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A method for imaging damage between layers of multilayer metal composite panels

A multi-layer metal, imaging method technology, applied in instruments, measuring devices, analysis of solids using sonic/ultrasonic/infrasonic waves, etc., can solve the problems of structural bearing capacity and impact toughness decline, and achieve the effect of effective characterization

Active Publication Date: 2022-05-06
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Interlaminar damage is one of the main damage forms of composite materials, which will reduce the bearing capacity and impact toughness of the structure

Method used

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  • A method for imaging damage between layers of multilayer metal composite panels
  • A method for imaging damage between layers of multilayer metal composite panels
  • A method for imaging damage between layers of multilayer metal composite panels

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Embodiment Construction

[0058] The following will refer to the attached Figure 1 to Figure 10 Specific embodiments of the present disclosure are described in detail. Although specific embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0059] It should be noted that certain terms are used in the specification and claims to refer to specific components. Those skilled in the art should understand that they may use different terms to refer to the same component. The specification and claims do not use differences in nouns as a way of distinguishing components, but use differences in functions of components as a criterion for distinguishing. "Includes" or "compr...

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Abstract

The present disclosure discloses a method for interlayer damage imaging of a multilayer metal composite board, which includes: using the overlapped part of the multilayer metal composite board as an imaging detection area, arranging probes around the imaging detection area, and numbering the probes; When the detection signal generated by the excitation of the probe passes through the damage in the imaging detection area, transmission and reflection occur, wherein the transmission detection signal is received by the probe on the opposite side of the probe that generates the detection signal, and the reflection detection signal is received by the same probe that generates the detection signal Received by the probe on the side; extract the first damage information in the transmission detection signal, and determine the damage range according to the first damage information; extract the second damage information in the reflection detection signal, and obtain the damage contour according to the second damage information; The damage range and the obtained damage contour are fused to obtain the damage image.

Description

technical field [0001] The disclosure belongs to the field of nondestructive testing of mechanical structures, and in particular relates to an imaging method for interlayer damage of a multilayer metal composite board. Background technique [0002] Multi-layer composite material is a new type of material obtained by tightly bonding two or more material interfaces with different physical, chemical and mechanical properties by using deformation and connection processes. Modern engineering applications have various requirements for metal-metal layered composite structures, and different metal or alloy materials have their own advantages and characteristics. Through layered composites between multi-phase metals, various new materials that can meet complex and harsh service conditions can be designed. The multi-layer metal composite material concentrates the superior properties of each component metal, solves the problem that a single material cannot meet some industrial require...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N29/06G01N29/44G01N29/48
CPCG01N29/069G01N29/4418G01N29/4427G01N29/48G01N2291/015G01N2291/0231G01N2291/0289G01N2291/0423G01N2291/044
Inventor 高广渊李兵王家琪庞方昊
Owner XI AN JIAOTONG UNIV
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