[1] [1] KRSTIC Z, KRSTIC V D. Young’s modulus, density and phase composition of pressureless sintered self-sealed Si3N4/BN laminated structures［J］. Journal of the European Ceramic Society, 2008, 28(8): 1723-1730.

[2] [2] LONG M L, LI Y, QIN H X, et al. Mechanism of active and passive oxidation of reaction-bonded Si3N4-SiC refractories［J］. Ceramics International, 2017, 43(14): 10720-10725.

[6] [6] LUKIANOVA O A, KRASILNIKOV V V, PARKHOMENKO A A, et al. Microstructure and phase composition of cold isostatically pressed and pressureless sintered silicon nitride［J］. Nanoscale Research Letters, 2016, 11(1): 148.

[7] [7] LIANG H Q, ZENG Y P, ZUO K H, et al. The effect of oxidation on the mechanical properties and dielectric properties of porous Si3N4 ceramics［J］. Ceramics International, 2017, 43(7): 5517-5523.

[8] [8] DING H H, HU Y, LI X L, et al. Microstructure, mechanical properties and sintering mechanism of pressureless-sintered porous Si3N4 ceramics with YbF3-MgF2 composite sintering aids［J］. Ceramics International, 2020, 46(2): 2558-2564.

[10] [10] SHEN M Y, ZHAO H F, FENG W W, et al. Porous silicon nitride for scaffold material by direct forming with protective gelling［J］. Ceramics International, 2021, 47(20): 29342-29354.

[11] [11] GAL C W, OH J W, SONG G W, et al. Rheological and thermal debinding behaviors of silicon nitride in powder injection molding［J］. Ceramics International, 2019, 45(14): 16982-16991.

[12] [12] WEN J X, ZHU T B, XIE Z P, et al. A strategy to obtain a high-density and high-strength zirconia ceramic via ceramic injection molding by the modification of oleic acid［J］. International Journal of Minerals, Metallurgy, and Materials, 2017, 24(6): 718-725.

[13] [13] TAN D W, GUO W M, LAO Z Y, et al. A novel strategy for c-axis textured silicon nitride ceramics by hot extrusion［J］. Journal of the European Ceramic Society, 2021, 41(12): 6059-6063.

[14] [14] NAGAOKA T, DURAN C, ISOBE T, et al. Hydraulic alumina binder for extrusion of alumina ceramics［J］. Journal of the American Ceramic Society, 2007: 90(12): 3998-4001.

[15] [15] MUSCAT D, PUGH M D, DREW R A L, et al. Microstructure of an extruded beta-silicon nitride whisker-reinforced silicon nitride composite［J］. Journal of the American Ceramic Society, 1992, 75(10): 2713-2718.

[16] [16] JIANG G P, YANG J F. Extrusion of highly porous silicon nitride ceramics with bimodal pore structure and improved gas permeability［J］. Journal of the American Ceramic Society, 2018, 101(2): 520-524.