Japanese cov kws tshawb nrhiav tau siv polycrystalline cov cuab yeej pob zeb diamond los txiav al2o3 ceramics thiab SI3N4 ceramics. Nws tau pom tias cov coarse-grashed polycrystalline cov cuab yeej pob zeb diamond tau tsawg dua thaum lub sij hawm txiav ua tau zoo. Thaum txiav ZRO2 ceramics nrog cov cuab yeej pob zeb diamond, nws tau mus txog cov nyhuv yog zoo ib yam li thaum txiav hlau. Lawv tshawb txog cov kev txwv ntawm cov khaub teb yas txiav. Qhov tseem ceeb txiav qhov tob ntawm Al2o3 Ceramics yog APMAX = 2um, Sic Ceramics APMAX, 4UM (AP>
Lub Sijhawm Post: Dec-17-2018