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Accumulation of fibre breaks under time-dependent loads in CFRP materials of pressure vessels
(2017)
For the moment, there is no existing method to quantify the time-dependent effect on carbon fibre pressure vessels or composite pressure vessels (CPV) in general. Hence, BAM started to investigate how to proof this phenomenon. Several researches has been done and discovered that it is possible for aged pressure vessels to have higher burst pressure value than a new vessels. However, the scientific explanation behind is still an on-going research. Whether the existing model can be used or using another measurement method to gain more data is still in question. Therefore, it is required to find a suitable method to explain such phenomenon and even develop furthermore to give a strength criterion for certain types of pressure vessels