[5] LI C X, ZHOU Y, TIAN Y M, et al. Preparation and characterization of mullite whisker reinforced ceramics made from coal fly ash［J］. Ceramics International, 2019, 45(5): 5613-5616.
[6] KONG X C, TIAN Y M, CHAI Y S, et al. Effects of pyrolusite additive on the microstructure and mechanical strength of corundum-mullite ceramics［J］. Ceramics International, 2015, 41(3): 4294-4300.
[7] FENG Y C, MA C Y, DENG J G, et al. A comprehensive review of ultralow-weight proppant technology［J］. Petroleum Science, 2021, 18(3): 807-826.
[8] HAO J Y, HU T, CHENG G J, et al. Effect of feldspar milling on the properties of low-density ceramic proppants［J］. Materials Research Innovations, 2022, 26(1): 1-7.
[9] SPEIGHT J G. Handbook of hydraulic fracturing［M］. Hoboken: John Wiley & Sons Inc, 2016.
[10] HAO J Y, MA H Q, FENG X, et al. Low-temperature sintering of ceramic proppants by adding solid wastes［J］. International Journal of Applied Ceramic Technology, 2018, 15(2): 563-568.
[17] DING D H, FANG Y F, XIAO G Q, et al. Effects of sintering temperature on microstructure and properties of low-grade bauxite-based ceramic proppant［J］. International Journal of Applied Ceramic Technology, 2021, 18(5): 1832-1844.
[18] EL-KADER M A, ABDOU M I, FADL A M, et al. Novel light-weight glass-ceramic proppants based on frits for hydraulic fracturing process［J］. Ceramics International, 2020, 46(2): 1947-1953.
[20] GHASEMI-KAHRIZSANGI S, NEMATI A, SHAHRAKI A, et al. Densification and properties of Fe2O3 nanoparticles added CaO refractories［J］. Ceramics International, 2016, 42(10): 12270-12275.
