炭酸カルシウム成形体の圧縮強度の発現挙動

概要

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The casting calcium carbonate, which is made by pressed lime, acquires the compressive strength on two stages. The behaviors of compressive strength of the casting calcium carbonate on these stages are investigated by examining the compressive strength and the rate of water absorption. At the first stage the casting calcium carbonate, in the form of the lime, gets the compressive strength by the cast pressure. We find the compressive strength can be expressed by the equation associated with the rate of water absorption. At the second stage it acquires the compressive strength as the carbonation proceeds. We find the relation between the rate of water absorption and the rate of carbonation is linear. We then conclude the compressive strength of the casting calcium carbonate can be expressed by the rate of carbonation.
2005-03-30