Tensile mechanical properties of basalt fiber reinforced polymer composite under varying strain rates and temperatures

Huaian Zhang, Yiming Yao, Deju Zhu, Barzin Mobasher, Liang Huang

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

High-strength woven fabrics and polymers are ideal materials for use in structural and aerospace systems. It is very important to characterize their mechanical properties under extreme conditions such as varying temperatures, impact and ballistic loadings. In this present work, the effects of strain rate and temperature on the tensile properties of basalt fiber reinforced polymer (BFRP) were investigated. These composites were fabricated using vacuum assisted resin infusion (VARI). Dynamic tensile tests of BFRP coupons were conducted at strain rates ranging from 19 to 133 s-1 using a servo-hydraulic high-rate testing system. Additionally, effect of temperature ranging from -25 to 100 °C was studied at the strain rate of 19 s-1. The failure behaviors of BFRP were recorded by a Phantom v7.3 high speed camera and analyzed using digital image correlation (DIC). The results showed that tensile strength, toughness and maximum strain increased 45.5%, 17.3% and 12.9%, respectively, as strain rate increased from 19 to 133 s-1. Moreover, tensile strength was independent of varying temperature up to 50 °C but decreased at 100 °C, which may be caused by the softening of epoxy matrix and weakening of interfaces between fibers and matrix when the glass transition temperature was exceeded.

Original languageEnglish (US)
Pages (from-to)29-39
Number of pages11
JournalPolymer Testing
Volume51
DOIs
StatePublished - May 1 2016

Fingerprint

Basalt
Strain rate
Polymers
Mechanical properties
Fibers
Composite materials
Tensile strength
Temperature
High speed cameras
Ballistics
Tensile properties
Toughness
Resins
Hydraulics
Vacuum
basalt
Testing

Keywords

  • BFRP
  • DIC
  • Dynamic testing
  • Strain rate
  • Temperature

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics

Cite this

Tensile mechanical properties of basalt fiber reinforced polymer composite under varying strain rates and temperatures. / Zhang, Huaian; Yao, Yiming; Zhu, Deju; Mobasher, Barzin; Huang, Liang.

In: Polymer Testing, Vol. 51, 01.05.2016, p. 29-39.

Research output: Contribution to journalArticle

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