Advanced Composite Materials Engineering Group, University of Alberta,
4-9 Mechanical Engineering Building, Edmonton, Alberta, T6G 2G8, Canada
phone: (780) 492-6982, fax: (780) 492-2200, email:pmertiny<at>ualberta.ca, http://www.mece.ualberta.ca/groups/advanced_mat/

Data presented here are preliminary results from a comprehensive study
on the performance of different fiber reinforcements.

Basalt and E-glass fiber specimens	Average relative strength of basalt and E-glass fiber samples with respect to the average burst strength of glass fiber samples

Manufacturing conditions:

Tubular specimens with 38.1 mm inside diameter were filament-wound with assembled fiber bands of approximately 6 g/m total linear weight, i.e. 8 glass fiber tows with 735 Tex and 5 basalt fiber tows with 1200 Tex formed a winding band respectively. Fiber architectures of [±60°₃] were produced. Individual fiber tows (from each creel) were tension-controlled at constant 26.7 N. The resin matrix was a bisphenol-A epoxy and a non-MDA polyamine hardener (EPON826 / EPICURE9551) supplied by Hexion Specialty Chemicals, Inc. Fiber volume fractions for the various samples ranged from 67.4% (basalt) to 70.7% (glass).

Testing conditions:

Samples were subjected to internal pressure and axial force producing a ratio of circumferential-to-axial stress in the tube wall of 3-to-1. The leakage threshold was defined as a fluid loss corresponding to 1% of the total fluid volume contained by the sample. The average burst pressure of glass fiber samples was 410 bar.