Abacwaningi baseJapan basebenzise amathuluzi edayimane e-polycrystalline ukusika izitsha zobumba ze-Al2O3 kanye nezitsha zobumba ze-Si3N4. Kutholakale ukuthi amathuluzi edayimane e-polycrystalline aqinile ayenokuguga okuncane ngesikhathi senqubo yokusika futhi umphumela wokucubungula wawumuhle. Lapho besika izitsha zobumba ze-ZrO2 ngamathuluzi edayimane, kwafinyelela umphumela ofanayo nalapho besika insimbi. Bahlole imikhawulo yokusika ipulasitiki ye-ceramic. Ukujula okubucayi kokusika kwezitsha zobumba ze-Al2O3 kungu-apmax=2um, i-SiC ceramics apmax=1um, i-Si3N4 ceramics apmax=4um (ap>apmax, izinto zobumba zizobangela ukwehluleka okubuthakathaka; lapho ap
Isikhathi sokuthunyelwe: Disemba 17-2018