STRUCTURE AND PROPERTIES OF HYDRATION OF DOPED DICALCIUM SILICATES

在线阅读 下载PDF 导出详情
摘要 Inthispaper,severaldicalciumsilicates(β-C2S)obtainedfromimpuritieshavebeenstudied.AstudyofthestructureandpropertiesofthesedopeddicalciumsilicatesrevealsthatthedopingwithMgOofBaSO4enhancedtheiractivityandrateofhydration,K20hasasimilareffectroughlesspronounced.Thelatticedistortionandcrystalsizeinβ-dicalciumsilicatesaremeasuredbyX-raypowderdiffractiontechnique,thebindingenergiesof2P3forCaand2PforSiareobtainedbyX-rayphotoelectricspectrum,thevibrationsofthechemicalbondsinsilicateanion[SiO4]4-areexaminedbyFT-IRandLaserRamanspectraandtheheatevolutionduringhydrationreactionforβ-dicalciumsilicatesaredeterminedbymicrocalorimetry.FromtheresultsofXRD,XPS,FT-IR,Ramanandmicro-DSC,therelationshipbetweenthemicrostructureandpropertiesofdopeddicalciumsilicatesandthemechanismofactivationduetoimpuritiesarediscussed.
机构地区 不详
出版日期 1992年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)
  • 相关文献