Nws nyob ntawm seb koj txhais li cas los ntawm kev muaj zog. feem ntau tsis muaj, txawm li cas los xij lawv tab tom ua muaj qee qhov zoo nkauj thiab zoo dua carbon fiber rau ob peb daim ntawv thov. Flax (linen) muaj qhov ua tau zoo sib xws rau cov khoom siv kho qhov muag (qhov txiaj ntsig zoo tshaj plaws thiab qis dua qib ntse), flax yog nyob ib ncig ntawm 2/3rds raws li muaj zog hauv kev nro li carbon fiber. Flax yog superior rau carbon inflexibility. Nco ntsoov lo lus 'ib ncig' raws li nws yog cov khoom siv ntuj tsim, yog li ntawd, tuaj yeem sib txawv ntawm ib qho kev xaiv lossis cov khoom siv tom qab, qhov no txwv nws txoj kev siv raws li cov engineers xav txiav txim siab txog qib kev ua tau zoo, txawm li cas los xij, rau cov kev siv nyuaj tsawg nws yog ib qho khoom siv zoo nkauj zoo nkauj heev (unidirectional flax artifact suab zoo li hardwood, cua sov, thiab ob peb lub rooj zaum zoo li welding. lub cev).
Rau ib tug neeg inquisitive txog kev kawm composites kuv yuav pib nrog ib tug tsim nyog linen artifact kom paub cov hauv paus ntsiab lus, nws yuav tiv thaiv me ntsis hmoov zoo, thaum koj comfy nrog ib tug linen composite piv txwv ces siv cov dearer carbon fiber. Txhob lo lo ntxhuav muaj qee yam khoom zoo nkauj, nws muaj kev tiv thaiv zoo heev ua piv txwv (yog li ntse rau kev siv xws li canoes). Nws qhov sib npaug ze tshaj plaws yog Kevlar, txawm li cas los xij, tsis yog ze li qhov zoo ntawm kev ua haujlwm ntev piv nrog carbon fiber. Lub chaw soj ntsuam kev tshawb fawb tau sim nrog kev noj cov kab mob silkworms carbon nanoparticles (Kuv tsis xav tias nws ua mob rau lawv, tab sis nws pom tau tias nws txhim kho cov qauv).
Nanotubes tuaj yeem ua kom zoo dua ntawm cov kab lo lo ntxhuav vim nws tawm thiab kos. Cov pa roj carbon nanotubes muab lub peev xwm los txhim kho cov pa roj carbon fiber ntau thiab tej zaum yuav muab ntxiv rau cov organic compound ntxiv, txawm li cas los xij, tsis yog cov khoom lag luam ntuj. Qhov kom zoo dua ntawm cov khoom lag luam yog feem ntau, lawv pheej yig dua, bio-degradable thiab muab cov ntse abrasive tsis kam thiab nrog zoo adhesion nrog cov organic compound system (uas tuaj yeem yog bio-resin) thiab yoog raws. Ntuj fibers yog txoj kev ntau yam, ntse rau tej yam xws li hlua thiab (sail) ntaub. Flax feem ntau loj hlob nyob rau hauv ntau qhov chaw (tsis zoo li cov paj rwb ruaj khov luv), feem ntau lub teb chaws tau ua nws ib zaug vim tias nws muaj cov fibers ntev ntev, nws tau paub zoo tias yuav tsum tau spun los ntawm qhov tsawg kawg ntawm 3,000 BCE thiab cog txij li lub hnub nyoog bronze.
Post lub sij hawm: Mar-12-2019