Study of high tensile strength of natural continuous basalt fibers

ABSTRACT

In this article, the tensile strength, melting properties, and fiber-forming properties of natural continuous basalt fibers, such as andesite, andesite basalt, and tholeiitic basalt, are investigated as a function of their chemical and mineral compositions. The results indicate that when the basalt glass melts are homogeneous, the tensile strength is mainly determined by the chemical composition as well as the mineral components, which will affect the melting properties and fiber-forming properties. By optimizing the melting properties and fiber-forming properties, a high filament tensile strength of 3390 MPa was achieved for the basalt andesite with regions of tholeiitic basalt with an SiO₂ weight percentage of 49%–57%.

摘要

本文研究了安山岩、安山岩玄武岩和拉斑玄武岩等天然连续玄武岩纤维的拉伸强度、熔融性能和成纤维性能。结果表明，当玄武岩玻璃熔体均匀时，其拉伸强度主要由化学成分和矿物成分决定，这将影响玄武岩玻璃熔体的熔融性能和成纤维性能。通过优化玄武岩安山岩的熔融性能和成纤维性能，获得了玄武岩安山岩的高强度拉伸强度为3390 MPa，其玄武岩玄武岩区的SiO2重量百分比为49%～57%。

KEYWORDS:

• Continuous basalt fiber
• viscosity
• crystallization temperature
• tensile strength
• chemical compositions
• mineral components

关键词:

• 关键词
• 连续玄武岩纤维
• 粘度
• 结晶温度
• 抗拉强度
• 化学成分
• 矿物组分

Acknowledgments

The authors gratefully acknowledge the financial support provided by the National Key Basic Research Program of China, 973 Program (No. 2012CB026200).

Additional information

Funding

This work was supported by National Program on Key Basic Research Project (973 Program).