Pae Porowhita Kowiri tira me te Kounga Pai
Whakataki Hua
Rino (Fe): ko te huānga whakarewa taketake o te maitai kore waikura;
Chromium (Cr): ko te huānga matua hanga ferrite, ka taea e te chromium me te hāora te whakaputa i te kiriata passivation Cr2O3 ātete-waikura, ko tētahi o ngā huānga taketake o te kowiri tira hei pupuri i te ātete waikura, ka whakanui ake te ihirangi chromium i te kaha whakatika kiriata passivation o te maitai, ko te ihirangi chromium o te kowiri tira whānui me neke ake i te 12%;
Waro (C): he huānga hanga austenite kaha, ka taea te whakapai ake i te kaha o te maitai, hei tāpiri atu ki te ātete ki te waikura, he pānga kino anō hoki tō te waro;
Ko te Nikara (Ni): te huānga matua e hanga ana i te austenite, ka taea te whakaroa i te waikura o te maitai me te tipu o ngā kakano i te wā e whakamahana ana;
Ko te Niobium, te titanium (Nb, Ti): he huānga hanga carbide kaha, ka taea te whakapai ake i te ātete o te maitai ki te waikura intergranular. Heoi, he pānga kino tō te titanium carbide ki te kounga o te mata o te kowiri tira, nō reira ko te kowiri tira he nui ngā whakaritenga mata ka whakapai ake mā te tāpiri i te niobium hei whakapai ake i te mahi.
Hauota (N): he huānga kaha hanga austenite, ka taea te whakapai ake i te kaha o te maitai. Engari he nui ake te pānga o te pakaru tawhito o te maitai kore waikura, nō reira ko te kaupapa matua o te maitai kore waikura i te wā e tāia ana he tino whakahaere i te nui o te hauota.
Ko te whāwhā, te whanariki (P, S): he huānga kino i roto i te maitai kore waikura, ka pā kino pea te ātete ki te waikura me te takai o te maitai kore waikura.
Whakaaturanga Hua
Rauemi me te Mahi
| Rauemi | Ngā Āhuatanga |
| 310S maitai kore waikura | Ko te kowiri tira 310S he kowiri tira chromium-nickel austenitic me te ātete pai ki te waikura me te waikura, nā te nui ake o te ōrau o te chromium me te nickel, he kaha ake te ngoki o te 310S, ka taea tonu te mahi i ngā pāmahana teitei, me te ātete pai ki te pāmahana teitei. |
| Pae porowhita kowiri tira 316L | 1) He ātaahua, he kanapa hoki te āhua o ngā hua kua hurihia matao. 2) he ātete pai rawa atu ki te waikura, inā koa te ātete ki te pakaru, nā te tāpiri o te Mo 3) he kaha pāmahana teitei tino pai; 4) he tino pai te whakapakeketanga mahi (ngoikore ngā āhuatanga aukume i muri i te tukatuka) 5) kore-aukume i roto i te āhua wairewa totoka. |
| 316 kowiri tira maitai porowhita | Ngā Āhuatanga: Ko te maitai kore waikura 316 te tuarua o ngā maitai e whakamahia whānuitia ana i muri i te 304, e whakamahia whānuitia ana i roto i te umanga kai me ngā taputapu pokanga, nā te tāpiri o te Mo, nō reira he tino pai tōna ātete ki te waikura, te ātete ki te waikura o te hau me te kaha o te pāmahana teitei, ka taea te whakamahi i roto i ngā āhuatanga uaua; he tino pai te whakapakeketanga mahi (kore-aukume). |
| 321 kowiri tira maitai porowhita | Ngā Āhuatanga: Te tāpiri i ngā huānga Ti ki te maitai 304 hei ārai i te waikura o te rohe witi, he pai mō te whakamahi i ngā pāmahana 430 ℃ - 900 ℃. Haunga te tāpiri i ngā huānga titanium hei whakaiti i te tūponotanga o te waikura o te rauemi whakarewa, he rite tonu ngā āhuatanga ki te 304. |
| 304L maitai porowhita kowiri tira | Ko te maitai porowhita kowiri tira 304L he momo rerekē o te maitai kowiri tira 304, he iti ake te ihirangi waro, ā, e whakamahia ana i ngā mahi e hiahiatia ana te whakarewa. Mā te iti o te ihirangi waro ka whakaitihia te maturuturunga o te waro i roto i te rohe e pāngia ana e te wera e tata ana ki te whakarewa, ka arahi pea ki te waikura intergranular (te memeha o te whakarewa) o te maitai kowiri tira i roto i ētahi taiao. |
| Kowiri tira 304 porowhita maitai | Ngā Āhuatanga: Ko te maitai kore waikura 304 tētahi o ngā maitai kore waikura chromium-nickel e whakamahia whānuitia ana, he ātete pai ki te waikura, ki te wera, ki te iti te kaha o te pāmahana me ngā āhuatanga miihini. He ātete ki te waikura i roto i te hau, ki te mea kei roto i te hau ahumahi, i ngā wāhi poke nui rānei, me horoi i te wā tika kia kore ai e waikura. |
Te Whakamahinga Noa
He whānui te whakamahinga o te kowiri tira porowhita, ā, he whānui te whakamahinga i roto i ngā taputapu me ngā taputapu kīhini, te hanga kaipuke, te hinu matū, te mīhini, te rongoā, te kai, te hiko, te pūngao, te rererangi, me ētahi atu, te hanga me te whakapaipai. Ngā taputapu hei whakamahi i roto i te wai moana, te matū, te tae, te pepa, te waikawa oxalic, te tongi me ētahi atu taputapu whakaputa; te whakaahua, te ahumahi kai, ngā whare takutai, ngā taura, ngā tokotoko CD, ngā pūtu, ngā nati.
Ngā Hua Matua
Ka taea te wehewehe i ngā pae porowhita kowiri tira ki te takai wera, te hanga me te tō matao e ai ki te tukanga whakaputa. Ko ngā whakatakotoranga o te kowiri tira porowhita wera-takai mō te 5.5-250 mm. I roto i ēnei: Ko te 5.5-25 mm o te kowiri tira porowhita iti e tukuna ana i roto i ngā paihere pae tika, e whakamahia whānuitia ana hei pae maitai, hei pūtu me ngā wāhanga miihini; ko te kowiri tira porowhita neke atu i te 25 mm, e whakamahia whānuitia ana i roto i te hanga wāhanga miihini, i roto rānei i ngā pire maitai kore hononga.
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