Effect of TiO2 contents on the interface reaction between magnesia alumina spinel crucible with K417G superalloy during vacuum induction melting

Hong, Shasha; Song, Haiyan; Qian, Kun; Song, Qingzhong; Shu, Lei; Li, Xiaobing; Xue, Peng; Chen, Bo; Liu, Kui

doi:10.1016/j.jeurceramsoc.2024.04.038

Journal of the European Ceramic Society

2024

DOI: 10.1016/j.jeurceramsoc.2024.04.038

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Effect of TiO2 contents on the interface reaction between magnesia alumina spinel crucible with K417G superalloy during vacuum induction melting

Shasha Hong,

Haiyan Song,

Kun Qian

et al.

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2024

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Cited by 2 publications

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Influence of introducing TiO2 on densification and thermal shock resistance of Al2O3-MgO-CaO-Y2O3 materials

Zan,

Ma,

Liu

et al. 2024

J Aust Ceram Soc

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Influence of introducing TiO2 on densification and thermal shock resistance of Al2O3-MgO-CaO-Y2O3 materials

Zan,

Ma,

Liu

et al. 2024

J Aust Ceram Soc

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Wettability and Interfacial Reaction between the K492M Alloy and an Al2O3 Shell

Chen,

Liao,

Deng

et al. 2024

Materials

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In this study, wettability behavior and the interaction between the K492M alloy and an Al2O3 shell were investigated at 1430 °C for 2~5 min. The microstructural characterization of the alloy–shell interface was carried out by optical microscopy (OM) and scanning electron microscopy (SEM). The results indicated that the interaction could cause a sand adhesion phenomenon affecting the alloy, and the attached products were Al2O3 particles. In addition, the wetting angles of the alloys located on the shell were 125.2°, 109.4°, 97.0°, and 95.0°, respectively, as the contact time was increased from 2 to 5 min. Apparently, the wettability of the alloy in relation to the shell had a relationship with the contact time, where a longer contact time was beneficial to the permeation of the alloy into the shell and the interaction between the two components. No significant chemical products could be detected in the interaction layer, indicating that only the occurrence of the physical dissolution of the shell took place in the alloy melt.

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Effect of TiO2 contents on the interface reaction between magnesia alumina spinel crucible with K417G superalloy during vacuum induction melting

Cited by 2 publications

References 30 publications

Influence of introducing TiO2 on densification and thermal shock resistance of Al2O3-MgO-CaO-Y2O3 materials

Influence of introducing TiO2 on densification and thermal shock resistance of Al2O3-MgO-CaO-Y2O3 materials

Wettability and Interfacial Reaction between the K492M Alloy and an Al2O3 Shell

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