Ma hope o ka holomua ʻenehana i ka hoʻouka wikiwiki ʻana i nā kaʻa ikehu hou a me nā ʻenekini mokulele ʻoi aku ka maikaʻi, aia kahi mea maʻamau akā ikaika -silika carbide seramika. ʻO kēia keramika kiʻekiʻe i haku ʻia me nā mea kalapona a me ke silika, ʻoiai ʻaʻole i kamaʻilio maʻamau e like me nā chips a me nā pila, ua lilo ia i "mea huna" i nā kahua kiʻekiʻe ma muli o kāna hana "paʻakikī".
ʻO ka hiʻohiʻona koʻikoʻi o ka silicon carbide ceramics ko lākou "super strong adaptability" i nā kaiapuni koʻikoʻi. Hiki i nā mea maʻamau ke hoʻohaʻahaʻa i ka hana ma nā wela kiʻekiʻe, e like me ka "heatstroke failure", akā hiki iā lākou ke mālama ma luna o 80% o ko lākou ikaika a hiki i 1200 ℃, a hiki ke pale i nā hopena koʻikoʻi o 1600 ℃ i ka wā pōkole. ʻO kēia kūpaʻa wela ke kū i waho i nā hiʻohiʻona wela kiʻekiʻe, e like me ka lilo ʻana i mea kumu no nā ʻāpana wela wela o nā ʻenekini mokulele. I ka manawa like, ʻo kona paʻakikī ka lua ma mua o ke daimana, me ka paʻakikī Mohs o 9.5. Hoʻohui pū ʻia me ke kūpaʻa corrosion maikaʻi loa, hiki iā ia ke mālama i ke kūpaʻa i loko o nā kaiapuni ikaika a me ka alkali, a ʻoi aku kona ola lawelawe ma mua o nā mea metala kuʻuna.
Ma nā kahua o ka uila a me ka hoʻokele wela, ua hōʻike nā silicon carbide ceramics i nā hiʻohiʻona o kahi "mea pāʻani a puni". ʻO kona conductivity thermal he mau manawa ma mua o nā alumina ceramics kuʻuna, e like me ka hoʻokomo ʻana i kahi "wela wela kūpono" ma nā mea uila, hiki ke hoʻoneʻe koke i ka wela i hana ʻia i ka wā o ka hana.
I kēia mau lā, ua laha ka hele ʻana o ka silicon carbide ceramics ma nā wahi kī he nui. I loko o nā kaʻa ikehu hou, ua hūnā ʻia i loko o ka module mana, e hoʻopōkole mālie i ka manawa hoʻopiʻi a hoʻonui i ka laulā; Ma ke kahua aerospace, hiki i nā ʻāpana turbine i hana ʻia mai ia mea ke hōʻemi i ke kaumaha o nā mea hana a hoʻonui i ka pahu; I ka hana semiconductor, ʻoi aku ka pololei a me ka paʻa o kāna mau hiʻohiʻona hoʻonui haʻahaʻa haʻahaʻa e like me nā mīkini lithography; ʻOiai i loko o ka ʻoihana nuklea, ua lilo ia i mea hana koʻikoʻi no nā reactors ma muli o kona pono kūʻē i ka radiation.
I ka wā ma mua, ʻo ke kumu kūʻai he mea keakea ia i ka hoʻolaha ʻia ʻana o nā seramika silicon carbide, akā me ka oʻo ʻana o ka ʻenehana hoʻomākaukau, ua emi mālie kona kumukūʻai, a ke hoʻomaka nei nā ʻoihana e hauʻoli i nā ʻāpana o kēia hoʻololi waiwai. Mai nā kaʻa uila no ka huakaʻi i kēlā me kēia lā a hiki i ka mokulele no ka ʻimi ʻana i ka lewa, ʻo kēia mea i ʻike ʻole ʻia "iwi paʻa" ke alakaʻi nei i ka ʻenehana i kahi ʻoi aku ka maikaʻi a hilinaʻi hoʻi ma kahi ala haʻahaʻa akā ikaika.
Ka manawa hoʻouna: Sep-23-2025