Pambali pa 1000 ℃ ng'anjo, mu mafakitale chitetezo chilengedwe desulfurization dongosolo, ndi mkati mwatsatanetsatane zida kuwala, nthawi zonse zinthu zimene mwakachetechete kupirira mayeso kutentha kwambiri - ndi.silicon carbide ceramicsamadziwika kuti "golide wakuda wamakampani". Monga chinthu chofunikira m'mafakitale amakono, zinthu zotenthetsera zomwe zimawonetsedwa ndi silicon carbide ceramics zikutanthauziranso kumvetsetsa kwaumunthu kwa zida zotentha kwambiri.
1, 'Njira yofulumira' yoyendetsa kutentha
Zoumba za silicon carbide zimakhala ndi matenthedwe otenthetsera ngati zitsulo, zokhala ndi matenthedwe ochulukirapo kangapo kuposa zida zadothi wamba. Kutentha kwapadera kumeneku kumachitika chifukwa cha maatomu a silicon carbon omwe amakonzedwa molimba mumtundu wake wa crystal, omwe amapanga njira zoyendetsera kutentha. Kutentha kukasamutsidwa mkati mwazinthuzo, kumakhala ngati galimoto yoyendetsa pamsewu wosatsekeka, yomwe imatha kufalitsa mofulumira komanso mofananamo kutentha, kupeŵa zoopsa za chitetezo zomwe zimachitika chifukwa cha kutentha kwapafupi.
2, Kukhala ndi moyo wautali m'malo otentha kwambiri
Pa kutentha kwambiri kwa 1350 ℃, zida zambiri zachitsulo zakhala zifewetsa kale komanso zopunduka, pomwe zoumba za silicon carbide zimatha kukhalabe zolimba. Kukana kwabwinoko kotenthaku kumachokera ku mgwirizano wolimba womwe uli mkati mwazinthu, monga kumanga linga laling'ono losawonongeka. Chosowa kwambiri ndi chakuti m'madera otentha kwambiri oxidation, silika wandiweyani wotetezera umapanga pamwamba pake, kupanga "chishango choteteza" chachilengedwe.
3, The 'Endurance King' of High Temperature Endurance War
Pa mpikisano wothamanga wa kutentha kosalekeza, zida zambiri zimawonongeka chifukwa cha kutentha kwanthawi yayitali, pomwe zoumba za sintered silicon carbide zimawonetsa kulimba kodabwitsa. Chinsinsi chagona pamapangidwe apadera a malire a tirigu - mawonekedwe a maukonde atatu-dimensional opangidwa kudzera muukadaulo wa reaction sintering, womwe uli ngati kumangirira mamiliyoni a "anchor points" kuzinthuzo. Ngakhale patatha maola masauzande ambiri akuphika kutentha kwambiri, imatha kutseka kukhazikika kwa microstructure. Chikhalidwe ichi chimapangitsa kukhala chisankho chabwino kwambiri chosinthira zida zachitsulo zachikhalidwe muzochitika monga zodzigudubuza mosalekeza mumakampani opanga zitsulo komanso zigawo zonyamula katundu wotentha kwambiri pazida zamankhwala. Zimatanthawuza zomwe "kutentha kwakukulu sikutha" kumatanthauza ndi "mphamvu zolimba".
Chida chanu chikafunika kutsutsa malire a kutentha, zoumba za sintered silicon carbide zitha kukhala 'zowongolera kutentha' zodalirika. Monga katswiri wamakampani okhazikika paukadaulo wa reaction sintering,Shandong Zhongpengamagwiritsa ntchito matekinoloje osiyanasiyana ovomerezeka kuti apititse patsogolo mphamvu zamakina ndi kukonza magwiridwe antchito azinthu ndikusunga zinthu zabwino kwambiri zamatenthedwe. Kupambana kwaukadaulo kumeneku sikungochepetsa ndalama zopangira, komanso kukuwonetsa chiyembekezo chokulirapo cha zoumba za silicon carbide m'mafakitale omwe akubwera.
Nthawi yotumiza: May-16-2025