Synthesis of Ca-<i>α</i>-Sialon-SiC Powders from Blast Furnace Slag and Optimization of Its Synthesis Process

LIU Keming; WANG Fuming; LI Wenchao; XIE Lijun; GUO Yuyan

doi:10.13374/j.issn1001-053x.2001.05.005

LIU Keming, WANG Fuming, LI Wenchao, XIE Lijun, GUO Yuyan. Synthesis of Ca-α-Sialon-SiC Powders from Blast Furnace Slag and Optimization of Its Synthesis Process[J]. Chinese Journal of Engineering, 2001, 23(5): 404-408. DOI: 10.13374/j.issn1001-053x.2001.05.005

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Synthesis of Ca-α-Sialon-SiC Powders from Blast Furnace Slag and Optimization of Its Synthesis Process

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Abstract

Blast furnace slag is a kind of metallurgical solid wastes. In order to make better use of it and enhance its additional value, Ca-α-Sialon-SiC powders were synthesized from blast furnace slag and some additives by carbothermal reduction and nitridition (CRN) based on thermodynamic analysis. The content of Ca-a-Sialon in the sintered samples was up to 81%. The synthesis process of CRN was optimized by Statistical Pattern Recognition (SPR) and Artificial Neural Network (ANN).

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Synthesis of Ca-α-Sialon-SiC Powders from Blast Furnace Slag and Optimization of Its Synthesis Process

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