Hydraulic and Pneumatic Pressure Cycle Life Test Results on Composite Reinforced Tanks for Hydrogen Storage
Current standards governing the design, qualification and in-service inspection of carbon fibre composite cylinders do not facilitate to optimise cylinder design. The requirements have been adapted from standards for metallic cylinders and cannot easily quantify the degradation processes in composite materials. In this article, the results of hydraulic and hydrogen pressure cycle life tests performed on composite reinforced tanks with a metal liner (type 3) and with a high density polymer liner (type 4) are shown. Moreover, the degradation measured by means of residual strength of the tanks after the cycling tests have been compared. It has been found that the most critical aging for metal based composite cylinder is the gaseous cycling while type 4 designs seem to be more sensitive to hydraulic cycling at high temperature.
DE MIGUEL ECHEVARRIA Nerea;
MAIR Georg;
ACOSTA IBORRA Beatriz;
SZCZEPANIAK Marius;
MORETTO Pietro;
2016-12-07
ASME
JRC100772
0277-027X,
http://proceedings.asmedigitalcollection.asme.org/proceeding.aspx?articleID=2590116,
https://publications.jrc.ec.europa.eu/repository/handle/JRC100772,
10.1115/PVP2016-63568,
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