Influence of Baking on Thermal–Expansion Ability of Quartz Sands

Hai Ou Jing; Shu Hua Wang

doi:10.4028/www.scientific.net/AMR.211-212.1226

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Influence of Baking on Thermal–Expansion Ability of Quartz Sands

Abstract:

In order to understand the changing tendency of thermal–expansion abilities of used sands in foundry, the four groups of quartz sands were measured in this paper. The influencing laws of baked-times and temperatures on the property of quartz sands were analyzed. And the test results showed that volume thermal-expansion ratio of quartz sands decreases with increasing of the baked-times.