I te wā o te tukanga whakapūkara, ko te tikanga moroiti e hua ai te hekenga o te mātotoru tūturu nā te "wera nui" e pā ana ki te waikura, te rewa rānei o te rohe o te witi, te tipu rerekē o te witi, me te kino o te hanganga, e tātarihia ana i raro nei:
- Te waikura, te rewa rānei o te rohe witi: Te ngaronga o te kaha here i waenga i ngā witi
Te hanganga o ngā āhua eutectic iti-rewa: Ina nui ake te pāmahana whakapūkara i te pūwāhi rewa o ngā eutectic iti-rewa i roto i te rauemi, ka rewa te hanganga eutectic i ngā rohe o te kōhao, ka hanga he āhua wai. Hei tauira, i roto i ngā koranu konumohe, ka puta pea he porowhita kua rewa anō, he rohe tapatoru kua rewa anō rānei, i roto i ngā maitai waro, ka puta pea te waikura rohe kōhao, te rewa ā-rohe rānei.
Te urunga o ngā hau whakapūngao: I ngā pāmahana tiketike, ka horapa ngā hau whakapūngao (pērā i te hāora) ki ngā rohe o te kōhatu ka tauhohe ki ngā huānga o roto i te rauemi, ka puta he waikura. Ka ngoikore ake te kaha o te here i waenga i ngā kōhatu i ēnei waikura, ka hua ake te wehenga o te kōhatu.
Te kino o te hanganga: I muri i te rewa o te rohe o te witi, i te waikura rānei, ka tino heke te kaha o te here i waenga i ngā kirikiri, ka hua ake he kapiti moroiti, he pūwero rānei i roto i te rauemi. Ka whakaitihia te papatipu whai hua mō ia rōrahi, ka heke iho te kiato tūturu. - Te tipu rerekē o te witi: Te pikinga ake o ngā hapa o roto
Te whakakoi o te witi nā te wera nui: He maha ngā wā ka haere tahi te wera nui me te wera nui, ka tere te tipu o ngā witi austenite i ngā pāmahana wera nui rawa, i ngā wā pupuri roa rānei. Hei tauira, ka whanake pea ngā hanganga Widmanstätten i roto i ngā maitai waro i muri i te wera nui, engari ka hangaia pea e ngā maitai taputapu he ledeburite rite ki te wheua ika.
Te pikinga ake o ngā hapa o roto: Tērā pea he nui ake ngā hapa o ngā kakano taratara pērā i ngā nekehanga me ngā takoto kau, ka whakaiti i te mātotoru o te rauemi. Hei tāpiri, ka puta pea ngā pūwero hau, ngā kapiti moroiti rānei i te wā e tipu ana te kakano, ka whakaiti ake i te papatipu mō ia rōrahi.
Te whakaiti i te papatipu whai hua: Ko te tipu rerekē o te kōpura ka arahi ki te hanganga o roto o te rauemi he ngoikore, ka heke te papatipu whai hua mō ia rōrahi, ā, ka hua ake te hekenga o te kiato tūturu. - Te kino o te hanganga moroiti: Te hekenga o ngā āhuatanga o te rauemi
Ngā porowhita rewa anō me ngā rohe tapatoru rewa anō: I roto i ngā koranu konumohe me ētahi atu rauemi, ka taea e te tahunga nui te arahi ki te hanganga o ngā porowhita rewa anō, ngā rohe tapatoru rewa anō rānei i ngā rohe kōhatu. Ka whakararuraru te noho tonu o te rauemi i te aroaro o ēnei rohe, ā, ka whakanui ake i te pūngao.
Te whānui haere o te rohe o te witi me ngā kapiti moroiti: I muri i te wera nui, ka whānui haere pea ngā rohe o te witi nā te waikura, te rewa rānei, me te hanganga o ngā kapiti moroiti. Ka taea e ēnei kapiti moroiti te uru mā roto i te rauemi, ka heke te mātotoru tuturu.
Te kore e taea te hoki whakamuri o ngā āhuatanga: Ko te kino o te hanganga moroiti i puta mai i te wera nui rawa he mea kāore e taea te hoki whakamuri, ā, ahakoa te maimoatanga wera i muri mai, e kore pea e tino whakahokia mai te mātotoru taketake o te rauemi.
Ngā tauira me te manatoko
Te tahunga nui o ngā koranu konumohe: Ina nui ake te pāmahana whakamahana o ngā koranu konumohe i tōna pāmahana eutectic iti-rewa, ka whakakiki ngā rohe kōhatu, ka rewa rānei, ka hanga he porowhita rewa anō, he rohe tapatoru rānei kua rewa anō. Ko te noho mai o ēnei rohe ka tino whakaiti i te kiato tūturu o te rauemi, ā, ka heke tere ngā āhuatanga ā-pūkaha.
Te tahunga nui o ngā maitai waro: Whai muri i te tahunga nui, ka puta pea he whakaurunga pēnei i te waikura rino, te konupūmā whanariki rānei i ngā rohe o te kōhatu i roto i ngā maitai waro, ka ngoikore ai te kaha o te hononga i waenga i ngā kōhatu, ā, ka wehea ai te kōhatu. Hei tāpiri, ka puta pea he hanganga Widmanstätten i te tahunga nui, ka whakaiti ake i te mātotoru o te rauemi.
Wā tuku: 27 Paenga-whāwhā 2026