简介概要

RESEARCH ON CHEMICAL AND PHYSICAL ACTIVATION OF γ-C2S

来源期刊:Journal Of Wuhan University Of Technology Materials Science Edition1996年第2期

论文作者:龙世宗 王影欣 冯修吉

文章页码:44 - 51

摘    要:<正>This paper reports the experiments of chemi-cal and physical activation of γ-C2S and their results.Chemi-cal activation is that the addition of active substances to γ-C2Scan promote its 3 days hydrated ratio to 20% and 7 days to26-31%.Physical activation,on the other hand,by irradiat-ing γ-C2S with energetic ray,can promote its 3 dsays hydrat-ed ratio to 29%.Our experiments illustrate the mechanisms ofγ-C2S chemical activation and physical activation.The for-mer is the formation of the insoluble by combination of theadded active substances with Ca(OH)2,which is dissolvedfrom γ-C2S,breaks the γ-C2S dissolving-precipitating equilib-rium and promotes its hydration process.As a result,CSHhydrate is formed more rapidly.The latter is that the elasticcollision between the enegetic particles,which eater the γ-C2S,and cause some atoms in lattice to deviate from their normalpositions and become interstitial atoms,and forms vacancy de-fects simultaneously.As crystal defect density increases,freeenerg

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RESEARCH ON CHEMICAL AND PHYSICAL ACTIVATION OF γ-C2S

龙世宗,王影欣,冯修吉

摘 要:<正>This paper reports the experiments of chemi-cal and physical activation of γ-C2S and their results.Chemi-cal activation is that the addition of active substances to γ-C2Scan promote its 3 days hydrated ratio to 20% and 7 days to26-31%.Physical activation,on the other hand,by irradiat-ing γ-C2S with energetic ray,can promote its 3 dsays hydrat-ed ratio to 29%.Our experiments illustrate the mechanisms ofγ-C2S chemical activation and physical activation.The for-mer is the formation of the insoluble by combination of theadded active substances with Ca(OH)2,which is dissolvedfrom γ-C2S,breaks the γ-C2S dissolving-precipitating equilib-rium and promotes its hydration process.As a result,CSHhydrate is formed more rapidly.The latter is that the elasticcollision between the enegetic particles,which eater the γ-C2S,and cause some atoms in lattice to deviate from their normalpositions and become interstitial atoms,and forms vacancy de-fects simultaneously.As crystal defect density increases,freeenerg

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