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A Study on Optimal Conditions of Ceramic Support Process for Recycling of Spent Foundry Sand
Characteristics of ceramic support made by spent foundry sand-loess mixtures are investigated by bulk density, porosity, durability, and compressive strength. And the basic properties of SFS and loess are estimated. The effect of drying time after cutting process, elevated temperature time, sintering temperature, and sintering time is also estimated to obtain the optimal condition in the process of manufacture ceramic supports. From the basic properties of SFS and loess, the content of SiO2 in furan sand is much higher than that in loess but the content of Al2O3 and Fe2O3 in furan sand is much lower than that in loess. In order to make ceramic supports, cylinder shape is the most desirable to sustain the properties of ceramic support. If annulus shape has an enough compressive strength, however, annulus shape may be decided. For the optimal condition to manufacture ceramic supports, drying time after cutting process is decided to 24 hrs and elevated temperature time is decided by 9hrs. And sintering temperature and sintering time are decided to 900°C and 9hrs, respectively in order to prevent solidification of sand materials.
A Study on Optimal Conditions of Ceramic Support Process for Recycling of Spent Foundry Sand
Characteristics of ceramic support made by spent foundry sand-loess mixtures are investigated by bulk density, porosity, durability, and compressive strength. And the basic properties of SFS and loess are estimated. The effect of drying time after cutting process, elevated temperature time, sintering temperature, and sintering time is also estimated to obtain the optimal condition in the process of manufacture ceramic supports. From the basic properties of SFS and loess, the content of SiO2 in furan sand is much higher than that in loess but the content of Al2O3 and Fe2O3 in furan sand is much lower than that in loess. In order to make ceramic supports, cylinder shape is the most desirable to sustain the properties of ceramic support. If annulus shape has an enough compressive strength, however, annulus shape may be decided. For the optimal condition to manufacture ceramic supports, drying time after cutting process is decided to 24 hrs and elevated temperature time is decided by 9hrs. And sintering temperature and sintering time are decided to 900°C and 9hrs, respectively in order to prevent solidification of sand materials.
A Study on Optimal Conditions of Ceramic Support Process for Recycling of Spent Foundry Sand
Rhee, Seung-Whee (author)
Geosystem Engineering ; 9 ; 97-102
2006-12-01
6 pages
Article (Journal)
Electronic Resource
Unknown
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