Kukonzekera ndi makhalidwe a silicon carbide ceramics pogwiritsa ntchito reaction sintering

Silicon carbide (SiC) ndi chinthu chopangidwa ndi kaboni ndi silicon ndipo chimadziwika ndi makhalidwe ake abwino kwambiri, kuphatikizapo kukana kuvulala kwambiri, kukana kutentha, kukana dzimbiri kwambiri komanso kusinthasintha kwa kutentha kwambiri. Zinthu zimenezi zimapangitsa silicon carbide kukhala chinthu choyenera kugwiritsidwa ntchito m'mafakitale osiyanasiyana, kuphatikizapo ndege, kupanga makina, petrochemicals, kusungunula zitsulo ndi zamagetsi. Chofunika kwambiri popanga zinthu zosawonongeka komanso zinthu zomangira kutentha kwambiri. Kupanga zinthu za ceramics za silicon carbide zosinthidwa ndi reaction-sintered kwakhala ndi gawo lofunika kwambiri pakupititsa patsogolo ntchito zamafakitale za zinthu zosiyanasiyanazi.

Njira yachikhalidwe yopangirazoumbaumba za silicon carbide zopangidwa ndi reaction-sinteredKugwiritsa ntchito ufa wa silicon carbide pamodzi ndi ufa wochepa wa carbon. Chosakanizacho chimadutsa mu siliconization reaction yotentha kwambiri kuti chipange zinthu zokhuthala za ceramic. Komabe, luso lachikhalidweli silili lopanda zovuta zake. Njira yoyeretsera imadziwika ndi nthawi yayitali, kutentha kwambiri komanso kugwiritsa ntchito mphamvu zambiri, zomwe zimapangitsa kuti pakhale ndalama zambiri zopangira. Pamene zofunikira zamakampani pa mawonekedwe ndi mawonekedwe a silicon carbide ceramic zikuchulukirachulukira, zofooka za njira zachikhalidwe zikuwonekera kwambiri.

M'zaka zaposachedwapa, kuyambitsidwa kwa ufa wa silicon carbide nanopowders kwakhala njira yabwino yowonjezerera mphamvu za makina a silicon carbide ceramics. Kugwiritsa ntchito ufa wa nanopowders kungapangitse ceramics kukhala ndi mphamvu zambiri zosungunuka komanso mphamvu zopindika. Komabe, mtengo wa ufa wa silicon carbide nanopowder ndi wokwera kwambiri, nthawi zambiri umaposa 10,000 yuan pa tani, zomwe zimapangitsa kuti pakhale chopinga chachikulu pakugwiritsa ntchito kwambiri komanso kupanga kwakukulu. Vuto la zachumali limafuna kufufuza zinthu zina zopangira ndi njira zina kuti kupanga silicon carbide ceramics kukhale kotheka komanso kotsika mtengo.

Kuphatikiza apo, kuthekera kopanga mawonekedwe ovuta komanso zigawo zazikulu kumatsegula njira zatsopano zogwiritsira ntchito silicon carbide ceramic. Makampani omwe amafuna mapangidwe ovuta komanso zipangizo zogwirira ntchito bwino angapindule ndi njira yatsopano yokonzekerayi. Kusinthasintha kwa kapangidwe kake komanso kuthekera kopanga zinthu zambiri za silicon carbide ceramics zapamwamba zitha kubweretsa kupita patsogolo kwakukulu m'malo monga ndege ndi zamagetsi komwe magwiridwe antchito azinthu ndi ofunikira.