Mā te hangarau paninga mō ngā irahiko karāpeti, inā koa ngā paninga ārai-mate, ka roa ake te ora o ā rātou mahi mā roto i ngā tikanga ā-tinana me ā-matū maha. Ko ngā mātāpono matua me ngā ara hangarau kua whakarārangihia penei:
I. Ngā Tikanga Matua o ngā Paninga Ārai Matewai
1. Te Wehewehenga o ngā Hau Whakahāora
I raro i ngā āhuatanga pewa pāmahana teitei, ka taea e ngā mata o te irahiko karāhe te eke ki te 2,000–3,000°C, ka puta ai ngā tauhohenga waikura kaha me te hāora o te hau (C + O₂ → CO₂). Koinei te 50–70% o te whakamahinga o te taha o te irahiko. Ka hangaia e ngā paninga ārai-waikura he paparanga hiato uku matotoru, he paparanga whakarewa-uku rānei hei aukati i te pa atu o te hāora ki te anga karāhe. Hei tauira:
Ngā Paninga RLHY-305/306: Whakamahia ngā hanganga unahi ika nano-uku hei hanga i tētahi whatunga āhua-karaehe i ngā pāmahana teitei, ka whakaiti i ngā tauwehenga horapa hāora mā te neke atu i te 90% me te whakaroa i te roa o te ora o te hiko mā te 30–100%.
Ngā Paninga Maha-Papa Aluminate-Aluminium Silicon-Boron: Whakamahia te rehu mura hei hanga i ngā hanganga whakarara. Ka taea e te paparanga konumohe o waho te tu atu i ngā pāmahana neke atu i te 1,500°C, ko te paparanga silicon o roto ia e pupuri ana i te kawe hiko, e whakaiti ana i te whakamahinga hiko mā te 18–30% i te awhe 750–1,500°C.
2. Te Whakaora-ā-Iho me te Ātete ki te Ru Wera
Me tu atu ngā paninga i te ahotea wera mai i ngā huringa whakawhanui/whakaiti auau. Ka tutuki i ngā hoahoa matatau te whakatikatika i a ia anō mā roto i:
Ngā Whakakotahitanga Paura Uku Nano-Oxide-Graphene: Hangaia he kiriata waikura matotoru i te wā tōmua o te waikura hei whakakī i ngā kapiti moroiti me te pupuri i te kounga o te paninga.
Ngā Hanganga Paparanga-rua Polyimide-Boride: Ka whakaratohia e te paparanga polyimide o waho he ārai hiko, ko te paparanga borida o roto ka whakaputa i tētahi kiriata tiaki arataki. Ka whakaitihia e te pikinga modulus elastic (hei tauira, ka heke mai i te 18 GPa i te paparanga o waho ki te 5 GPa i te paparanga o roto) te ahotea wera.
3. Te Rere me te Hiritanga Hau kua Arotauhia
He maha ngā wā ka whakauruhia ngā hangarau paninga ki ngā auahatanga hanganga, pēnei i:
Hoahoa Pūwero: Ko ngā hanganga moroiti-pūwero i roto i ngā irahiko, me te whakakotahitanga me ngā ringaringa tiaki rapa porowhita, ka whakarei ake i te hiri hononga me te whakaiti i ngā mōrearea waikura ā-rohe.
Whakakī Korehau: Ka uru ki roto i ngā wai whakakī SiO₂ (≤25%) me Al₂O₃ (≤5.0%) ki roto i ngā pūwero hiko, ka hanga he paparanga tiaki 3–5 μm e whakatoru ana i te ātete ki te waikura.
II. Ngā Huanga Taupānga Ahumahi
1. Te Hanga Rino o te Oumu Āwhata Hiko (EAF)
Te Whakaiti i te Whakamahinga Irahiko mō ia Tana o te Rino: Ka whakaitihia te whakamahinga o ngā irahiko kua rongoatia ki te antioxidant mai i te 2.4 kg ki te 1.3–1.8 kg/tana, he whakahekenga 25–46%.
Te Iti o te Whakamahinga Pūngao: Ka heke te ātete paninga mā te 20–40%, ka taea ai te whakanui ake i ngā kiato o te iahiko me te whakaiti i ngā whakaritenga diameter hiko, ka whakaiti ake i te whakamahinga pūngao.
2. Te Hanganga Hiraka i roto i te Oumu Āwhata Ruku (SAF)
Te Whakamahinga Irahiko Pūmau: Ka heke te whakamahinga o te irahiko silicon mō ia tana mai i te 130 kg ki te ~100 kg, he ~30% te hekenga.
Te Pūmautanga Hanganga Kua Whakapai Ake: Ka noho tonu te mātotoru rōrahi ki runga ake i te 1.72 g/cm³ i muri i ngā hāora 240 o te mahi tonu i te 1,200°C.
3. Ngā Whakamahinga o te Oumu Ātete
Te Pakari o te Pāmahana Teitei: Ka roa ake te ora o ngā irahiko kua rongoatia ki te 60% i te 1,800°C, me te kore e pakaru, e ngatata rānei te paninga.
III. Te Whakataurite i te Tawhā Hangarau me te Tukanga
| Momo Hangarau | Rauemi Paninga | Ngā Tawhā Tukanga | Te Whakanuia o te Roanga Ora | Ngā horopaki tono |
| Ngā paninga nano-uku | RLHY-305/306 | Matotoru o te rehu: 0.1–0.5 mm; pāmahana whakamaroke: 100–150°C | 30–100% | Ngā EAF, ngā SAF |
| Ngā paparanga maha i rehuhia ki te mura | Konumohe-konumohe silicon-boron | Paparanga silicon: 0.25–2 mm (2,800–3,200°C); paparanga konumohe: 0.6–2 mm | 18–30% | Ngā EAF mana-teitei |
| Whakakī korehau + paninga | wai hiato SiO₂-Al₂O₃-P₂O₅ | Maimoatanga korehau: 120 meneti; whakakī: 5–7 hāora | 22–60% | Ngā SAF, ngā oumu ātete |
| Ngā paninga nano whakaora-ake | Uku nano-waikura + graphene | Te whakamaroke i te infrared: 2 hāora; te pakeketanga: HV520 | 40–60% | Ngā EAF Tino Pai |
IV. Tātari Hangarau-Ōhanga
1. Utu-Painga
E 5–10% o ngā utu hiko katoa e pā ana ki ngā maimoatanga paninga, engari ka roa ake te ora o te mahi mā te 20–60%, ka whakaiti tika i ngā utu hiko mō ia tana maitai mā te 15–30%. Ka heke te whakapaunga pūngao mā te 10–15%, ka whakaiti anō i ngā whakapaunga whakaputa.
2. Ngā Painga Taiao me te Hapori
Mā te whakaiti i te auau whakakapinga hiko ka whakaitihia te kaha o te mahi a ngā kaimahi me ngā mōrearea (hei tauira, ngā weranga i te pāmahana teitei).
E hangai ana ki ngā kaupapa here penapena pūngao, e whakaiti ana i ngā tukunga CO₂ mā te ~0.5 tāne mō ia tāne o te maitai mā te whakaiti i te whakamahinga hiko.
Whakamutunga
Mā ngā hangarau paninga irahiko karāpiti ka whakatū he pūnaha tiaki maha-paparanga mā te wehewehe ā-tinana, te whakau matū, me te arotau hanganga, ka tino whakarei ake i te pakari i roto i ngā taiao pāmahana teitei, waikura. Kua whanake te ara hangarau mai i ngā paninga paparanga-kotahi ki ngā hanganga hiato me ngā rauemi whakaora-ake. Mā ngā whanaketanga ā-muri i roto i te nanotechnology me ngā rauemi kua whakarōpūtia ka piki ake te mahi paninga, ka tukuna he otinga whai hua ake mō ngā ahumahi pāmahana teitei.
Wā tuku: 01 o Ākuhata 2025