Kev txo qhov hnyav yog qhov tseem ceeb hauv kev tsim dav hlau tsim thiab tsim khoom, uas tuaj yeem ua rau cov tub rog dav hlau nrog kev ua haujlwm zoo dua qub thiab txhim kho roj kev lag luam ntawm pej xeem aviation aircraft. Tab sis yog hais tias lub thickness ntawm lub phaj zoo li lub Cheebtsam ntawm lub aircraft yog heev nyias, nws yuav ntsib teeb meem ntawm tsis txaus lub zog thiab nruj. Piv nrog rau kev txhawb nqa cov thav ntawv, ntxiv cov khoom hnyav thiab cov khoom siv nyuaj nyuaj ntawm ob txheej ntawm cov vaj huam sib luag tuaj yeem txhim kho lub peev xwm load-bearing tsis muaj qhov hnyav ntxiv.

Ib txheej ntawm lub teeb ntoo los yog ua npuas ncauj yas core cov khoom yog ntim ntawm sab hauv thiab sab nrauv ntawm daim tawv nqaij ua los ntawm iav fiber reinforced epoxy resin (iav fiber reinforced yas). Lub teeb ntoo kuj yog ib qho ntawm cov khoom siv sandwich ntxov tshaj plaws siv hauv dav hlau, xws li lub dav hlau nto moo ntoo thaum Ntiaj Teb Tsov Rog II - British Mosquito Bomber, uas yog ua los ntawm plywood nrog ob txheej ntawm birch ntoo sandwiched ntawm ib txheej ntawm cov ntoo.

Hauv kev lag luam aviation niaj hnub no, cov ntaub ntawv tseem ceeb siv suav nrog cov qauv honeycomb thiab ua npuas ncauj yas. Qhov zoo li tsis muaj zog honeycomb tuaj yeem tiv taus cov tsheb thauj khoom hnyav vim tias qhov ruaj khov honeycomb zoo li daim phiaj kab thaiv kev buckling deformation, uas zoo ib yam li cov hauv paus ntsiab lus uas cov thawv ntawv corrugated muaj zog compressive zog.

Aluminium yog cov hlau feem ntau siv rau hauv dav hlau, yog li nws yog qhov tsim nyog los siv cov qauv uas muaj aluminium alloy panels thiab aluminium honeycomb sandwich panels.