Ma waho aʻe o ka 1000 ℃ kiln, i loko o ka ʻōnaehana desulfurization palekana kaiapuni ʻoihana, a i loko o nā mea hana optical precision, aia mau kahi mea e kū mālie i ka hoʻāʻo o nā wela wela - ʻo ia.silika carbide seramikaʻike ʻia ʻo "industrial black gold". Ma ke ʻano he mea koʻikoʻi i ka ʻoihana ʻenehana hou, ʻo nā waiwai wela i hōʻike ʻia e ka silicon carbide ceramics e wehewehe hou ana i ka ʻike kanaka i nā mea wela kiʻekiʻe.
1、 ʻO ka 'ala wikiwiki' o ka lawe ʻana i ka wela
Loaʻa i nā seramika silikoni ka mea hoʻoheheʻe wela e like me nā metala, me ka conductivity wela i ʻoi aku ka nui ma mua o nā mea seramika maʻamau. Hāʻawi ʻia kēia conductivity thermal kū hoʻokahi i nā ʻātoma kalapona silika i hoʻonohonoho paʻa ʻia i loko o kāna ʻano aniani, e hana ana i nā kaila hoʻoheheʻe wela. Ke hoʻoneʻe ʻia ka wela i loko o ka mea, ua like ia me ke kaʻa e holo ana ma ke ala ākea ʻole, hiki ke hoʻopuehu koke i ka wela, e pale aku i nā pōʻino palekana i hoʻokumu ʻia e ka overheating kūloko.
2、 Ka lōʻihi o ke ola ma nā wahi wela kiʻekiʻe
Ma kahi wela kiʻekiʻe loa o 1350 ℃, ʻo ka hapa nui o nā mea metala ua palupalu a deformed, ʻoiai hiki i ka silicon carbide ceramics ke hoʻomau i ka kūpaʻa. ʻO kēia kūpaʻa wela kiʻekiʻe maikaʻi loa mai ka hoʻopaʻa covalent ikaika i loko o ka mea, e like me ke kūkulu ʻana i kahi micro fortress hiki ʻole ke luku ʻia. ʻOi aku ka ʻoi aku ka kakaikahi i loko o nā kaiapuni oxidation kiʻekiʻe, ua puka mai kahi papa pale silica nui ma luna o kona ʻili, e hana ana i kahi "pale pale" maoli.
3、 ʻO ka 'Endurance King' o ke kaua hoʻomanawanui kiʻekiʻe
I loko o ka heihei marathon o ka mālama ʻana i nā wela kiʻekiʻe, ʻike nā mea he nui i ka hoʻohaʻahaʻa ʻana i ka hana ma muli o ka hoʻomehana lōʻihi, ʻoiai ʻo ka hopena sintered silicon carbide ceramics e hōʻike ana i ke kūpaʻa kupaianaha. Aia ka mea huna i ka hoʻolālā palena ʻāina kūʻokoʻa - he ʻano pūnaewele ʻekolu-dimensional i hoʻokumu ʻia ma o ka ʻenehana sintering reaction, e like me ka hoʻopili ʻana i nā miliona o nā "pune heleuma" micro i ka mea. ʻOiai ma hope o nā kaukani mau hola o ka kuke ʻana i ka wela kiʻekiʻe, hiki iā ia ke laka i ka paʻa o ka microstructure. ʻO kēia hiʻohiʻona ke koho maikaʻi loa e hoʻololi i nā mea metala kuʻuna i nā hiʻohiʻona e like me ka hoʻolei mau ʻana i nā wili i loko o ka ʻoihana metallurgical a me nā ʻāpana haʻahaʻa haʻahaʻa kiʻekiʻe i nā mea kemika. Ua wehewehe ʻo ia i ke ʻano "ʻaʻole mae ka wela kiʻekiʻe" me ka "ikaika paʻakikī".
Inā pono kāu hāmeʻa e hoʻokūkū i nā palena wela, ʻo ka reaction sintered silicon carbide ceramics paha ka 'mea hoʻoponopono wela' hilinaʻi. Ma ke ʻano he loea ʻoihana loea i ka ʻenehana sintering reaction,ʻO Shandong Zhongpenghoʻohana i nā ʻenehana patented like ʻole e hoʻomaikaʻi i ka ikaika mechanical a me ka hana ʻana i ka hana o nā mea me ka mālama ʻana i nā waiwai wela maikaʻi loa. ʻAʻole hōʻemi wale kēia ʻenehana ʻenehana i nā kumukūʻai hana, akā hōʻike pū kekahi i nā manaʻo noiʻi ākea no ka silicon carbide ceramics i nā ʻoihana ʻoihana e kū mai ana.
Ka manawa hoʻouna: Mei-16-2025