X-ray CR (computed radiography) detection method of aeronautical composite honeycomb structural component

Abstract

The invention discloses an X-ray CR (computed radiography) detection method of an aeronautical composite honeycomb structural component. The X-ray CR detection method of the aeronautical composite honeycomb structural component comprises the following steps: designing and manufacturing an artificial defect test block of a honeycomb structural component; manufacturing an artificial defect standard film; performing X-ray CR detection and traditional film X-ray detection on the artificial defect test block for equivalence analysis; optimizing X-ray CR detection imaging parameters. The X-ray CR detection method of the aeronautical composite honeycomb structural component has the advantages as follows: detection on the composite honeycomb structural component in the field of aviation by a CR X-ray detection technology is achieved, and digitalization of ray detection on the composite honeycomb structural component is achieved so as to improve the detection efficiency, the detection effect, the sensitivity, the resolution and the video effect better by a digital technology; an integral detection process is relatively conducive to application of the technology to the composite honeycomb structural component; an IP (image plate) in the CR technology replaces the conventional film, so that the detection cost can be saved to a great extent and damage of a great deal of waste liquid to the environment brought by film processing is avoided.

Description

technical field [0001] The invention relates to an X-ray CR detection method, in particular to an X-ray CR detection method for an aviation composite material honeycomb structure. Background technique [0002] Defects in composite honeycomb structures include: honeycomb deformation, honeycomb crumpling, honeycomb cutting, node separation, honeycomb water injection, etc. These defects need to be evaluated and identified by X-ray inspection. [0003] Usually, parts such as the upper and lower skins of the aileron, the rear section of the rear fuselage, and the rear maintenance platform contain a large number of honeycomb structural parts and a large area. These honeycomb structural parts need to be photographed by X-rays. The traditional X-ray inspection uses the industrial film method to transilluminate the honeycomb structural parts, but the traditional X-ray inspection method not only needs to consume a large amount of film continuously during the inspection process, but a...

AI Technical Summary

Problems solved by technology

[0002] Defects in composite honeycomb structural parts include: honeycomb deformation, honeycomb crumpling, honeycomb cutting, node separation, honeycomb water injection, etc.

[0004] However, CR technology uses IP imaging board instead of traditional film to complete the detection and conversion of ray signals and adopts image digitization technology, so that a new process appears in ray detection technology, and the detection image also has new features, and it is also important for technical control. New requirements have arisen, especially the application of this technology in composite honeycomb structural parts in the aerospace field, which has no precedent; how to use CR technology to effectively detect composite material honeycomb structural parts? What should at least be included in the CR testing process of composite honeycomb structural parts in order to achieve the purpose of testing? And how to choose CR detection parameters, etc., these problems need to be solved in order to improve the detection technology of composite honeycomb structural parts

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