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The main purpose of this research work was to addresses the efficacy of a re-Autofrettage process of the cylinder for improving the fatigue performance of past service life DOT-CFFC composite overwrapped Type III pressure cylinders. Previous research has found that hard water exposure...
If you have any technical questions not addressed by this or associated documents, contact Mark Toughiry, 202-366-4545.
This Research and Development (R&D) project has been performed to evaluate several NDE methods based on their potential ability to detect common flaws such as impact damage in composite gas cylinders.
Key Words: acoustic emission, radiography, micro/millimeter wave,...
If you have any technical questions not addressed by this or associated documents, contact Mark Toughiry, 202-366-4545.
This research project is a part of Failure Investigation and Metallurgical Analysis of DOT 3AL cylinders that were rejected during requalification due to internal neck-cracks. The main purpose of this research was to analyze the cylinder heads in order to determine the crack...
If you have any technical questions not addressed by this or associated documents, contact Mark Toughiry, 202-366-4545.
This is the basis requirements (standard) by OHM for design, construction and manufacturing Hoop wrapped Fiber Reinforced Composite (HW) Cylinders (FRP-2).
Key Words: composite cylinder, E glass, S glass, cycling, fiber stress, aluminum liner, hoop, hoop wrapped
If...
If you have any technical questions not addressed by this or associated documents, contact Mark Toughiry, 202-366-4545.
This is the basis requirements (standard) by OHM for design, construction and manufacturing fully wrapped Fiber Reinforced Plastic Type 3FC Composite Cylinders (FRP-1).
Key Words: composite cylinder, E glass, S glass, cycling, fiber stress, aluminum liner, full wrapped...