Abstract

Some problems are reviewed in this paper, that should be resolved when applying acoustic emission testing as a nondestructive method during the first hydrotest of pressure vessels, manufactured in the chemical machinebuilding industry. The ways for error reduction in the location determination of acoustic emission sources are pointed out. Some method s for investigating and specifying the connection between acoustic emission parameters and processes of fracture in the vessels are described. Some results in solving the practical problems of the acoustic emission testing of apparatus for the chemical and petrochemical industries are given.

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