(I-sickwayeB4CIveliswe nguWintrustek)
Iinjineli, abaqulunqi, kunye nabaphathi bempahla nezinto zokuthenga kufuneka benze isigqibo esiphambili xa ukhetha izinto ezifanelekileyo ze-ceramic.I-boron carbide (b4C)kwayeI-Silicon Carbide (i-SIC)zithandwa kakhulu ze-ceramac ngenxa yobuqili babo obuphezulu, uzinzo lwe-therm, kunye nokuxhathisa iimeko eziqatha. Nangona kunjalo, basebenza ngeenjongo ezahlukeneyo - kwaye bakhetha okuphosakeleyo kunokuba nefuthe kwiindleko, ukuqina, kunye nokusebenza kwenkqubo ngokubanzi.
Olu luvo lude luthelekisaI-boron carbidengeI-Silicon carbideNgokweempawu, ukusebenzisa, izibonelelo, kunye neendleko zokukunceda uthathe isigqibo sokuba yeyiphi na i-ceramic ilungele iprojekthi yakho eyahlukileyo.
1. Ushwankathelo lwezinto ezimbini
I-boron carbideyenye yezona zinto zibalulekileyo ezaziwayo, ezikwinqanaba kuphela emva kwedayimane kunye ne-boude boron ndride. Ingaphantsi kakhulu, i-Intert ye-chemiches, kwaye isetyenziswa ngokufuthi kwizicelo eziphezulu zokusebenza eziphezulu kunye nokunxiba.
I-Silicon carbideYaziwa kakhulu ngenxa yobuqili bayo, ukuqhutyha kwe-shirmal, kunye nokuchasana nokothusayo. Yindawo yokusebenza ye-ceramic yobunjineli kwaye ihlala ibiza kakhulu kune-boron cacbide.
| Ipropathi | I-boron carbide (b4C) | I-Silicon Carbide (i-SIC) |
| Ukuxinana | Iphantsi kakhulu (~ 2.52 g / cm³) | Iphantsi / imodareyitha (~ 3.1 g / cm³) |
| Ubunzima | Phezulu kakhulu (≈ 30 GPA) | Iphezulu kakhulu (≈ 25-28 GPA) |
| Nxiba ukuxhathisa | Ngokugqwesileyo | Kakuhle kakhulu |
| Ukuqhekeka kwento yokwenza | Isezantsi (ngakumbi brittle) | Iphezulu (iNgcono yokungakhathali) |
| Ukuqhubela phambili kwe-thermal | Ngokulinganiselweyo | Iphezulu kakhulu (i-supir engalunganga) |
| Ukuxhathisa iikhemikhali | Obalaseleyo | Ngokugqwesileyo |
| Ukusebenza kwebhola | Iphezulu | Kulungile kodwa ubunzima |
| Iindleko | Ngaphezulu | Ixabiso elingakumbi |
3. Xa ukhethaI-boron carbide
3.1 Izicelo ezibalulekileyo
I-boron ye-boron yenye ye-ceramics ye-ost ebukhanyisiweyo, iyenza igqibelele ukunciphisa ubunzima ngaphandle kokulalanisa.
3.2 Ukukhuselwa kwinqanaba eliphezulu
B4Clolona khetho lubalaseleyo:
Iipleyiti zomzimba
Izihlangu zokhuseleko
Izixhobo zemoto
Ukhuseleko kwi-helikopta kunye nenqwelomoya
Ukhohlakala kwayo ngokungafaniyo kubandakanya ukuba ithintele iibhulethi eziphezulu zokunyuka.
3.3 Ngeemeko eziphezulu zokuhlambela
I-boron carbideI-Everls kwi:
Inxalenye yezamashishini
Izinto zokumpompoza
I-nozzleds
Izicelo zobunjineli beNyukliya
Ukunganyangeki kwawo kudla ngokukhokelela kwixesha elide lokuphila kune-sic kwiimeko ezimbi kakhulu.
4. Xa ukhethaI-Silicon carbide
4.1 Izicelo eziPhambili eziPhakamileyo
I-Silicon carbideIlungele:
Iinxalenye zezabo
UTSHINTSHO
Izixhobo zokulungisa i-semicondnuct
Ihluma ngokukhawuleza ubushushu kwaye inokujamelana nobushushu obugqithisileyo ngaphandle kokuqhekeka.
4.2 KwiiProjekthi zeendleko ezinamashishini
I-siciyathandwa ngenxa yokuba ibonelela ngokusebenza kakuhle kwiindleko ezisezantsi:
Ii-nozzles
Iibherings
Amatywina oomatshini
Ifenitshala yeKiln
Izinto zemoto
4.3 Kwiimeko ezifuna ubunzima obuphezulu
I-SIC ayinabritt engaphantsi kwe-B₄C, yenze oko kuninzi ngokuchasene neempembelelo, ukugcuma, kunye nokuhamba ngebhayisikile.
I-5. Ukuthelekisa iindleko
Ngelixa amaxabiso axhomekeke kubunyulu, ubungakanani, kunye nenkqubo yokwenziwa:
I-boron carbidekakhuluKubiza kakhulu ngenxa yeendleko ezikrokrelweyo kunye nesono esinobunkunkqele.
I-Silicon Carbide ixabisa kakhulu, ngakumbi amacandelo amakhulu okanye ukuvelisa ivolo.
I-B₄C yeyona nto iphambili yokufezekisa ukusebenza okukhulu nangayiphi na indleko.
Ukuba umyinge wentengo yokusebenza kwixabiso ibalulekile, i-SIC ihlala ilukhetho oluphezulu.
I-6. Imizi-mveliso exhamla kwizinto nganye
UKhuseleko kunye nokhuseleko
Inxalenye yezamashishini
Amandla enyukliya
Imigodi kunye nokuqhuma
Ukhuseleko lwe-Aerospace
Ukuvelisa i-semicondcuction
I-metal
I-Automotive kunye ne-evs
Amandla kunye Nesimo seMveliso
Inkqubo yekhemikhali
7. Yeyiphi kwezixhobo omele ukhetha?
KhethaI-boron carbideUkuba isicelo sakho seNtetho
Ubunzima obufanelekileyo
Ukukhanyisela ubunzima obufihlakeleyo
Ukunganyangeki kwe-abrary
Ukusebenza kwebhola ekhatywayo
Ukunganyangeki kwe-Corrosion kwiisetingi ezinzima
KhethaI-Silicon carbideUkuba isicelo sakho seNtetho
Iindleko eziphantsi zezinto eziphantsi
Ukuqhubela phambili kwe-thermal ephezulu
Ukuphuculwa kokuqhekeka okuphuculweyo
Ukuchasana nokuNgena kwe-thermal
Iinxalenye ezinkulu okanye ezikhoyo zenziwe
8. Conclusion
Zombini i-boron ye-boron kunye ne-silicon carbide zisebenza kakhulu kwi-ceramics ephezulu, kodwa zigqwesa kwiindawo ezahlukeneyo.
I-boron carbidI-E ayifakwanga kubulukhuni, ukunciphisa ubunzima, kunye nokusebenza kweebhola, kuyenza ilungele ukrwada kwezinto zangaphantsi kunye nokunxiba okuphezulu.
I-Silicon carbideUnozinzo oluhle kakhulu lobushushu, ukuqina, kunye nokusebenza ngendleko, kuyenza ibe yinto efanelekileyo yokufumana izicelo zomsebenzi kunye nobushushu obungaphezulu.
Eyona ceramic efanelekileyo yesicelo sakho igqitywe ziimfuno zayo ezithile. Kwizicelo ezininzi, ukulinganisa ubunzima, ubunzima, indlela yokuziphatha eshushu, ubunzima, kunye nohlahlo-lwabiwo mali zibalulekile ekukhetheni izinto ezilungileyo.