[1] [1] KRSTIC Z, KRSTIC V D. Silicon nitride: the engineering material of the future[J]. J Mater Sci, 2012, 47(2): 535-552.

[2] [2] ZOU B, HUANG C Z, CHEN M, et al. Study of the mechanical properties, toughening and strengthening mechanisms of Si3N4/Si3N4w/ TiN nanocomposite ceramic tool materials[J]. Acta Mater, 2007, 55(12): 4193-4202.

[4] [4] SUBRAMANIAM S, NITHYAPRAKASH R, ABBAS G, et al. Tribological behavior of silicon nitride-based ceramics-A review[J]. Jurnal Tribologi, 2021, 29: 57-71.

[5] [5] BADRAN Z, STRUILLOU X, HUGHES F J, et al. Silicon nitride (Si3N4) implants: the future of dental implantology?[J]. J Oral Implantol, 2017, 43(3): 240-244.

[6] [6] GUO S Q, HIROSAKI N, YAMAMOTO Y, et al. Hot-pressed silicon nitride ceramics with Lu2O3 additives: Elastic moduli and fracture toughness[J]. J Eur Ceram Soc, 2003, 23(3): 537-545.

[8] [8] LUO S C, GUO W M, PLUCKNETT K, et al. Improved toughness of spark-plasma-sintered Si3N4 ceramics by adding HfB2[J]. Ceram Int, 2021, 47(6): 8717-8721.

[9] [9] WU L X, GUO W M, LI J X, et al. Si3N4-ZrB2 ceramics prepared at low temperature with improved mechanical properties[J]. J Eur Ceram Soc, 2017, 37(13): 4217-4221.

[10] [10] YU J J, WEI W X, GUO W M, et al. Enhanced mechanical properties of Si3N4 ceramics with ZrB2-B binary additives prepared at low temperature[J]. J Eur Ceram Soc, 2019, 39(15): 5102-5105.

[11] [11] XIANG H M, XING Y, DAI F Z, et al. High-entropy ceramics: Present status, challenges, and a look forward[J]. J Adv Ceram, 2021, 10(3): 385-441.

[12] [12] ZHANG Y, JIANG Z B, SUN S K, et al. Microstructure and mechanical properties of high-entropy borides derived from boro/carbothermal reduction[J]. J Eur Ceram Soc, 2019, 39(13): 3920-3924.

[13] [13] ZHANG Y, SUN S K, GUO W M, et al. Fabrication of textured (Hf0.2Zr0.2Ta0.2Cr0.2Ti0.2)B2 high-entropy ceramics[J]. J Eur Ceram Soc, 2021, 41(1): 1015-1019.

[14] [14] FU L, ENGQVIST H, XIA W, et al. Spark plasma sintering of biodegradable Si3N4 bioceramic with Sr, Mg and Si as sintering additives for spinal fusion[J]. J Eur Ceram S℃, 2018, 38(4): 2110-2119.

[15] [15] EVANS A G, CHARLES E A. Fracture toughness determinations by indentation[J]. J Am Ceram Soc, 1976, 59(7-8): 371-372.

[16] [16] LIN R L, BAO W C, YU J J, et al. Effect of ZrB2 and its oxide impurities (ZrO2 and B2O3) on hot-pressed Si3N4 ceramics at low temperature[J]. J Eur Ceram Soc, 2021, 41(13): 6763-6766.

[18] [18] GUO W M, WU L X, MA T, et al. Chemical reactivity of hot-pressed Si3N4-ZrB2 ceramics at 1 500-1 700 ℃[J]. J Eur Ceram Soc, 2015, 35(11): 2973-2979.