Ngongo Tiaki Karāpi Hiraka
Ka whakaratohia e mātou he mahi tino paiNgā Ngongo Tiaki Silicon Carbide (SiC)I hangaia kia pono te mahi i roto i ngā taiao ahumahi tino kino, tae atu ki ngā pāmahana tino tiketike, te waikura matū kino, te kakahu miihini me ngā ru wera maha. He whānuitia te whakamahinga i roto i te mahi whakarewa, te maimoatanga wera, te sintering uku, te miihini matū me ngā ahumahi oumu pāmahana teitei, ka mahi ā mātou ngongo SiC hei ringaringa tiaki taumaha mō ngā thermocouples, ngā ihu mura, ngā wāhanga whakawhiti wera me ngā arai oumu, ka roa ake te ora o ngā taputapu me te whakaiti i ngā utu tiaki noa.
E toru ngā momo kounga matua e tukuna ana e mātou hei whakatutuki i ngā hiahia tono kanorau:SiC Hononga-Tauhohenga (RBSiC), SiC Kua Whakakirihōtia (RSiC) me te SiC Hononga-Nītride (NBSiC).He āhuatanga motuhake o ia taumata, ā, e whakarato ana mātou i ngā ratonga hanga ritenga katoa kia tutuki ai ō whakaritenga rahi, hanganga me te āhua mahi.
1. Ratonga Hanga Ritenga | OEM me ODM e wātea ana
E tino mārama ana mātou he rerekē ngā hiahia o ngā kiritaki ahumahi mō te rahi, te hanganga, te tāutanga me te mahi. Ka whakaratohia e mātou he otinga ritenga katoa mō ngā ngongo tiaki SiC, e kapi ana i te hoahoa hua, te whakawhanake tauira, te whakaputa papatipu me te tirotiro kounga tino tika. Ka tūtohu tā mātou tīma hangarau i te momo SiC tino tika i runga i tō pāmahana mahi, momo reo, pēhanga me te wāhi tāutanga hei whakarite i te mahi tino pai me te whai hua o te utu mō tō kaupapa.
2. Awhe Whakaritenga
(1) Whakaritenga Ahu:Ko te whānui o waho mai i te Φ12mm ki te Φ300mm, ko te roa kotahi tae atu ki te 3000mm, ko te matotoru o te pakitara ka taea te whakarite mai i te 3mm ki te 30mm, me ngā āheinga ā-ahu tino pakari (±0.5mm ki te ±1.0mm) i runga i ngā whakatakotoranga hua me ngā whakaritenga tukanga kia tino pai ai te uru ki ngā taputapu a te kiritaki.
(2) Whakaritenga Hanganga me te Mutunga:Tautoko i te pito kati, te pito tuwhera, te pito whakarara (ngā whakarara paerewa me ngā whakarara kore-paerewa), ngā hononga miro ā-roto me ā-waho, ngā awaawa mowhiti hiri, ngā kōhao tūnga, me ētahi atu hoahoa hanganga. Ka whakaratohia hoki e mātou he hua āhua motuhake ritenga, tae atu ki ngā ngongo piko 45°/90°, ngā ngongo whakaiti, ngā tī, me ngā hanganga tara mō ngā hiahia tāutanga me te tono motuhake.
(3) Whakaritenga Mahi:Whakatikatikahia te porowhita rauemi, te kawe wera, te kaha pēhanga, me ngā tawhā ātete waikura kia rite ki ngā tikanga mahi motuhake, arotauhia te hanganga rauemi kia ōrite ki ngā taiao uaua ahurei, me te whakapai ake i te roa o te ratonga me te pumau o te mahi.
(4) Te Whakaritenga Tukanga:He whakawhiti ngāwari i waenga i ngā tukanga RBSiC, RSiC, me NBSiC i runga i ngā āhuatanga tono a te kiritaki; mō ngā wāhanga hanganga uaua, ka whakatairangahia e mātou te tukanga sintering tauhohenga tata-āhua-kupenga hei whakaiti i ngā utu tukatuka me te whakarite i te pono o te hanganga.
Ngā Ngongo Tiaki SiC Herea-Nītride (NBSiC)
He mea hanga ngā ngongo NBSiC mai i te SiC me te paura silicon tino parakore, i hangaia mā te extrusion, mā te grout rānei, kātahi ka whakanitridehia ki te 1350-1500°C i roto i te hauota hauota. Ka piri pūmau ngā tioata silicon nitride ā-pūtake ki ngā matūriki SiC, ka hanga he rauemi pakari me te ātete ki te waikura whakarewa rewa me te mahi kore-piri, he tino pai mō ngā āhuatanga whakarewa whakarewa kore-ferrous.
1. Ngā Mahi Matua me ngā Āhuatanga
(1) Te pāmahana whakahaere mōrahi tae atu ki te 1500°C, me te mahi pumau i roto i te konganuku rewa me ngā taiao waikura pāmahana teitei
(2) He ātete tino pai ki te waikura o te konumohe rewa, te konutea, te parahi, me ētahi atu konganuku kore-ferrous, kāore he piri ki ngā konganuku rewa, ā, kāore he parahanga wai konganuku
(3) Te kawe wera teitei, e āhei ai te tere o te kite i te pāmahana me te whakawhiti wera pai mō te aroturukitanga pāmahana tika
(4) He kaha miihini pai me te ātete ki ngā ru wera, he pai mō te mahi roa i roto i ngā āhuatanga whakarewa me te whakarewa whakarewa
(5) He iti te porosity me te hanganga matotoru, e wehe pai ana i te konganuku rewa, te para, me ngā hau waikura hei tiaki i ngā wāhanga o roto
2. Ngā Tono e Manakohia ana
He mea hanga motuhake ngā ngongo tiaki NBSiC mō ngā ahumahi whakarewa whakarewa, e whakamahia ana mō ngā ngongo ine pāmahana whakarewa rewa, ngā ngongo hiki, ngā ringaringa tiaki thermocouple oumu whakarewa konumohe/parahi/konutea, ngā wāhanga tiaki puna kaukau rewa, me ngā taputapu whakarewa tonu. Koinei te otinga kounga teitei mō ngā whakaritenga ātete ki te waikura whakarewa rewa me te mahi korepiri.
Ngā Ngongo Tiaki SiC Hononga-Tauhohenga (RBSiC)
Ka hangaia ngā ngongo RBSiC mā te hangarau whakaurunga me te tauhohenga matatau, mā te whakamahi i te paura SiC tino parakore me ngā rauemi mata waro. Ka uru te silicon whakarewa ki roto i te tinana matomato ka tauhohe ki roto hei hanga i tētahi hanganga piri matotoru, me te 8-15% o te ihirangi silicon kore utu. Mā tēnei tukanga ka taea te hanga āhua tata-pūngao me te iti iho i te 1% te whakahekenga ā-ahu, ka puta he utu nui, ā, he pai mō te hanga ahumahi papatipu.
1. Ngā Mahi Matua me ngā Āhuatanga
(1) Te pāmahana whakahaere mōrahi tae atu ki te 1400°C, me te mahi ratonga pumau mō te wā roa i ngā pāmahana tiketike tonu
(2) He tino matotoru, he tino kaha ā-mīhini, ā, he pai te ātete ki te pānga ā-mīhini me te kakahu ngawari
(3) He tino whai hua te utu ki te whakataurite ki ētahi atu hanganga SiC, he pai mō ngā tono ahumahi nui
(4) He tino pai te āhua o te hanganga, e āhei ai te whakaputa i ngā wāhanga āhua uaua me te kore e nui te tukatuka tuarua
(5) He ātete pai ki te waikura matū noa, tae atu ki ngā āhuarangi ahumahi waikawa me te kawakore
2. Ngā Tono e Manakohia ana
E whakamahia whānuitia ana ngā ngongo tiaki RBSiC mō ngā ngongo irahiko oumu whakarewa, ngā ringaringa tiaki thermocouple paerewa, ngā pūwero whakakorenga whanariki, ngā whakawhiti wera, me ngā wāhanga oumu pāmahana-teitei whānui. Koinei te kōwhiringa tino pai mō ngā tono e hiahia ana ki te mahi taurite me te whakahaere utu, me te kore e hiahiatia he ātete pāmahana tino-tiketike i runga ake i te 1400°C.
Ngā Ngongo Tiaki SiC (RSiC) Kua Whakahokia te Kiriata
Ka whakatōngia ngā ngongo RSiC ki te pāmahana tino teitei (2100-2450°C) me te kore he wāhanga here tuarua, ka hangaia mā te mimiti tika me te whakatōtō o ngā matūriki α-SiC tino parakore. Mā tēnei hanganga tioata parakore ka kore he poke, ka waiho hei whiringa pai mō ngā taiao mahi tino teitei me te tino parakore.
1. Ngā Mahi Matua me ngā Āhuatanga
(1) Ātete pāmahana tino teitei, me te pāmahana mahi tonu mōrahi tae atu ki te 1800°C, e tika ana mō ngā āhuatanga mahi pāmahana tino tiketike
(2) 100% te āhua tioata SiC parakore, kāore he parahanga poke, he mea tino pai mō te maimoatanga wera parakore me ngā oumu e whakahaerehia ana e te āhuarangi
(3) He ātete tino pai ki te ru wera, ka taea te tu atu i ngā huringa pāmahana tere me te kore e pakaru, e pakaru rānei
(4) Te kawe wera teitei me te pumau pāmahana teitei, e pupuri ana i te hanganga pumau i raro i te pānga pāmahana tino teitei mō te wā roa
(5) He kaha te ātete ki te horo o te hau me te kakahu whakakoi, he pai mō ngā taiao oumu uaua me ngā tere rere teitei me te pānga matūriki
2. Ngā Tono e Manakohia ana
Ko ngā ngongo tiaki RSiC e whakamahia whānuitia ana i roto i ngā oumu pāmahana-tiketike, ngā oumu āhuarangi, ngā oumu maimoatanga wera ahumahi, ngā pūwero mura pāmahana-tiketike, ngā taputapu tahu uku parakore-tiketike, me ngā wāhanga tauhohenga pāmahana-tiketike motuhake. Kāore e taea te whakakapi mō ngā āhuatanga e hiahia ana ki te ātete pāmahana tino-tiketike, te parakore-tiketike, me te pumau wera tino nui.
| Āhuatanga | Si₃N₄-SiC | R-SiC | RB-SiC |
| Te Pāmahana Whakahaere mō te Wā Roa | 1350℃ | 1600℃ | 1200℃ |
| Ātete Ru Wera | Tino Pai | Pai | Waenga |
| Ngā Āhuatanga Ārai Matewai | Pai | Tino Pai | Waenga |
| Ātete ki te Waikura | Kaha (ātete ki ngā waikawa me ngā kawakore/te konganuku rewa) | Kaha (ātete ki te waikura me te waikura) | Waenga (Kaua e whakamahi i ngā kawakore kaha/konumohe rewa) |
| Pūngao | 3%–5% | 5%–8% | <1% |
| Ātete Pānga | Mana | ngoikore | Waenga |
| Ngongo Tiaki NSiC | |
| Rārangi | Raraunga |
| Te Matotoru o te Pūtake (g/cm3) | 2.75-2.82 |
| Pūngao (%) | 10-12 |
| Kaha Pehanga (MPa) | 600-700 |
| Kaha Piko (MPa) | 160-180 |
| Te Tauwehenga o Young (GPa) | 220-260 |
| Te Arahi Wera (W/MK) | 15(1200℃) |
| Whānuitanga Wera (20-1000℃) 10-6k-1 | 5.0 |
| Te Pāmahana Mahi Mōrahi (℃) | 1500 |
| Si3N4(%) | 20-40 |
| A-SIC(%) | 60-80 |
Ngā Pātai Auau
Me āwhina koe? Tirohia ā mātou wānanga tautoko mō ngā whakautu ki ō pātai!
He kaihanga tūturu mātou, he tohunga tā mātou wheketere ki te whakaputa rauemi ātete ahi mō ngā tau neke atu i te 30. Ka oati mātou ki te whakarato i te utu pai rawa atu, te ratonga pai rawa atu i mua i te hoko me muri i te hoko.
Mō ia tukanga whakaputa, he pūnaha QC katoa tā te RBT mō te hanganga matū me ngā āhuatanga ā-tinana. Ā, ka whakamatautauria e mātou ngā taonga, ā, ka tukuna atu te tiwhikete kounga me ngā taonga. Mena he whakaritenga motuhake āu, ka whakapau kaha mātou ki te whakatutuki i aua whakaritenga.
He rerekē te wā tuku i runga i te rahinga. Engari ka oati mātou ki te tuku wawe tonu me te kounga kua oti te whakapūmau.
Ko te tikanga, ka tukuna e mātou he tauira kore utu.
Āe, he pono, nau mai haere mai ki te toro mai ki te kamupene RBT me ā mātou hua.
Kāore he rohe, ka taea e mātou te whakarato i te whakaaro me te otinga pai rawa atu e ai ki tō āhuatanga.
Neke atu i te 30 tau mātou e hanga ana i ngā rauemi ātete ahi, he kaha te tautoko hangarau me te nui o ngā wheako, ka taea e mātou te āwhina i ngā kiritaki ki te hoahoa i ngā oumu rerekē me te whakarato ratonga kotahi-mutu.
