The so-called alkali-carbonate reaction (ACR) — Its mineralogical and geochemical details, with special reference to ASR containing Pittsburg aggregate, were examined petrographically based on polarizing microscopy, SEM observation and quantitative SEM-EDS analysis of the reaction ......
ThemechanicalpropertiesandmicrostructuresofbothsymmetricallyandasymmetricallyrolledAlwereinvestigated.Theyieldstrengthwasubstantiallyincreasedbyanimprovedasymmetricrolling(ASR)process.Nearlyequiaxedultrafinedgrainswithanaveragesizelessthan1μmwereobtainedthroughtheimprovedASRwithaeductionof90%.Theincrostructurewashomogeneousand...
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