Due to the advantages of lightweight and high strength,fully-wrapped carbon fiber reinforced cylinders with an aluminum liner(type Ⅲ cylinders)are widely used in fields such as hydrogen fuel cell vehicles and composite cylinders for breathing apparatus.In order to achieve the safety condition inspection of type Ⅲ cylinders without disassembling the gas cylinders,this article conducted experimental research on defects made on the test gas cylinders,verifying the feasibility of industrial CT technology used for defect detection of type Ⅲ cylinders.It is pointed out that exploring process parameter settings and defect recognition is the next research direction.
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