NDLI: Effects of CaCO3 whisker on the physical properties of cement composites

Content Provider	IEEE Xplore Digital Library
Author	Mingli Cao Hang Yao
Copyright Year	2011
Description	Author affiliation: School of Civil Engineering, Dalian University of Technology, Dalian, China (Mingli Cao; Hang Yao)
Abstract	CaCO3 whiskers were incorporated into cement composites in this paper and the effects of whiskers on the physical properties of cement composites were studied, including the fluidity and dry shrinkage of mortar and the pore structure of cement paste. The results showed that the fluidity of cement mortar was decreased gradually with the CaCO3 whisker content increasing and when the whisker content was in the range of 10%, the fluidity had no significant degradation; when the whiskers were mixed in the mortar with the content of 5% and 10%, the effect on the dry shrinkage of mortar was not obvious and with the content increasing further, the dry shrinkage was increased; through the analysis of mercury intrusion porosimetry(MIP) test, it was shown that the porosity of cement paste was increased with the whisker content increasing and when the content was less than 20%, there was no significant change in the main distribution of pore size and the increase of less harmful pores below 50nm was dominant.
Starting Page	3124
Ending Page	3127
File Size	1241387
Page Count	4
File Format	PDF
ISBN	9781612844589
e-ISBN	9781612844596
DOI	10.1109/CECNET.2011.5769311
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Presses Cement composites Mortar Fluidity Pore structure CaCO3 whisker Educational institutions Mechanical factors Dry shrinkage Ceramics Helium
Content Type	Text
Resource Type	Article

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