Thermal Shock Resistance of Bauxite-based β-Sialon Bonded Corundum Materials-中国期刊网

摘要 Thermalshockresistantpropertiesofreactionsinteredbauxite-basedβ-Sialonbondedcorundumhavebeeninvestigated,andtheresultsarecomparedwiththoseofAl2O3basedcounterpart.Itisfoundtheyallhaveverygoodthermalshockresistance.Theirresidualstrengthratiosafteronethermalshockcycleat△T=1200℃and△T=1350℃are61%～73%and53%～65%respectively.Theircriticaltemperaturedifference(TSR)is600℃～800℃.TSRparametersarecalculatedbasedonthermalexpansion,modulusofelasticity,andfracturetoughnessdetermined.ThereasonsforimprovingTSRofthesecompositematerialsarediscussed.

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Thermal Shock Resistance of Bauxite-based β-Sialon Bonded Corundum Materials

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Thermal Shock Resistance of Bauxite-based β-Sialon Bonded Corundum Materials

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