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碳纳米管水泥基复合材料耐久性及力学性能研究

李相国 明添 刘卓霖 任钊锋 蒋文广

硅酸盐通报2018,Vol.37Issue(5):1497-1502,6.
硅酸盐通报2018,Vol.37Issue(5):1497-1502,6.

碳纳米管水泥基复合材料耐久性及力学性能研究

Research on Durability and Mechanical Properties of Carbon Nanotube Cement Matrix Composites

李相国 1明添 1刘卓霖 1任钊锋 1蒋文广1

作者信息

  • 1. 武汉理工大学硅酸盐建筑材料国家重点实验室,武汉 430070
  • 折叠

摘要

Abstract

In order to solve the problems of durability and mechanical properties of concrete materials in complex environment, a carbon nanotubes cement based composite was prepared by adding nano carbon material as the reinforcing component of cement based material and adding carbon nanotubes (CNTs). The mechanical properties and rheological properties of the cement matrix composite were studied .The durability of the cement matrix composite was evaluated by chloride penetration depth .The mechanical properties and durability of cement-based composites with different carbon nanotubes content were tested and analyzed, The microstructure of carbon nanotube cement matrix composites was analyzed by SEM (scanning electron microscope ).The results show that CNTs can significantly improve the mechanical properties and durability of cement-based materials, improve the pore structure of cement -based materials, and improve the resistance to chloride ion penetration of cement -based materials.

关键词

CNTs/水泥基/耐久性/力学性能

Key words

CNTs/cement-based/durability/mechanical property

分类

建筑与水利

引用本文复制引用

李相国,明添,刘卓霖,任钊锋,蒋文广..碳纳米管水泥基复合材料耐久性及力学性能研究[J].硅酸盐通报,2018,37(5):1497-1502,6.

基金项目

国家自然科学基金(51378408,51572207) (51378408,51572207)

硅酸盐通报

OA北大核心CSTPCD

1001-1625

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