Ua hoʻohana nā kānaka noiʻi Kepanī i nā mea hana daimana polycrystalline e ʻoki i nā keramika Al2O3 a me nā keramika Si3N4. Ua ʻike ʻia he emi ka ʻaʻahu o nā mea hana daimana polycrystalline coarse-grained i ka wā o ke kaʻina hana ʻoki a maikaʻi ka hopena hana. I ka ʻoki ʻana i nā keramika ZrO2 me nā mea hana daimana, ua like ka hopena me ka ʻoki ʻana i ka metala. Ua ʻimi lākou i nā palena o ka ʻoki ʻana i ka palakiko keramika. ʻO ka hohonu ʻoki koʻikoʻi o nā keramika Al2O3 he apmax=2um, nā keramika SiC apmax=1um, nā keramika Si3N4 apmax=4um (ap>apmax, e hana nā mea keramika i ka hāʻule ʻana o ka brittle; i ka wā ap
Ka manawa hoʻouna: Dec-17-2018