Whānuiwhakamārama o teTauhohengaSiC herea
He āhuatanga ā-pūkaha, ā, he ātete hoki ki te waikura te SiC Hononga Tauhohenga. He iti noa te utu. I roto i te hapori o nāianei, kua nui haere te aro o ngā momo ahumahi ki tēnei mea.
He hononga honohono tino kaha te SiC. I roto i te sintering, he tino iti te tere horapa. I taua wā anō, he maha ngā wā ka kapi te mata o ngā matūriki i tētahi paparanga waikura angiangi e mahi ana hei ārai horapa. Kāore te SiC parakore e sintering, ā, he kikī hoki me te kore he tāpiringa sintering. Ahakoa ka whakamahia te tukanga pēhi wera, me whiriwhiri hoki i ngā tāpiringa e tika ana. I ngā pāmahana tino teitei anake, ka taea te whiwhi i ngā rauemi e tika ana mō te kiato hangarau e tata ana ki te kiato ariā, me noho i te awhe mai i te 1950 ℃ ki te 2200 ℃. I taua wā anō, ka iti te āhua me te rahi. Ahakoa ka taea te whiwhi i ngā hiato SIC mā te whakatakotoranga kohu, ka iti noa iho ki te whakarite i ngā rauemi kiato iti, paparanga angiangi rānei. Nā te roa o te wā marino, ka piki ake te utu o te whakaputa.
I hangaia te SiC Hononga Tauhohenga i te tekau tau atu i 1950 e Popper. Ko te kaupapa matua ko:
I raro i te mahi a te kaha o te kapia, ka uru te silicon wai, te koranu silicon rānei he kaha tauhohe ki roto i ngā uku porowhita kei roto te waro, ā, ka hangaia he silicon waro i roto i te tauhohenga. Ka herea te silicon carbide hou ki ngā matūriki silicon carbide taketake kei roto, ā, ka whakakīia ngā pūwero toenga i roto i te whakakī ki te kaihoko whakakī hei whakaoti i te tukanga whakakī.
Ki te whakatauritea ki ētahi atu tukanga o ngā uku silicon carbide, ko ngā āhuatanga o te tukanga sintering e whai ake nei:
He iti te pāmahana tukatuka, he poto te wā tukatuka, kāore e hiahiatia he taputapu motuhake, he taputapu utu nui rānei;
Ngā wāhanga honohono tauhohenga, kāore e mimiti, kāore hoki e rerekē te rahi;
Ngā momo tikanga hanga rerekē (te whakaputa, te werohanga, te pēhi me te ringihanga).
He maha atu ngā tikanga mō te hanga. I te wā e whakatōngia ana, ka taea te whakaputa i ngā hua rahi me ngā hua uaua me te kore e pēhanga. Kua akohia te hangarau Tauhohenga Herenga o te silicon carbide mō te haurua rautau. Kua noho tēnei hangarau hei tetahi o ngā arotahi a ngā momo ahumahi nā ōna painga ahurei.
Te wā tuku: Mei-04-2018