Masu bincike na Japan sun yi amfani da kayan aikin lu'u-lu'u na polycrystalline don yanke yumbu na Al2O3 da yumbu na Si3N4. An gano cewa kayan aikin lu'u-lu'u masu kauri da aka yi da polycrystalline ba su da lalacewa sosai yayin yankewa kuma tasirin sarrafawa yana da kyau. Lokacin yanke yumbu na ZrO2 da kayan aikin lu'u-lu'u, ya kai ga Tasirin yana kama da lokacin yanke ƙarfe. Sun bincika iyakokin yanke filastik na yumbu. Zurfin yankewa mai mahimmanci na yumbu na Al2O3 shine apmax=2um, tukwane na SiC apmax=1um, tukwane na Si3N4 apmax=4um (ap>apmax, kayan yumbu za su haifar da gazawar rauni; lokacin da ap
Lokacin Saƙo: Disamba-17-2018