Lub prepreg yog cov khoom sib xyaw tsim los ntawm impregnating nruam fibers los yog fabrics nrog ib tug resin matrix nyob rau hauv nruj tswj tej yam kev mob.
Lub prepreg yog cov khoom sib xyaw tsim los ntawm impregnating nruam fibers los yog fabrics nrog ib tug resin matrix nyob rau hauv nruj tswj tej yam kev mob; nws yog ib qho khoom siv nruab nrab rau kev tsim cov khoom sib xyaw.
Lub prepreg yog ib qho khoom ua tiav ib nrab -cov khoom tiav siv dav hauv kev tsim cov khoom sib xyaw. Nws muaj cov fibers reinforcing thiab resin matrix, nyob rau hauv cov fibers tau uniformly impregnated nrog resin tab sis tseem tsis tau kho tag nrho. Tsis zoo li cov txheej txheem ib txwm muaj nrog rau ntawm - qhov chaw impregnation ntawm cov fibers qhuav nrog cov resin, prepregs undergo cov txheej txheem impregnation resin ntawm qhov chaw tsim khoom; yog li ntawd, lawv yog cov yam ntxwv los ntawm kev faib khoom sib xws thiab kev ua haujlwm ruaj khov. Thaum lub sij hawm tsim cov txheej txheem, prepregs tuaj yeem ncaj qha nteg thiab stacked, ces molded los ntawm kub nias los yog lub tshuab nqus tsev curing, li no ho txhim kho qhov zoo thiab sib xws ntawm cov khoom sib xyaw ua ke.
Prepregs nthuav tawm cov yam ntxwv zoo heev; cov resin tseem nyob rau hauv ib nrab -kho lub xeev, xyuas kom meej tias cov khoom tseem pliable thaum tuav thiab txiav thaum ib txhij ua kom yooj yim lay- nce thiab molding nyob rau hauv complex pwm. Piv nrog rau cov txheej txheem ntawm phau ntawv impregnation, kev siv prepregs txo cov kev pheej hmoo cuam tshuam nrog resin cov ntsiab lus hloov pauv thiab tsis muaj qhov tsis xws luag, ua rau cov khoom kawg uas pom tau tias muaj kev ua tau zoo tshaj plaws ntawm cov khoom siv dag zog, tiv thaiv tshav kub, thiab qaug zog. Hauv cov haujlwm xws li aerospace, cua turbine blades, thiab siab - khoom ntaus pob ncaws pob kawg, qhov kev ntseeg siab thiab ruaj khov ntawm prepregs tau tsim lawv los ua cov khoom tseem ceeb ntawm kev xaiv.
