I te mākete, he mōhio ake tātou ki ngā rauemi uku motuhake: te silicon carbide, te alumina, te zirconia, te silicon nitride. Mā te tono whānui o te mākete, ka tātarihia ngā painga o ēnei momo rauemi.
He iti te utu o te silicon carbide, he pai te ātete ki te horo, he kaha teitei, ko te ngoikoretanga nui ko te ngāwari ki te waikura, me te uaua ki te whakahinuhinu. Ko te alumina te mea iti te utu, ā, kua tino pakari te tukanga whakarite o ngā rauemi mata paura, engari he mārama ngā ngoikoretanga o te zirconia me te silicon nitrous oxide i tēnei āhuatanga, koinei hoki tētahi o ngā arai e aukati ana i te whanaketanga o ngā mea whakamutunga e rua. Ko te silicon nitride te mea tino utu nui.
Mō te mahi, ahakoa he pai ake te kaha, te pakari me ētahi atu āhuatanga miihini o te silicon nitride me te zirconia i te alumina, te āhua nei he tika te utu, engari he maha ngā raruraru. Tuatahi mai i te zirconia, he pakari teitei, ko te take he mea whakaū, engari he tairongo te pakari teitei ki te wā, kāore e taea te whakamahi i te pāmahana teitei, ā, he tino aukati te pāmahana rūma i te whanaketanga hē o te waikura, me kī ko ia te mea iti rawa o ngā mea e toru i te mākete. Ā, ko te silicon nitride, he uku rongonui hoki i ngā tau rua tekau kua pahure ake nei, he pai te kaha o te ru wera me ētahi atu mahi whānui, engari he iti iho te whakamahinga pāmahana i ngā mea e rua; he uaua ake te tukanga whakarite o te silicon nitride i te alumina, ahakoa he pai ake te tono o te wāhanga silicon nitride i te zirconia, engari kāore tonu i te pai te whakataurite whānui ki te alumina.
Ko te utu iti, te mahi pumau, me te kanorau o ngā hua o ngā uku alumina te whakamahinga tuatahi, ā, kua whakamahia ki ngā uku motuhake o nāianei.
Wā tuku: Hanuere-22-2022