简介：Theinfluencesofsilicavolumefraction,electrolyteconcentrationandpHvalueuponthestressdependenceofelasticmodulusG′andviscousmodulusG″wereinvestigated.Theresultsshowthatthesuspensiontransformsfromaliquid-likestatetoasolid-likestatewithincreasingthevolumefractionofsilica.Suchasolid-likestatecanbetransformedbackintoaliquid-likestateundertheapplicationofalargerstress.Atthehighervolumefraction,thelargercriticalstressisrequiredtoinducethetransitionfromsolid-liketoliquid-likestate.AstheelectrolyteconcentrationdecreasesorpHvalueincreases,theinter-particleforceincreases,whichcausesthestatetransitiontooccuratahigherstress.
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