Abstract
The paper considers matters of selecting a composite material as a part of metal-composite high-pressure bottles to be used in aero-space engineering. It is shown that glass-reinforced plastic, which is the most used now for these purposes, in combination with a steel liner favors the growth of low-cycle fatigue and corrosive cracking of materials under conditions of manufacturing and operating. It is shown that characteristics of metal-composite bottles can be improved by using high-strength and high-modulus carbon-fiber-reinforced plastic as a material of the load-bearing shell. The results of creating high-efficient superlight metal-composite bottles with the load-bearing carbon-reinforced plastic shell and the thin-walled welded stainless steel liner have been presented.
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