Effects of discrete and simultaneous addition of SiC and Si₃N₄ on microstructural development of TiB₂ ceramics [Ceram. Int. 47 (2021) 3520–3528] (Ceramics International (2021) 47(3) (3520–3528), (S027288422032900X), (10.1016/j.ceramint.2020.09.196))

The authors regret there were errors in this paper. The correct versions of Experimental procedure, Table 2, Fig. 7, and the permission of Fig. 8 are reproduced below. The authors would like to apologise for any inconvenience caused. Admixture preparation: (1) Dispersion ultrasonically in ethanol for 30 min by an ultrasonic bath (Korea, Daihan, WUC-D10H), (2) Heating at 120 °C for 180 min on a hot-plate shaker (Germany, Heidolph, MR 3001 K), (3) Dehumidification at 100 °C for 24 h using an oven (Germany, Memmert, Universal UM), (4) Ball-milling (both cup and balls out of zirconia), and (5) Screening by a 100-mesh screen. SPS conditions: 1900 °C under 40 MPa for 7 min. FESEM: Czech Republic, Tescan, Mira3. [Table presented] [Figure presented] Fig. 7. The polished surface micrograph (FESEM) of the TSS sample along with the corresponding EDS point analysis. Fig. 8c is a backscattered electron SEM image. Fig. 9a in Ref. [100] is the secondary electron SEM of this figure. They are not same images, but due to the similarity, we got a permission (license number: 5004811143808).