[1] R. Guo, W. Cao, X. Mao, J. Li. Selective corrosion preparation and sintering of disperse α-Al2O3 nanoparticles. J. Am. Ceram. Soc., 99, 3556(2016).

[2] H. Dong, Z. Zhao, Y. Qu. The study on preparation and properties of alumina/silicon nitride advanced ceramic materials(2019).

[3] B. Zhang, H. Zhang, Q. Yang, S. Lu. The fluorescence and thermoluminescence characteristics of α-Al2O3 transparent ceramics. Acta Phys. Sin., 59, 1333(2010).

[4] Z. Zeng, Q. Yang, J. Xu. Spectroscopic characteristics of Cr3+:Al2O3 polycrystalline transparent alumina ceramics. Acta Phys. Sin., 54, 5445(2005).

[5] G. Bernard-Granger, C. Guizard, A. Addad. Influence of co-doping on the sintering path and on the optical properties of a submicronic alumina material. J. Am. Ceram. Soc., 91, 1703(2008).

[6] M. Nagashima, K. Motoike, M. Hayakawa. Fabrication and optical characterization of high-density Al2O3 doped with slight MnO dopant. J. Ceram. Soc. Jpn., 116, 645(2008).

[7] S. Ghanizadeh, S. Grasso, P. Ramanujam, B. Vaidhyanathan, J. Binner, P. Brown, J. Goldwasser. Improved transparency and hardness in α-alumina ceramics fabricated by high-pressure SPS of nanopowders. Ceram. Int., 43, 275(2017).

[8] A. Krell, P. Blank, H. Ma, T. Hutzler, M. P. B. Van Bruggen, R. Apetz. Transparent sintered corundum with high hardness and strength. J. Am. Ceram. Soc., 86, 12(2003).

[9] A. Krell, T. Hutzler, J. Klimke. Transmission physics and consequences for materials selection,manufacturing,and applications. J. Eur. Ceram. Soc., 29, 207(2009).

[10] Z. Feng, J. Qi, Y. Han, T. Lu. Deformation restraint of tape-casted transparent alumina ceramic wafers from optimized lamination. Ceram. Int., 44, 1059(2018).

[11] G. C. Wei. Transparent ceramic lamp envelope materials. J. Phys. D,Appl. Phys., 38, 3057(2005).

[12] X. Zhang, S. Liang, H. Li, J. Yang. Mechanical and optical properties of transparent alumina obtained by rapid vacuum sintering. Ceram. Int., 43, 420(2017).

[13] J. Yin, X. Li, Y. Lai, X. Zhang, S. Yu, Y. Luo. Ultra-high quality factor of transparent Al2O3 ceramics fabricated by vacuum sintering and post hot isostatic pressing. Ceram. Int., 49, 36879(2023).

[14] A. Ikesue, Y. L. Aung. Anisotropic alumina ceramics with isotropic optical properties. J. Adv. Ceram., 12, 72(2023).

[15] J. G. Li, X. Sun. Synthesis and sintering behavior of a nanocrystalline α-alumina powder. Acta Mater., 48, 3103(2000).

[16] F. S. Shiau, T. T. Fang, T. H. Leu. Effects of milling and particle size distribution on the sintering behavior and the evolution of the micro structure in sintering powder compacts. Mater. Chem. Phys., 57, 33(1998).

[17] S. S. Alias, Z. Harun, N. F. Ismail. Microstructure and physical characterization of alumina-sintered body via hot isostatic pressing. J. Aust. Ceram. Soc., 55, 969(2019).

[18] B. Li, Y. Lai, Y. Zeng, F. Yang, F. Huang, X. Yang, F. Wang, C. Wu, X. Zhong, H. Su. Structure and microwave dielectric properties of (Zn1∕3Nb2∕3)4+ co-substituted MgTiO3 ceramic. Mater. Sci. Eng. B,Solid-State Mater. Adv. Technol., 276, 115572(2022).

[19] J. Yin, X. Yang, Y. Lai, Qi. Zhang, C. Qi, X. Li, H. Su, C. Wu, G. Jiang. Effects of (Li0.5Nb0.5)3+ co-substitution on microwave dielectric characteristics of MgAl2O4 ceramics. J. Cent. South Univ., 30, 1461(2023).

[20] P. Liu, H. Yi, G. Zhou, J. Zhang, S. Wang. HIP and pressureless sintering of transparent alumina shaped by magnetic field assisted slip casting. Opt. Mater. Express, 5, 441(2015).

[21] G. R. Karagedov, N. Z. Lyakhov. Preparation and sintering of nanosized α-Al2O3 powder. Nanostruct. Mater., 11, 559(1999).

[22] Z. P. Xie, J. W. Lu, Y. Huang, Y. B. Cheng. Influence of α-alumina seed on the morphology of grain growth in alumina ceramics from Bayer aluminum hydroxide. Mater. Lett., 57, 2501(2003).

[23] W. X. Zhang, J. Li, W. Bin Liu, Y. B. Pan, J. K. Guo. Fabrication and properties of highly transparent Tm3Al5O12 (TmAG) ceramics. Ceram. Int., 35, 2927(2009).

[24] X. Hou, S. Zhou, T. Jia, H. Lin, H. Teng. Structural,thermal and mechanical properties of transparent Yb:(Y0.97Zr0.03)2O3 ceramic. J. Eur. Ceram. Soc., 31, 733(2011).

[25] K. Wang, R. Feng, S. Yang, L. Cheng, F. Meng, A. Zhang. Research progress of pressureless sintered SiC ceramics. Powder Metall. Technol., 32, 93(2022).

[26] I.-W. Chen, X.-H. Wang. Sintering dense nanocrystalline ceramics without final-stage grain growth. Nature, 404, 168(2000).

[27] Z. Razavi Hesabi, M. Haghighatzadeh, M. Mazaheri, D. Galusek, S. K. Sadrnezhaad. Suppression of grain growth in sub-micrometer alumina via two-step sintering method. J. Eur. Ceram. Soc., 29, 1371(2009).

[28] R. L. Coble, B. Lake. Transparent alumina and method of preparation(1962).

[29] R. L. Coble. Sintering alumina:Effect of atmospheres. J. Am. Ceram. Soc. Ceram. Soc., 45, 123(1955).

[30] G. C. Wei, W. H. Rhodes. Sintering of translucent alumina in a nitrogen-hydrogen gas atmosphere. J. Am. Ceram. Soc., 83, 1641(2000).

[31] Z. Xie, W. Liu, T. Bo. Research progress in fabrication of transparent alumina ceramics. Bull. Chin. Ceram. Soc., 30, 1077(2011).

[32] W. Wenhan, L. Xiaoyun, Q. Tai. Effect of MgO and La2O3 doping on properties of Al2O3 ceramics. Electron. Compon. Mater., 30, 9(2011).

[33] Y. Sun, Z. Zhao. Study of transparent alumina ceramics through digital light processing(2021).

[34] K. Yuan, Q. Liao. Preparation and study on properties of transparent alumina ceramics(2017).

[35] H. Yang, J. Liu. Preparation and properties of Tm,Ho:(Lu1−xScx)2O3 ceramics with high transparency(2021).

[36] J. Dai, Q. Tian. Pressureless and hot pressure sintering of high purity alumina ceramics(2016).

[37] Z. Guohong, Y. Yan, W. Li, G. U. O. Qian, Y. Shanshan, H. E. Chengmin, W. Shiwei. Effects of high purity alumina powder modification on the sintering densification and translucent properties of alumina ceramics. J. Chin. Ceram. Soc., 38, 1450(2010).

[38] D. L. Johnson. New method of obtaining volume,grain-boundary,and surface diffusion coefficients from sintering data. J. Appl. Phys., 40, 192(1969).

[39] X. Zhang, S. Liang. Study on the sintering kinetic of transparent alumina ceramic. J. Synth. Cryst., 47, 2555(2018).

[40] X. Zhang, S. Liang, P. Zhang, T. Zhao, Y. Bai, C. G. Bao, J. F. Yang, G. J. Qiao. Fabrication of transparent alumina by rapid vacuum pressureless sintering technology. J. Am. Ceram. Soc., 95, 2116(2012).

[41] H. H. Zhang, Y. L. Xu, B. Wang, X. Zhang, J. F. Yang, K. Niihara. Effects of heating rate on the microstructure and mechanical properties of rapid vacuum sintered translucent alumina. Ceram. Int., 41, 12499(2015).

[42] Y. He. Temperature uniformity in hot zone of horizontal vacuum sintering furnace. J. Magn. Mater. Dev., 31, 44(2000).

[43] J. Cheng, D. Agrawal, Y. Zhang, R. Roy. Microwave sintering of transparent alumina. Mater. Lett., 56, 587(2002).

[44] J. Luo, J. Xu. Preparation of La2O3-doped Al2O3 transparent ceramics by microwave sintering and vacuum sintering. Mater. Rep., 30, 65(2016).

[45] J. Chevalier. What future for zirconia as a biomaterial. Biomaterials, 27, 535(2006).

[46] Z. Xie, S. Li, L. An. A novel oscillatory pressure-assisted hot pressing for preparation of high-performance ceramics. J. Am. Ceram. Soc., 97, 1012(2014).

[47] Y. Yuan, J. Liu. Preparation and mechanical properties of Al2O3 ceremics by hot oscillating pressing(2021).

[48] Y. Yuan, J. Fan, J. Li, J. Liu, K. Zhao, D. Liu, L. An. Oscillatory pressure sintering of Al2O3 ceramics. Ceram. Int., 46, 15670(2020).

[49] D. Galusek, J. Sedláček, J. Chovanec, M. Michálková. The influence of MgO,Y2O3 and ZrO2 additions on densification and grain growth of submicrometre alumina sintered by SPS and HIP. Ceram. Int., 41, 9692(2015).

[50] J. Petit, P. Dethare, A. Sergent, R. Marino, M. H. Ritti, S. Landais, J. L. Lunel, S. Trombert. Sintering of α-alumina for highly transparent ceramic applications. J. Eur. Ceram. Soc., 31, 1957(2011).

[51] H. Park, S. Y. Park. Grain growth behavior of alumina during sinter-HIP process. J. Mater. Sci. Lett., 20, 601(2001).

[52] H. Mizuta, K. Oda, Y. Shibasaki, M. Maeda, M. Machida, K. Ohshima. Preparation of high-strength and translucent alumina by hot isostatic pressing. J. Am. Ceram. Soc., 75, 469(1992).

[53] M. Stuer, Z. Zhao, U. Aschauer, P. Bowen. Transparent polycrystalline alumina using spark plasma sintering: Effect of Mg,Y and La doping. J. Eur. Ceram. Soc., 30, 1335(2010).

[54] Z. Xiao, S. Yu, Y. Li, S. Ruan, L. B. Kong, Q. Huang, Z. Huang, K. Zhou, H. Su, Z. Yao, W. Que, Y. Liu, T. Zhang, J. Wang, P. Liu, D. Shen, M. Allix, J. Zhang, D. Tang. Materials development and potential applications of transparent ceramics: A review. Mater. Sci. Eng. R Rep., 139, 100518(2020).

[55] M. Tokita. Large-size WC/Co functionally graded materials fabricated by spark plasma sintering (SPS) method. Mater. Sci. Forum, 423–425, 39(2003).

[56] J. Langer, M. J. Hoffmann, O. Guillon. Direct comparison between hot pressing and electric field-assisted sintering of submicron alumina. Acta Mater., 57, 5454(2009).

[57] B. N. Kim, K. Hiraga, K. Morita, H. Yoshida. Spark plasma sintering of transparent alumina. Scr. Mater., 57, 607(2007).

[58] L. A. Stanciu, V. Y. Kodash, J. R. Groza. Effects of heating rate on densification and grain growth during field-assisted sintering of α-Al2O3 and MoSi2 powders. Metall. Mater. Trans. A,Phys. Metall. Mater. Sci., 32, 2633(2001).

[59] S. Grasso, Y. Sakka, G. Maizza. Electric current activated/assisted sintering (ECAS): A review of patents 1906–2008. Sci. Technol. Adv. Mater., 10, 053001(2009).

[60] G. Suárez, Y. Sakka, T. S. Suzuki, T. Uchikoshi, X. Zhu, E. F. Aglietti. Effect of starting powders on the sintering of nanostructured. Sci. Technol. Adv. Mater., 10, 025004(2009).

[61] S. Grasso, B. N. Kim, C. Hu, G. Maizza, Y. Sakka. Highly transparent pure alumina fabricated by high-pressure spark plasma sintering. J. Am. Ceram. Soc., 93, 2460(2010).

[62] X. Mao, S. Wang, S. Shimai, J. Guo. Transparent polycrystalline alumina ceramics with orientated optical axes. J. Am. Ceram. Soc., 91, 3431(2008).

[63] S. Grasso, C. Hu, G. Maizza, B. N. Kim, Y. Sakka. Effects of pressure application method on transparency of spark plasma sintered alumina. J. Am. Ceram. Soc., 94, 1405(2011).

[64] T. Ashikaga, B. N. Kim, H. Kiyono, T. S. Suzuki. Effect of crystallographic orientation on transparency of alumina prepared using magnetic alignment and SPS. J. Eur. Ceram. Soc., 38, 2735(2018).

[65] C. Wang, Z. Zhao. Transparent MgAl2O4 ceramic produced by spark plasma sintering. Scr. Mater., 61, 193(2009).

[66] K. Morita, B. N. Kim, H. Yoshida, K. Hiraga, Y. Sakka. Assessment of carbon contamination in MgAl2O4 spinel during spark-plasma-sintering (SPS) processing. J. Ceram. Soc. Jpn., 123, 983(2015).

[67] J. Li, Y. Pan, J. Liu, Y. Zeng, J. Guo. Hot-pressed sintering of fine-grained alumina ceramics. J. Chin. Ceram. Soc., 37, 270(2009).