[1] WADA M, SEKION T, KUSUNOSE T, et al. Effects of fine alumina dispersion on ionic conductivity and mechanical properties of ytterbia stabilized cubic zirconia［J］. Mater Res Innovations, 2004, 8(2): 115-120.

[2] ZENG P. Biocompatible alumina ceramic for total hip replacement［J］. Mater Sci Technol, 2008, 24(5): 505-516.

[3] KUMAR A S, DURAI A R, SORNAKUMAR T. Machinability of hardened steel using alumina based ceramic cutting tools［J］. Int J Refract Met Hard, 2003, 21(3): 109-117.

[4] JIN P, GAO Y L, LIU N, et al. Design and fabrication of alumina micro reciprocating engine ［J］. J Harbin Inst Technol, 2008, 15(6): 801-804.

[7] MANSHOR H, ARIS S M, AZHAR A Z A, et al. Effects of TiO2 addition on the phase, mechanical properties, and microstructure of zirconia-toughened alumina ceramic composite［J］. Ceram Int, 2015, 41(3): 3961-3967.

[9] TAN P, YANG Y, SUI Y D, et al. Influence of CeO2 addition on the microstructure and mechanical properties of Zirconia-toughened alumina (ZTA) composite prepared by spark plasma sintering［J］. Ceram Int, 2020, 46(6): 7510-7516.

[10] MAHMOOD A A, GAFUR M, HOQUE M. Effect of MgO on the physical, mechanical and microstructural properties of ZTA-TiO2 composites［J］. Mater Sci Eng A, 2017, 707: 117-124.

[11] AZHAR A Z A, SHAWAL S H MSKT, MANSHOR H, et al. The effects of CeO2 addition on the physical and microstructural properties of ZTA-TiO2 ceramics composite［J］. J Alloys Compd, 2019, 773: 27-33.

[12] SUI Y D, HAN L N, JIANG Y H, et al. Influence of Er2O3 content on microstructure and mechanical properties of ZTA-TiO2 composites［J］. J Rare Earths, 2019, 27(3): 299-304.

[13] SUI Y D, HAN L N, JIANG Y H, et al. Effect of Ta2O5 addition on the microstructure and mechanical properties of TiO2-added yttria-stabilized zirconia-toughened alumina (ZTA) composites［J］. Ceram Int, 2018, 44: 14811-14816.

[14] SKTANI Z D I, AZHAR A Z A, RATNAM M M, et al. The influence of in-situ formation of hibonite on the properties of zirconia toughened alumina (ZTA) composites［J］. Ceram Int, 2014, 40(4): 6211-6217.

[15] SKTANI Z D I, RATNAM M M, AHMAD Z A. Influence of combined CaO and CaCO3 additions on the microstructure and properties of ZTA［J］. J Australas Ceram Soc, 2016, 52(1): 167-176.

[16] AHMAD Z A, REJAB N A, SKTANI Z D I. Tougher and harder zirconia toughened alumina (ZTA) composites through in situ microstructural formation of LaMgAl11O19［J］. Int J Refract Met Hard, 2019, 79: 60-68.

[17] RIU D H, KONG Y M, KIM H E. Effect of Cr2O3 addition on microstructural evolution and mechanical properties of Al2O3［J］. J Eur Ceram Soc, 2000, 20(10): 1475-1481.

[18] AZHAR A Z A, MOHAMAD H, RATNAM M M, et al. The effects of MgO addition on microstructure, mechanical properties and wear performance of zirconia-toughened alumina cutting inserts［J］. J Alloys Compd, 2010, 497(1): 316-320.

[19] NIIHARA K. A fracture mechanics analysis of indentation-induced Palmqvist crack in ceramics［J］. J Mater Sci Lett, 1983, 2(5): 221-223.

[20] AZHAR A Z A, CHOONG L C, MOHAMED H, et al. Effects of Cr2O3 addition on the mechanical properties, microstructure and wear performance of zirconia-toughened-alumina (ZTA) cutting inserts［J］. J Alloys Compd, 2011, 513: 91-96.

[21] STUBICAN V S, HUZINEC G, DAMJANOVIC D. Diffusion of 51Cr in surface layer of magnesia, alumina, and spinel［J］. J Am Ceram Soc, 1985, 68(4): 181-184.

[22] STUBICAN V S, OSENBACH J W. Grain-boundary and lattice diffusion of 51Cr in alumina and spinel［J］. J Am Ceram Soc, 1984, 406-417.

[23] BRILLANTE A, MAGNANI G. Effect of the composition and sintering process on mechanical properties and residual stresses in zirconia-alumina composite［J］. J Eur Ceram Soc, 2005, 25(15): 3383-3392.

[24] HERNANDEZ M, GONZALEZ M, PABLOS A D. C-diffusion during hot press in the Al2O3-Cr2O3 system［J］. Acta Materialia, 2003, 51(1): 217-228.

[25] HIRATA T, AKIYAMA K, YAMAMOTO H. Sintering behavior of Cr2O3-Al2O3 ceramics［J］. J Eur Ceram Soc, 2000, 20(2): 195-199.

[26] ZHANG Y, GUO W M, JIANG Z B, et al. Dense high-entropy boride ceramics with ultra-high hardness［J］. Scripta Mater, 2019, 164: 135-139.

[27] MANSHOR H, AZHAR A Z A, RASHID R A, et al. Effects of Cr2O3 addition on the phase, mechanical properties, and microstructure of zirconia-toughened alumina added with TiO2 (ZTA-TiO2) ceramic composite［J］. Int J Refract Met Hard, 2016, 61(3): 40-45.

[28] XIA J F, NIAN H Q, LIU W, et al. Effect of Cr2O3 derived from Cr(NO3)3·9H2O precursor on the densification and mechanical properties of zirconia-toughened alumina (ZTA) composites［J］. Ceram Int, 2016, 42(7): 9116-9124.

[29] REJAB N A, AZHAR A Z A, RATNAM M M, et al. The effects of CeO2 addition on the physical, microstructural and mechanical properties of yttria stabilized zirconia toughened alumina (ZTA)［J］. Int J Refract Met Hard, 2013, 36: 162-166.