A Split-Hopkinson Tension Bar study on the dynamic strength of basalt-fibre composites

被引：28
作者：
Ganzenmueller, G. C. [1 ,2 ]
Plappert, D. [2 ]
Trippel, A. [2 ]
Hiermaier, S. [1 ,2 ]
机构：
[1] Fraunhofer Ernst Mach Inst High Speed Dynam, EMI, Freiburg, Germany
[2] Albert Ludwigs Univ Freiburg, Inst Sustainable Syst Engn, Freiburg, Germany
来源：
COMPOSITES PART B-ENGINEERING | 2019年 / 171卷
关键词：
Mechanical testing; Strength; Basalt fibre; STRAIN-RATE SENSITIVITY; RATE-DEPENDENT BEHAVIOR; MECHANICAL-PROPERTIES; REINFORCED COMPOSITES; POLYMER COMPOSITE; RATES; MODEL; GLASS;
D O I：
10.1016/j.compositesb.2019.04.031
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper investigates the strain rate sensitivity of laminated composites made of plies of unidirectional basalt fibres and epoxy resin. We consider laminates with quasi-isotropic [0 degrees,-45 degrees,+45 degrees,90 degrees](s) and orthogonal [+45 degrees,-45](4) layup. A Split-Hopkinson Tension Bar is used to generate accurate stress/strain data at elevated rates of strain of approximate to 3 x 10(2)/s. Moderate strain rate effects are observed with strength increase of approximate to 3.5% per decade of increased loading rate for both laminate types.
引用
收藏
页码：310 / 319
页数：10
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