Silicon nitride (SiC) waa ciid quartz ah, kookaha batroolka ee calcined (ama kookaynta dhuxusha), slag alwaax ah (soo saarista nitride-ka cagaaran ee silicon-ka ayaa u baahan in lagu daro milix) iyo walxo kale oo ceeriin ah, iyada oo loo marayo foornada kuleyliyaha korontada ee joogtada ah ee dhalaaliyaha heerkulka sare. Giraanta shaabadaynta Silicon nitride waa badeecad silicon nitride ah oo laga sameeyay walxo carbide silicon ah. Haddaba maxay yihiin codsiyada muhiimka ah ee carbide-ka silicon-ka ee falcelinta leh iyo astaamaha shaabadadaha?
Isticmaalka muhiimka ah ee carbide-ka silicon-ka ee sintering-ka falcelinta:
1. Adeegsiga warshadaha wax soo saarka birta waa isticmaalka iska caabbinta kulaylka silicon nitride, xoog sare, hufnaan kuleyl oo wanaagsan, iska caabbinta saameynta, kuleyl joogto ah oo aan toos ahayn oo kuleyliye ah, sida foornada jajabinta taangiga. Saxanka foornada hagaajiyaha, unug aluminium elektrolytic ah, dahaarka foornada dhalaalaysa ee naxaasta ah, qaansada foornada budada zinc, tuubada ilaalinta thermocouple, iwm.
2. Adeegsiga warshadaha birta waxay isticmaashaa xoqidda nitride-ka silicon. Iska caabbinta shoogga kulaylka, iska caabbinta xoqidda. Sababtoo ah hufnaanteeda kulaylka wanaagsan, waxaa loo isticmaalaa in lagu dahaadho foornada birta ee waaweyn iyo kuwa dhexdhexaadka ah si loo xoojiyo cimriga adeegga.
3. Warshadaha isku-ururinta birta waxay isticmaalaan xoogga silicon nitride waa mid ka dambeeya birta dahabka ah, iska caabinta xirashada oo xooggan, waa iska caabin xirasho oo xooggan, iska caabin xirasho oo sare oo dhuumaha ah, impeller centrifugal ah, qolka bamka, mishiinada wareega, dahaarka macdanta ee alaabta ceeriin ee ugu fiican, iska caabin xirasho oo wanaagsan. Cimriga adeegga ee balaastiggu waa 5 ilaa 20 jeer, waana mid ka mid ah agabka ceeriin ee ugu habboon garoomada ciyaaraha diyaaradaha.
4. Adeegsiga isku-dhafka wareejinta kulaylka ee heerka wax soo saarka warshadaha ee qalabka dhismaha ee qurxinta ee walxaha dhoobada iyo qaybaha giraangiraha ciidda. Astaamaha kulaylka shucaaca iyo xoojinta qandhada sare, wax soo saarka iyo soo saarista foornada birta xaashida ah ma aha oo kaliya inay yareyso mugga foornada, laakiin sidoo kale waxay hagaajin kartaa mugga kaydinta iyo tayada wax soo saarka ee foornada, waxayna yareyn kartaa waqtiga wax soo saarka, taas oo ah agabka aan tooska ahayn ee loogu talagalay toogashada midabada dhoobada ah.
5. Adeegsiga ilaalinta deegaanka iyo heerka keydinta tamarta wuxuu leeyahay hufnaan kuleyl iyo iska caabin kulaylka wanaagsan, beddelaha kulaylkana wuxuu badbaadiyaa 20%, isticmaalka shidaalka 20%, isticmaalka shidaalka 35%, waxtarka wax soo saarkana wuxuu kordhiyaa 20-30%. Gaar ahaan, iska caabbinta xirashada tuubada biyaha ee loo isticmaalo warshadda qodista macdanta waa 6 ilaa 7 jeer ka badan agabka birta caadiga ah.
Astaamaha giraanta shaabadda carbide-ka ee silicon-ka ah ee falcelinta lagu sifeeyay:
1, iska caabbinta kulaylka
Sababtoo ah astaamaha walxaha silicon nitride, shaabadda silicon nitride waxay leedahay iska caabin heerkul sare, habab kala duwanna waxay leeyihiin noocyo kala duwan oo astaamo u adkaysta kulaylka. Shaabadda silicon nitride ee falcelinta lagu sifeeyo waxaa laga isticmaali karaa 1300 digrii, shaabadda silicon nitride ee aan cadaadiska lahaynna waxay gaari kartaa 1600 digrii.
2. Iska caabbinta daxalka
Giraanta shaabadaynta silicon nitride waxaa laga isticmaali karaa dabeecadda aashitada iyo alkali ee xooggan, saameynta shaabadaduna ma fududa in la yareeyo.
3, iska caabinta xirashada
Faraantiyada shaabadda carbide-ka ee silicon-ka ee falcelinta lagu sifeeyay iyadoo la raacayo habka kaararka gaarka ah, si qorshuhu u noqdo mid aad u sax ah oo siman, oo ay weheliso iska caabbinta xirashada walxaha carbide-ka ee silicon, faraantiyada shaabadda silicon nitride ayaa loo isticmaali karaa in lagu xoqo midba midka kale. Astaamaha heerkulka sare ee joogtada ah si fudud uma yareeyaan astaamaha dhaawaca.
4. Dhaqan-celin
Waxyaabaha ceeriin ee silikoon carbide ee sintered silicone ah ilaa inta ay jirto tiknoolajiyad gaar ah oo wax lagu farsameeyo, waxaa loo rogi karaa qaabab kala duwan oo ah embriyaha dhogorta, habaynta labaad, si macaamiisha looga dhigo inay rabaan alaab.
Waqtiga boostada: Sebtembar-11-2023