Ngongo Tukanga Horoho Silicon Carbide SiC
Ngā Ngongo Ouma Horapa Silicon Carbidehe wāhanga matua ēnei e whakamahia ana i roto i ngā tukanga haurua-ira, te maimoatanga wera pāmahana-tiketike, me te whakarite rauemi. E whakamahia ana ēnei hei rūma tautoko me te ruma tauhohenga mō ngā oumu horapa, ngā oumu whakahāora rānei, e mahi ana i ngā tukanga pēnei i te tauhohenga āhuarangi, te whakahāora, te horapa, me te whakamahana i roto i ngā taiao pāmahana-tiketike, tino waikura.
He tohunga a VET Energy ki te hoahoa me te hanga i ngā ngongo silicon carbide (SiC) mō ngā tono haurua-haurua pāmahana-tiketike me te waikura. Mā ngā whare whakaputa matatau me ngā hangarau CVD me te sintering motuhake, ka tukuna e mātou ngā ngongo he tino pumau te pāmahana, he ātete ki te waikura, ā, he roa te ora ratonga.
Ngā painga o ngā ngongo SiC a VET Energy:
Te Parakore Tino-Teitei:Mā te whakamahi i tētahi tukanga sintering motuhake ka whakaitihia ngā poke konganuku kino (pērā i te Na, K, Fe, me te Al) ki te taumata ppb.
Tino iti te whakaputa hau:I raro i ngā taiao pāmahana teitei, korehau teitei, he iti iho te whakaputanga hau i tērā o te kuata, ā, he pai te ārai i te poke o te rūma tukatuka, te whakarite i te kounga ā-roto o ngā kiriata angiangi kua whakatakotoria, te tipu tioata rānei, ā, he pai ake te whakapai ake i te hua o te hua (he mea tino nui mō te epitaxy SiC, te tipu GaN, me te hanga silicon tioata-kotahi kounga teitei).
Te Pūmautanga o te Pāmahana Teitei:Ka taea te neke atu i te 1600°C (kei runga ake i te pūwāhi whakangawari o te kuata, tata ki te 1200°C) ngā pāmahana mahi mō te wā roa, ā, ka taea e ngā pāmahana poto te tu atu ki ngā pāmahana teitei ake (pēnei i te 1800°C), e tutuki ai ngā whakaritenga pāmahana tino tiketike o ngā haurua-ā-ira me ngā tukanga tipu tioata o te whakatupuranga tuatoru.
Ātete ki te Waikura Matū:He tino ātete ki ngā hau tino waikura pērā i te HCl, Cl₂, me te HF, tae atu ki te silicon rewa me te kohu whakarewa, e pupuri ana i te āhua hanganga me te mutunga o te mata i roto i ngā āhuarangi uaua pērā i te CVD, te horapa, te waikura, me te whakairo, ā, he roa ake te ora i tērā o ngā ngongo oumu quartz.
Te kawe wera tino pai:He maha ngā wā ka nui ake tōna kawe wera i tō te kuata, e āhei ai te tere me te ōrite o te tohatoha pāmahana o te oumu, me te whakapai ake i te ōritetanga o te tukanga me te auautanga o te mahi. He mea tino nui tēnei mō te tukatuka horahanga nui, maha-wafer (hei tauira, ngā oumu horapa photovoltaic me ngā tauhohenga MOCVD).
Te Pūmautanga o te Ahu:Nā te iti rawa o te tauwehenga whakawhanui wera, ka mau tonu te āhua o te ngongo oumu ahakoa te piki me te heke o te pāmahana, ā, ka ārai i te pakaru o te hiri, te kukū ahotea rānei i puta mai i te whakawhanui me te whakahekenga wera.
Te pakari:Nā te pakeke me te kaha teitei ka tino pai te āhua o te ngongo oumu, ka ātete ki te rerekētanga me te pakaru.
Te Whakamahinga Noa:
Te Hanganga Ārahi-Hau:Te tipu epitaxial SiC/GaN (MOCVD, HTCVD), te epitaxy e hangai ana ki te silicon, te horapa/waikura/whakamahana pāmahana-tiketike (RTP), me te LPCVD.
Ahumahi Photovoltaic:Te horapa i te pāmahana teitei (te horapa o te phosphorus/boron) me te whakamahana i ngā pūtau rā silicon tioata.
| 重结晶碳化硅物理特性 Ngā āhuatanga ā-tinana o te Silicon Carbide kua Whakakāhia anō | |
| 性质 / Taonga | 典型数值 / Uara Noa |
| 使用温度/ Te pāmahana mahi (°C) | 1600°C (me te hāora), 1700°C (taiao whakaiti) |
| SiC含量/ Ihirangi SiC | > 99.96% |
| 自由Si含量/ Ngā ihirangi Si Koreutu | < 0.1% |
| 体积密度/Kīanga papatipu | 2.60-2.70 karamu/cm3 |
| 气孔率/ Te āhua o te pūngao | < 16% |
| 抗压强度/ Kaha pēhanga | > 600MPa |
| 常温抗弯强度/Kaha piko makariri | 80-90 MPa (20°C) |
| 高温抗弯强度Kaha piko wera | 90-100 MPa (1400°C) |
| 热膨胀系数/ Te whānui wera i te 1500°C | 4.70 10-6/°C |
| 导热系数/Te kawe wera @1200°C | 23W/m•K |
| 杨氏模量/ Te tauwehenga rapa | 240 GPa |
| 抗热震性/ Ātete ki te ru wera | Tino pai |
He kaihanga ngaio a VET Energy e arotahi ana ki te R&D me te hanga rauemi matatau teitei pēnei i te graphite, te silicon carbide, te quartz, me te maimoatanga rauemi pēnei i te paninga SiC, te paninga TaC, te paninga waro karāhe, te paninga waro pyrolytic, me ētahi atu. E whakamahia whānuitia ana ēnei hua i roto i te photovoltaic, te semiconductor, te pūngao hou, te metallurgy, me ētahi atu.
Nō ngā umanga rangahau ā-rohe matua tā mātou tīma hangarau, ā, ka taea e rātou te whakarato i ngā otinga rauemi ngaio ake māu.
Ko ngā painga o VET Energy ko:
• He wheketere ake, he taiwhanga ngaio hoki;
• Ngā taumata parakore me te kounga matua o te ahumahi;
• Utu whakataetae me te wā tuku tere;
• Ngā hononga mahi tahi maha puta noa i te ao;
Nau mai ki te toro mai ki tā mātou wheketere me te taiwhanga i ngā wā katoa!
