[1] [1] HORIE T, KONO T, KISHIMOTO Y, et al. The effect of CaO-MgO mixture on desulfurization of molten Ni-base superalloy[J]. Metallurgical and Materials Transactions B, 2021, 52(4): 2687-2702.

[2] [2] LI Y, CHEN C Y, QIN G Q, et al. Smelting high purity 55SiCr automobile suspension spring steel with different refractories[J]. High Temperature Materials and Processes, 2022, 41(1): 315-327.

[6] [6] CHEN M, WANG N, YU J K, et al. Effect of porosity on carbonation and hydration resistance of CaO materials[J]. Journal of the European Ceramic Society, 2007, 27(4): 1953-1959.

[7] [7] QIU G B, PENG B, YUE C S, et al. Properties of regenerated MgO-CaO refractory bricks: impurity of iron oxide[J]. Ceramics International, 2016, 42(2): 2933-2940.

[9] [9] ZHANG B W, MA B Y, ZHU Q, et al. In-situ formation and densification of MgAl2O4-Y3Al5O12 and MgAl2O4-MgNb2O6 ceramics via a single-stage SRS process[J]. Science of Sintering, 2017, 49(3): 285-297.

[10] [10] LIU J B, WANG Z F, LIU H, et al. Effect of Y2O3 addition on sintering properties and microstructure of spinel materials[J]. China's Refractories, 2018, 27(1): 39-43.

[11] [11] ZAN W Y, MA B Y, TANG J H, et al. Preparation and properties of MgAl2O4 spinel ceramics by double-doped CeO2 and La2O3[J]. Ceramics International, 2023, 49(10): 15164-15175.

[13] [13] YI N, MA Y, WANG Z F, et al. Microstructural regulation and properties enhancement of MgO-CaO ceramics by doping Y2O3[J]. Journal of Rare Earths, 2023, 41(11): 1771-1779.

[15] [15] CHEN A, MA Y, WANG Z F, et al. Preparation of yttrium oxide coating with enhanced thermal shock resistance on refractories used for titanium alloy melting and casting[J]. Journal of Iron and Steel Research International, 2024, 31(6): 1411-1422.

[16] [16] ZHANG H R, TANG X X, ZHOU C G, et al. Comparison of directional solidification of -TiAl alloys in conventional Al2O3 and novel Y2O3-coated Al2O3 crucibles[J]. Journal of the European Ceramic Society, 2013, 33(5): 925-934.

[17] [17] KUANG J P, HARDING R A, CAMPBELL J. Investigation into refractories as crucible and mould materials for melting and casting -TiAl alloys[J]. Materials Science and Technology, 2000, 16(9): 1007-1016.

[19] [19] 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.

[20] [20] SHAHRAKI A, GHASEMI-KAHRIZSANGI S, NEMATI A. Performance improvement of MgO-CaO refractories by the addition of nano-sized Al2O3[J]. Materials Chemistry and Physics, 2017, 198: 354-359.

[21] [21] ZHANG S, WANG J R, LI Y G, et al. Effect of TiO2 addition on microstructures and properties of MgO-CaO refractory aggregates[J]. Journal of Iron and Steel Research International, 2024, 31(6): 1547-1554.

[22] [22] GHASEMI-KAHRIZSANGI S, DEHSHEIKH H G, KARAMIAN E, et al. Effect of MgAl2O4 nanoparticles addition on the densification and properties of MgO-CaO refractories[J]. Ceramics International, 2017, 43(6): 5014-5019.

[23] [23] ZHAO Y D, WANG L Z, CHEN C Y, et al. Effect of a MgO-CaO-ZrO2-based refractory on the cleanliness of a K4169 Ni-based superalloy[J]. Ceramics International, 2023, 49(1): 117-125.

[24] [24] ZHANG T, WEI Y W, CHEN J F, et al. Preparation of CaO-MgO-ZrO2 refractory and its desulfurization effect on Ni-based alloy in vacuum induction melting (VIM)[J]. Journal of the Australian Ceramic Society, 2020, 56(3): 885-894.

[25] [25] CHEN M, LU C Y, YU J K. Improvement in performance of MgO-CaO refractories by addition of nano-sized ZrO2[J]. Journal of the European Ceramic Society, 2007, 27(16): 4633-4638.