Yuav ua li cas xaiv matrix nplaum nyob rau hauv cov ntaub ntawv sib txhuam?
Nyob rau hauv ntau yam kev sib txhuam cov ntaub ntawv, nws muaj peev xwm txawv los ntawm hlau puag, ceramic puag, resin puag, carbon/carbon composite chav kawm ntawv, cov ntaub ntawv kev sib txhuam yog dav siv nyob rau hauv tsheb ciav hlau, aircraft, tsheb, roj RIGS, machinery thiab lwm yam teb, resin raws li Cov ntaub ntawv sib txhuam yog dav siv nyob rau hauv chav kawm ntawm kev sib txhuam cov ntaub ntawv sib xyaw. Nws yog tsuas yog siv los ua cov khoom siv nres thiab clutch phaj rau braking lossis clutch ntawm ntau lub tsheb khiav lossis tshuab.
Kev sib txhuam cov ntaub ntawv nrog kev ua tau zoo yuav tsum muaj peev xwm ua tau raws li cov cai hauv qab no tib lub sijhawm, feem ntau:
1, nyob rau hauv ib tug tej yam ntau yam kom tau raws li qhov yuav tsum tau ntawm kev sib txhuam yam;
2, tsis tshua muaj hnav;
3, zoo thermal decay tsis kam thiab thermal rov qab;
4, tsim nyog hardness;
5. Tsawg suab nrov.
Tau kawg, xaiv cov khoom siv nres uas tuaj yeem ua tau raws li cov khoom saum toj no tib lub sijhawm, ntxiv rau kev xaiv cov khoom siv txhawb nqa tsim nyog, muab tub lim thiab kev sib txhuam regulator thiab optimizing cov mis, xaiv cov resin tseem ceeb heev. Hauv kev lag luam kev sib txhuam cov khoom siv, kev siv cov phenolic resin zoo tib yam uas tsis tshua muaj hluav taws kub tsis kam rau ntau xyoo, xws li 2123 #, nrog rau kev loj hlob sai ntawm kev lag luam tsheb, lub tsheb khiav ceev tau muab tso rau hauv cov kev xav tau siab dua rau cov khoom siv hluav taws xob, thiab kev txhim kho cov cua sov ntawm cov ntaub ntawv sib txhuam tau dhau los ua qhov tseem ceeb ntawm kev tshawb fawb.
Nyob rau hauv xyoo tas los no, muaj ntau yam hloov kho phenolic resins, xws li cashew oil modified phenolic resin, melamine modified phenolic resin, boron modified phenolic resin (FB), thiab lwm yam. Cov phenolic resins tau hloov kho kom tau raws li cov kev xav tau ntawm ntau qhov siab. - kev ua haujlwm nres cov ntaub ntawv.
Raws li rau ntau hom phenolic resin uas tau tsim muaj nyob rau tam sim no, nws tau txiav txim siab tias qhov kub tsis kam ntawm phenolic resin hloov nrog FB boron yog qhov zoo tshaj plaws tom qab kev sim thiab daim ntawv thov los ntawm cov kws tshawb fawb hauv tsev thiab txawv teb chaws. Muaj ntau txoj hauv kev los tshawb xyuas qhov kub ntawm cov resin, thiab peb xaiv cov txheej txheem thermogravimetric (TG). Raws li TG nkhaus, qhov decomposition kub ntawm FB resin tuaj yeem ncav cuag ntau tshaj 500 degree, thaum lub phenolic resin yuav decompose nyob rau hauv ntau qhov ntau thaum nws tshaj 300 degree. Nyob rau hauv cov ntaub ntawv sib txhuam, resin yuav tsum muaj qhov kub thiab txias decomposition thiab siab ceev ceev tus nqi (carbon residue tus nqi). Qhov hnyav tuav tus nqi ntawm FB resin ntawm 900 degree yog ntau tshaj 60%.
FB siab kub resistant resin ntxiv rau cov cua kub zoo heev, tab sis kuj muaj cov txheej txheem kev ua tau zoo, kev siv tsis tas yuav ntxiv cov tshuaj tua kab mob Hexamethylenetetramine, tab sis kuj muaj ntau yam roj hmab xws li butadiene roj hmab, styrene butadiene roj hmab, EPDM roj hmab cov tshuaj tiv thaiv cov yam ntxwv. . Raws li cov kws tshaj lij los ntawm National Resin network (www.360gsz.com), cov ntaub ntawv sib txhuam ua haujlwm siab, ntxiv rau kev xaiv cov resin nrog kev ua tau zoo, kuj tseem ceeb heev rau kev xaiv cov khoom siv ntxiv. Asbestos fibers dav siv yav dhau los tau raug txo los yog txiav tawm vim muaj teeb meem ib puag ncig. Lwm cov fibers hloov xws li steel fiber, iav fiber, carbon fiber, aramong fiber, sepiolite fiber yog siv ib leeg los yog sib xyaw, hauv kev xaiv los txiav txim siab qhov kev ua tau zoo, tus nqi thiab lwm yam teeb meem, los ntawm kev sib xyaw ntawm cov qauv sib txawv kom ua tiav qhov kev ua tau zoo.
