Ko ngā konganuku utu nui ko te Au, Ag, PD, Pt me ētahi atu rauemi, he pai te kawe hiko, he wera, he ātete ki te waikura, ā, he teitei te pāmahana rewa. He whānuitia te whakamahinga o ēnei i roto i ngā taputapu hiko hei hanga i ngā wāhanga ara iahiko tuwhera me te kati.
(1) Ngā āhuatanga o te whakakoi hei rauemi whakapā, ko ngā āhuatanga noa o ngā konganuku utu nui ko te iti o te wāhi whakakoi, e hiahia ana kia pai te ātete pānga o te konganuku hononga whakakoi, kia kaha te kaha, kia ātete ki te waikura, kia taea hoki te tu atu i te whakaekenga arc, engari kāore e whakarerekē i ngā āhuatanga o ngā rauemi whakapā me ngā āhuatanga hiko o ngā wāhanga. Nā te mea he iti te wāhi whakakoi whakapā, kāore e whakaaetia te waipuke o te konukōre, ā, me tino whakahaere ngā tawhā tukanga whakakoi.
Ka taea te whakamahi i te nuinga o ngā tikanga whakamahana hei whakapara i ngā konganuku utu nui me ō rātou hononga konganuku utu nui. He maha ngā wā ka whakamahia te whakapara mura mō ngā wāhanga hononga nui ake; he pai te whakapara whakapūnga mō te whakaputa papatipu. Ka taea te mahi whakapara ātete me te mīhini whakarewa ātete noa, engari me whiriwhiri he iti ake te iahiko me te roa o te wā whakapara. Ka taea te whakamahi i te poraka waro hei hikohiko. Mēnā e tika ana kia whakaparahia he maha o ngā wāhanga hononga i te wā kotahi, kia whakaparahia rānei he maha ngā hononga ki te wāhanga kotahi, ka taea te whakamahi i te whakapara oumu. Ina whakaparahia ngā konganuku rangatira mā ngā tikanga noa i te hau, he iti te kounga o ngā hononga, engari ka taea e te whakapara korehau te whiwhi hononga kounga teitei, ā, kāore ngā āhuatanga o ngā rauemi e pāngia.
(2) Ko te koura me tōna koranu te mea whiriwhiri hei konganuku whakakī whakakī. Ko ngā konganuku whakakī hiriwa me te parahi te mea e whakamahia ana mō te whakapā, e kore e whakarite noa i te kawe hiko o te hononga whakakī, engari he ngāwari hoki ki te mākū. Mena ka taea te whakatutuki i ngā whakaritenga kawe hiko o te hononga, ka taea te whakamahi i te konganuku whakakī whakakī kei roto ko te Ni, PD, Pt me ētahi atu huānga, ā, ka taea hoki te whakamahi i te konganuku whakakī whakakī me te nikara whakakī, te koranu taimana me te ātete pai ki te waikura. Mena ka whiriwhiria te konganuku whakakī whakakī Ag Cu Ti, kaua te pāmahana whakakī e neke ake i te 1000 ℃.
Kāore te waikura hiriwa i hangaia ki te mata hiriwa i te pumau, ā, he ngāwari ki te whakawera. Ka taea te whakamahi i te konganuku whakakī mata tine me te wai konutea hauota, te rosin rānei hei rere mō te whakawera. I te whakawera, he maha ngā wā ka whakamahia te konganuku whakakī hiriwa, ā, ka whakamahia te borax, te waikawa boric, me ō rātou ranunga rānei hei rere whakawera. I te whakawera korehau i ngā hononga hiriwa me te koranu hiriwa, ko ngā konganuku whakakī whakawera hiriwa te nuinga e whakamahia ana, pērā i te b-ag61culn, b-ag59cu5n, b-ag72cu, me ētahi atu.
Mō te whakakanapa i ngā hononga palladium, ka taea te whakamahi i ngā whakakanapa koura me te nickel he ngāwari ki te hanga i ngā wairewa totoka, ngā whakakanapa hiriwa, parahi, manganese rānei. He whānuitia te whakamahinga o te turanga hiriwa mō te whakakanapa i ngā hononga konukawata me te konukawata. Ko te whakakanapa parahi, koura, konukawata rānei. Mā te whiriwhiri i te konganuku whakakī whakakanapa b-an70pt30, ehara i te mea ka taea te whakarerekē i te tae o te konukawata, engari ka pai ake hoki te pāmahana rewa o te hononga whakakanapa me te whakanui ake i te kaha me te pakeke o te hononga whakakanapa. Mena ka whakakanapahia tika te hononga konukawata ki runga i te koranu kovar, ka taea te whiriwhiri i te whakakanapa b-ti49cu49be2. Mō ngā hononga konukawata me te pāmahana mahi kāore e neke ake i te 400 ℃ i roto i te reo kore-waikura, me pai ake te whakakanapa parahi parakore kore-hāora me te utu iti me te mahi tukanga pai.
(3) I mua i te whakakoi, me tirotiro te hononga whakarewa, inā koa te huihuinga whakapā. Kaua ngā hononga i werohia mai i te pereti angiangi, i tapahia rānei mai i te rīpene e whakapōturitia nā te wero me te tapahi. Me tika te mata whakakoi o te hononga i hangaia mā te huri, te pēhi pai me te hanga kia pai ai te whakapā atu ki te mata papatahi o te tautoko. Me ōrite te mata piko o te wāhanga e whakakoitia ana, te mata rānei o tētahi radius kia tika ai te pānga o te capillary i te wā e whakakoi ana.
I mua i te whakapara i ngā hononga rerekē, me tango te kiriata waikura i runga i te mata o te whakarewanga mā te whakamahi i ngā tikanga matū, ā-ringa rānei, ā, me horoi marie te mata o te whakarewanga ki te penehīni, ki te waipiro rānei hei tango i te hinu, te ngako, te puehu me te paru e aukati ana i te makuku me te rere.
Mō ngā whakarewanga iti, me whakamahi te piripiri hei whakatakoto i mua kia kore ai e neke i te wā e whakahaeretia ana te whakakī oumu me te whakakī whakarewa whakakī, ā, kaua te piripiri e whakamahia e kino ki te whakakī. Mō te whakarewanga nui, mō te pa motuhake rānei, me whakauru te huihuinga me te whakanoho mā roto i te hononga me te pou, te awaawa rānei kia pumau ai te whakarewanga.
Nā te pai o te kawe wera o ngā rauemi konganuku utu nui, me whakatau te tere whakamahana kia rite ki te momo rauemi. I te wā whakamatao, me whakahaere tika te tere kia ōrite te ahotea o te hononga whakakoi; me āhei te tikanga whakamahana i ngā wāhanga whakarewa kia eke ki te pāmahana whakakoi i te wā kotahi. Mō ngā hononga konganuku utu nui iti, me karo te whakamahana tika, ā, me whakamahi ētahi atu wāhanga mō te whakamahana arataki. Me pēhi i tētahi pēhanga ki te hononga kia mau ai te hononga ina rewa, ina rere te tūhono. Hei pupuri i te pakari o te tautoko, te tautoko rānei o te hononga, me karo te whakamahana. Ka taea te whakawhāiti i te whakamahana ki te horahanga mata whakakoi, pērā i te whakarerekē i te tūranga i te wā whakakoi mura, te whakakoi whakaawe, te whakakoi ātete rānei. Hei tāpiri, hei ārai i te rewa o ngā konganuku utu nui o te tūhono, ka taea te mahi i ngā mahi pērā i te whakahaere i te nui o te tūhono, te karo i te wera nui, te whakawhāiti i te wā whakakoi i te pāmahana whakakoi, me te whakarite kia ōrite te tohatoha o te wera.
Wā tuku: Pipiri-13-2022