Effect of Excess Magnesia on the Preparation of Cordierite Based on Waste Foundry Sand
Source abstract
Abstract
Waste foundry sand collected from lost foam casting industry is a solid waste that contains Z r S i O 4 . For the purpose of re‐utilization, it is adopted to synthesize cordierite with the addition of M g O powders and fused silica by direct sintering, meanwhile the effect of various M g O mole ratios on the sintering behaviors is investigated using XRD , SEM , and mercury porosimetry. The lowest temperature corresponding to the formation of cordierite is 1150°C, and the increase of M g O mole ratio does not reduce the temperature for cordierite crystallization but increase the microhardness and thermal expansion coefficients.
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Research context
OpenAlex topics: Materials Engineering and Processing · Advanced materials and composites · Aluminum Alloys Composites Properties
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Affiliations
The State Key Laboratory of Refractories and Metallurgy Wuhan University of Science and Technology Wuhan 430081 China
Funding
Science and Technology Support Program of Jiangsu Province
References (21)
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