ntawm txoj kev tshawb fawb no yog tso tseg cov qauv lamination tag nrho thiab siv cov txheej txheem sib txuas lus uas tsom mus rau algorithm. Los ntawm kev xam qhov tseeb, pab pawg tsuas yog sib txuas cov qauv auxetic thiab cov khoom siv elastic ntawm cov ntsiab lus sib koom ua ke zoo tshaj plaws, ua rau muaj kev nthuav dav thoob plaws txhua thaj tsam ntawm lub vijtsam. Qhov kev tsim no ua kom ntseeg tau tias ob qho tib si tag nrho cov feem pua ​​​​​​thiab cov ntsiab lus zoo ntawm lub vijtsam tseem tsis muaj kev cuam tshuam tib lub sijhawm, tshem tawm qhov kev cuam tshuam ntawm kev ncab ntawm theem kev txawj ntse.

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Ntau qhov kev sim ua tau zoo lees paub tias cov ntawv nyeem, cov kab sib chaws thiab cov qauv txhua tus khaws lawv cov duab tiav yam tsis muaj kev cuam tshuam rau lub qhov muag liab qab thaum lub sijhawm ncab kab rov tav thiab ntsug.

Kev sim cov khoom siv nrog cov LED arrays sib xyaw ua ke kuj tau muab cov txiaj ntsig zoo kawg nkaus: lub vijtsam ua haujlwm ruaj khov txawm tias ntawm 15% qhov sib piv ncab, thiab qhov ci ntsa iab poob qis dua 2% tom qab 500 lub voj voog ncab. Nws lub zog ua tau raws li cov kev xav tau ntawm kev siv lag luam.

Raws li pab pawg tshawb fawb, cov thev naus laus zis no siv rau ntau yam kev lag luam xws li cov khoom siv hluav taws xob rau cov neeg siv khoom, kev kho mob, kev siv neeg hlau, tsheb thiab aerospace. Nws tuaj yeem siv rau hauv cov khoom siv xws li cov khoom siv hnav tau ntse, daim tawv nqaij hluav taws xob, cov khoom siv kho mob yooj ywm, cov zaub sib tham rau cov neeg hlau mos, thiab cov zaub tsheb nkhaus dynamic.