纳米Fe<sub>2</sub>O<sub>3</sub>水泥基复合材料制备的响应曲面研究

doi:10.11896/j.issn.1005-023X.2018.08.030

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Abstract To investigate the dispersing effect of nano-Fe₂O₃ in three kinds of commonly used superplasticizer solutions, these solutions were prepared. The effects of design parameters including nano-Fe₂O₃ content(NFC), polycarboxylate superplasticizer content(PSC) and the water-binder ratio(WBR) on compressive strength were evaluated based on the response surface orthogonal rotation combination design and using. Sequentially, the response surface between cement hardened paste design parameters and compressive strength was considered. The test result manifested that the dispersion effect of nano-Fe₂O₃ in polycarboxylate superplasticizer liquor solution was best. When NFC is 0.027, PSC is 0.017 5, WBR is 0.28, cement hardened paste can show favorable construction condition. The reliability and accuracy of response surface of nano-Fe₂O₃ cement-based composite can be verified in terms of statistics and application. Compressive strength increased up and then decreased with the increasing of PSC, decreased with the increa-sing of WBR, and increased with the increasing of NFC that suggested there was an optimum value generating the cement-based composite constructed favorable with superior compressive strength. RSM had a promising prospect to be widely used in the field of research and development on the new cement-based composite.

Key words： nano-Fe₂O₃ cement-based composite response surface methodology (RSM) preparation technology dispersing agent

Published: 11 May 2018

CLC number:

TU528.572

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	Articles by authors
	XING Xiaoguang
	XU Jinyu
	BAI Erlei
	ZHU Jingsai
	WANG Yuxian

Cite this article:

XING Xiaoguang,XU Jinyu,BAI Erlei, et al. Response Surface Research of the Preparation of Nano-Fe₂O₃ Cement-based Composite[J]. Materials Reports, 2018, 32(8): 1367-1372.

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http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2018.08.030 OR http://www.mater-rep.com/EN/Y2018/V32/I8/1367

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