Figures & data
Figure 1. SEM of the mirror-polished surface of Si3N4 ceramic: (a) Pore dispersion, (b) grain shape.
![Figure 1. SEM of the mirror-polished surface of Si3N4 ceramic: (a) Pore dispersion, (b) grain shape.](/cms/asset/8eae0507-16e6-4898-a9e1-10ad368ce73f/tace_a_2337416_f0001_b.gif)
Figure 4. COF value of Si3N4 ceramic with different LST patterns as a function of the sliding time under the different loading force: (a) 5 N, (b) 10 N, (c) 15 N.
![Figure 4. COF value of Si3N4 ceramic with different LST patterns as a function of the sliding time under the different loading force: (a) 5 N, (b) 10 N, (c) 15 N.](/cms/asset/7f3d757c-f7f8-40d6-829c-b4d63235fac5/tace_a_2337416_f0004_oc.jpg)