Thermodynamic Analysis of the Reaction of the Nb Silicide-based Superalloys with Oxide Coatings for the Graphite Crucibles AITranslate
Abstract AITranslate
Thermodynamic calculation is made to analyze the possible reaction of Y2 O3, ZrO2, Al2 O3, MgO, Cao,Ce2O3 and BeO with the main elements Nb,Si,Ti and Hf of the new Nb silicide-based superalloys at high temperature. The curve of relationship between △G^- and temperature T for those reactions is obtained. Through analyzing and comparing the chemical stability of several oxides with the melt of Nb silicide-based superalloys,it is found that both Y2 O3 and BeO are chemically stable to these alloy elements at high temperature,and Y2O3 is well suitable for the coating of graphite crucibles to melt Nb silicide-based superalloys.
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Basic Information:
DOI：
Chinese Library Classification Number:TG164.4[金属学及工艺—热处理]
Citation Information:
Thermodynamic calculation is made to analyze the possible reaction of Y2 O3, ZrO2, Al2 O3, MgO, Cao,Ce2O3 and BeO with the main elements Nb,Si,Ti and Hf of the new Nb silicide-based superalloys at high temperature. The curve of relationship between △G^- and temperature T for those reactions is obtained. Through analyzing and comparing the chemical stability of several oxides with the melt of Nb silicide-based superalloys,it is found that both Y2 O3 and BeO are chemically stable to these alloy elements at high temperature,and Y2O3 is well suitable for the coating of graphite crucibles to melt Nb silicide-based superalloys.
quote
| GB/T 7714-2015 | [1] WU Mei-bai, GUO Xi-ping. Thermodynamic Analysis of the Reaction of the Nb Silicide-based Superalloys with Oxide Coatings for the Graphite Crucibles[J]. Rare Metals and Cemented Carbides, 2007(1): 5-9. |
| MLA | [1] WU Mei-bai, and GUO Xi-ping. "Thermodynamic Analysis of the Reaction of the Nb Silicide-based Superalloys with Oxide Coatings for the Graphite Crucibles." Rare Metals and Cemented Carbides, no. 1, 2007, pp. 5-9. |
| APA | [1] WU Mei-bai, & GUO Xi-ping. (2007). Thermodynamic Analysis of the Reaction of the Nb Silicide-based Superalloys with Oxide Coatings for the Graphite Crucibles. Rare Metals and Cemented Carbides(1), 5-9. |
| IEEE | [1] WU Mei-bai and GUO Xi-ping, "Thermodynamic Analysis of the Reaction of the Nb Silicide-based Superalloys with Oxide Coatings for the Graphite Crucibles," Rare Metals and Cemented Carbides, no. 1, pp. 5-9, 2007. keywords: {Nb silicide-based superalloy;graphite crucible;oxide coatings;thermodynamic analysis} |