Ntxiv rau cov yam ntxwv ntawm cov thermoplastics, LFT tseem muab cov iav ntev coj los tsim cov khoom zoo dua thiab txhua yam khoom thiab cov khoom siv dag zog. Nws cov yam ntxwv yog raws li nram no:
1. Tsawg nti thiab siab zog. Qhov ceev ntawm LFT yog 1.1 mus rau 1.6 g / cm3, uas tsuas yog 1/5 rau 1/7 ntawm hlau, 1/4 rau 1/3 sib dua dua SMC, thiab nws tau txais kev kho siab zog nrog ib pawg me me.
2, lub degree ntawm txoj kev ywj pheej ntawm tsim yuav loj. Lub cev, tshuaj lom neeg thiab khoom siv dag zog ntawm LFT tuaj yeem tsim los ntawm kev xaiv ntsej muag ntawm hom, piv, kev ua thiab cov ntsiab lus fiber ntau ntawm cov ntaub ntawv raw. Vim cov thermoplastic composites muaj ntau cov khoom siv ntau dua cov thermoset composites, kev ywj pheej xaiv cov khoom ntau dua.
3. Kev ntsuas kub zoo tuaj. Feem ntau, cov yas siv nyob rau ntawm qhov kub ntawm 50-100 ° C. Tom qab siv zog iav, nws tuaj yeem tau tsa ceg rau siab tshaj 100 ° C. Qee qhov tshwj xeeb LFT siv huab cua sov ntau dua li 200 ° C; qhov coefficient of linear expansion yog 1/4 qis tshaj li ntawm cov khoom yas unreinforced. ~ 1/2; molding shrinkage tus nqi yog me me, tsuas yog 0.2%, uas tsim kho qhov tseeb qhov tseeb ntawm qhov khoom; cov thermal conductivity yog 0.3 txog 0.36 W, uas zoo ib yam li cov khoom siv thermosetting.
4. Tshuaj tiv thaiv. Cov cuab yeej no yog raug txiav txim siab los ntawm cov khoom ntawm cov khoom siv hauv matrix. Muaj ntau ntau hom thermoplastic resins, thiab txhua lub tshuaj muaj nws tus kheej cov yam ntxwv ntawm tus kheej. Vim li no, tus pas nrig matrix tuaj yeem xaiv tau raws li kev siv thiab ib puag ncig ntawm LFT.
5. Cov khoom siv dielectric zoo. Tus LFT tsis cuam tshuam rau cov xov tooj cua vuag thiab muaj kev sib txuas lus zoo microwave. Qhov sib ntxiv ntawm cov khoom siv hluav taws xob ua rau LFT txhim kho nws txoj kev hluav taws xob thiab tiv thaiv cov cim hluav taws xob.
6, pov tseg tuaj yeem siv tau. LFT tuaj yeem tsim rov qab, thiab cov khoom siv pov tseg thiab cov khoom siv tuaj yeem rov tuaj yeem siv tsis ua paug qoob loo.
7. Ua kom yooj yim, cuam tshuam kev ua haujlwm, ua haujlwm tsis zoo thiab puas tsuaj.
