锡兰合剂和MWCNTs对CFRP复合条的结构和耐久性性能的影响
Woo Sung Yum1, Do Young Kwon1, Yong Sik Chu1
1Climate and Energy Research Division, Research Innovation Headquarters, Korea Institute of Ceramic Engineering & Technology (KICET), 101, Soho-Ro, Jinju 52851, Republic of Korea.
Materials (Basel, Switzerland)
|January 10, 2026
概括
西兰合剂和多壁碳纳米管 (MWCNTs) 提高了碳纤维增强聚合物 (CFRP) 钢筋的性能. 修改过Silane的铁杆显示出优越的机械性能和耐久性,而修改过MWCNT的铁杆则提供更好的耐热性.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 土木工程 土木工程是指土木工程.
背景情况:
- 与传统的钢筋相比,碳纤维增强聚合物 (CFRP) 钢筋具有耐腐蚀性.
- 优化纤维矩阵接口对于提高CFRP钢筋性能至关重要.
- 冲压是连续复合材料配置文件的关键制造工艺,如铁杆.
研究的目的:
- 研究联剂和多壁碳纳米管 (MWCNTs) 对CFRP钢筋性能的影响.
- 评估修改后的CFRP钢筋的机械性能,耐用性和热性能.
- 为增强的CFRP钢筋应用提供优化环氧配方的洞察力.
主要方法:
- 用于制造CFRP钢筋的试点规模的冲压工艺.
- 将西兰合剂和MWCNT纳入环氧基质.
- 进行了机械测试 (拉伸强度,弹性模量),与混凝土的粘合强度测试,热稳定性分析,以及模拟的海洋和性暴露测试.
主要成果:
- 修改了西兰的CFRP钢筋实现了最高的抗拉强度 (2649 MPa) 和弹性模量 (156 GPa),由于增强的界面粘合力,改善了混凝土粘合强度.
- 经过MWCNT修改的CFRP钢筋表现出优越的耐热性,通过矩阵增强和裂桥梁在250°C暴露后保持性能.
- 碳复合纤维钢筋在海洋环境中具有良好的耐用性;性暴露导致轻微减少 (~7%),基改性钢筋表现出最好的耐用性.
结论:
- 西兰合剂显著提高了CFRP钢筋的机械性能和耐用性.
- 在高温下,MWCNT增强了耐热性和结构完整性.
- 使用这些添加剂的优化环氧配方对于提高CFRP钢筋的长期性能和结构应用至关重要.
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