Ina tae mai ki ngā uku karawiti silicon, e rua ngā momo matua:karawiti silicon honohono tauhohengame te karawiti silicon kua whakakāhia. Ahakoa he nui te pakari me te ātete ki te kakahu o ngā momo uku e rua, he rerekētanga matua kei waenganui i ngā mea e rua.
Me tīmata tātou ki ngā uku silicon carbide honohono-tauhohenga. Kei waenga i te 85% me te 90% silicon carbide ēnei uku, ā, kei roto hoki ētahi silicon. Ko te ātete pāmahana mōrahi ko te 1380°C. Ko tētahi o ngā painga matua o ngā uku silicon carbide honohono-tauhohenga ko te taea te whakarite ki ngā rahi me ngā āhua nui. Nā tēnei ka waiho hei rauemi pai mō te hanga hua ahurei me te ngaio. Hei tāpiri, ko te iti o te tauwehenga whānui me te ātete kakahu pai o ēnei uku ka waiho hei whiringa rongonui i roto i te umanga keri awhiowhio.
He nui ake te nui o te silicon carbide i roto i te silicon carbide sintered kore-pēhanga, ka eke ki te neke atu i te 99%, ā, ko te ātete pāmahana teitei rawa atu ko te 1650°C. Ka whakauruhia he tauwehenga whānui i te wā o te tukanga sintering, ā, he mea pai te SiC sintered kore-pēhanga mō te hanga wāhanga SiC tino tika. Nā te tino tika, he maha ngā wā ka whakamahia te silicon carbide sintered kore-pēhanga hei hanga pokepokea ai me ngā wāhanga tino tika ātete-kakahu.
Haunga ngā pokepokea tika me ngā wāhanga pakaru, ka taea e ngā taputapu oumu kounga teitei mō te umanga matū te whakamahi i te ātete pāmahana pai rawa atu o te karawiti silicon sintered kore pēhanga. Mō te hunga e rapu ana i ngā ngongo whakawhiti wera whai hua mō ā rātou taputapu tukatuka matū, he tino kōwhiringa rauemi pai te karawiti silicon sintered kore pēhanga.
I te nuinga o te wā, ahakoa he pai me he ngoikoretanga te hononga tauhohenga me te sintering kore-pēhanga o ngā uku SiC, he pai mō ngā ahumahi me ngā tono rerekē. Mena kei te hiahia koe i tētahi hua ahurei, nui ake rānei te rahi e taea te tu atu ki te kakahu, ko ngā uku silicon carbide honohono tauhohenga pea te whiringa tika māu. Mō ngā wāhanga tino ngawari e hiahia ana ki te tu atu ki ngā pāmahana teitei, he pai ake pea te whiriwhiri silicon carbide sintered kore-pēhanga. Ahakoa te momo uku silicon carbide e whiriwhiria e koe, ka taea e koe te māia ka whakaratohia e ia te pakari me te pumau e hiahiatia ana e tō kaupapa.
Wā tuku: Hepetema-03-2024