Apparatus and method for acoustic modeling of defects in composite materials using calibration panels formed by additive manufacturing

A composite material, additive manufacturing technology, used in material analysis, manufacturing tools, additive manufacturing, etc. using sonic/ultrasonic/infrasonic waves

Pending Publication Date: 2021-04-16
THE BOEING CO
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, such nondestructive testing techniques may require reference or calibration structures, which are

Method used

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  • Apparatus and method for acoustic modeling of defects in composite materials using calibration panels formed by additive manufacturing
  • Apparatus and method for acoustic modeling of defects in composite materials using calibration panels formed by additive manufacturing
  • Apparatus and method for acoustic modeling of defects in composite materials using calibration panels formed by additive manufacturing

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Embodiment Construction

[0039] Throughout this specification, reference to "one example," "an example," or similar language means that a particular feature, structure, or characteristic described in connection with the example is included in at least one example of the present invention. Appearances of the phrases "in one example," "in an example," and similar language throughout this specification may, but do not necessarily, all refer to the same example. Similarly, use of the term "embodiment" refers to an embodiment having a particular feature, structure, or characteristic described in connection with one or more examples of the invention, however, if there is no express nexus to indicate otherwise, then the embodiment Can be associated with one or more instances.

[0040] This disclosure describes an apparatus and method for fabricating, in some examples by additive manufacturing, a reference panel (eg, a calibration panel) that simulates the acoustic properties of a vehicle component or part. ...

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Abstract

The invention relates to an apparatus and method for acoustic modeling of defects in composite materials using calibration panels formed by additive manufacturing. Disclosed herein is a calibration panel that models acoustic properties of defects in vehicle components made of composite materials. The calibration panel includes a body formed by additive manufacturing from a first digital material having an acoustic property selected to approximate an acoustic property of a composite material and an insert embedded within the body. The insert is formed of at least a second digital material having an acoustic property selected to approximate an acoustic property of a defect within the composite material. Also disclosed is a method for manufacturing vehicle components that are non-destructive evaluation (NDE)-compliant. The method includes receiving a proposed design of a component, manufacturing the calibration panel, and testing the calibration panel to determine if the insert is detectable using acoustic emission testing. The method also includes rejecting, in response to a not-detectable status of the insert, the proposed design of the component.

Description

technical field [0001] The present invention relates generally to non-destructive testing of composite materials, and more particularly to the manufacture of calibration plates for acoustic non-destructive testing of composite materials. Background technique [0002] Vehicles, including aerospace vehicles, are increasingly being manufactured with components formed from composite materials. For example, substantial portions of an aircraft, such as the wings, empennage, stabilizers, and fuselage, may be constructed from fiber-reinforced polymer laminates. Many other small parts of aircraft are also being formed from composite laminates. To ensure safety, these components must pass a rigorous testing program. Non-destructive testing techniques, such as ultrasonic quantitative analysis techniques, provide information on the manufacturing quality, material strength and service life of components. However, such nondestructive testing techniques may require reference or calibrat...

Claims

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Application Information

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IPC IPC(8): G06F30/20G06F30/15G06F113/10G06F113/26
CPCG01N29/30G01N29/4472B33Y10/00B33Y80/00B29C64/112G01N29/04
Inventor M·阿什拉菲
Owner THE BOEING CO
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