A COMPARATIVE ANALYSIS OF TWO DIFFERENT KINDS OF ALUMINUM LINERCARBON FILAMENT-WOUND COMPOSITE GAS CYLINDERS

Abstract

Abstract: Based on the grid theory and the theory of composite laminated plate elastic-plastic analysis, and with the reference standards of the DOT CFFC "Basic requirements for fully wrapped carbon-fiber reinforced aluminum lined cylinders", a 70 L carbon-fiber wrapped composite cylinder lined with aluminum was designed. Then, an analysis between two cylinders lined with aluminum alloy 6061 and aluminum alloy 7075 respectively is conducted under the same auto-frottage pressure and work pressure. The results show that the distribution of liner stress is more uniform using aluminum alloy 6061 as liner, and the advantage of high strength of the outer carbon-fiber can be better brought out. Additionally, aluminum alloy 6061 is more economical. So, compared with aluminum alloy 7075, the aluminum alloy 6061 is much more suitable to be a composite material for the cylinder liner material.

Key words: composite materials, aluminum liner, finite element analytical model

CLC Number:

TB332

ZHOU Dan, WANG Ying-jun, SUN Ming-qing. A COMPARATIVE ANALYSIS OF TWO DIFFERENT KINDS OF ALUMINUM LINERCARBON FILAMENT-WOUND COMPOSITE GAS CYLINDERS[J]. Fiber Reinforced Plastics/Composites, 2016, 0(6): 76-80.

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