[1] [1] HARRIS D C. Materials for infrared windows and domes: properties and performance［M］. WA: SPIE, 1999.

[2] [2] HALDAR P K, SIL S, PODDAR P K D, et al. Synthesis and characterization of cost effective magnesium aluminate (MgAl2O4) spinel for humidity sensor application［J］. Industrial Ceramics, 2010, 30(3): 231-238.

[3] [3] DE OLIVEIRA MAGNAGO R, DE ASSIS BAIO MIRANDA PEREIRA F, DA SILVA P C, et al. Infiltrated spinel-based ceramic (MgAl2O4) for dental application［J］. Materials Science Forum, 2016, 881: 176-180.

[4] [4] ASTM Committee Subcommittee D20.40, D 1003-13［S］.New York: American National Standards Institude.

[6] [6] LEWIS M H. Precipitation in non-stoichiometric spinel crystals［J］. Philosophical Magazine, 1969, 20(167): 985-998.

[7] [7] PANDA P C, RAJ R. Kinetics of precipitation of alpha-Al2O3 in polycrystalline supersaturated MgO - 2Al2O3 spinel solid solution［J］. Journal of the American Ceramic Society, 1986, 69(5): 365-373.