Conductive-Coated X-Ray Shielding Element for Oil and Flashover Resistance
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Solution Overview
Problem
Existing X-ray shielding materials, such as lead substitutes, face challenges with oil-resistance, electrical conductivity, and ease of processing, leading to issues like static charge interference and high-voltage flashovers.
Innovation Solution
A shielding element with a base body composed of a composite material containing a high percentage of metal powder in a plastic matrix, coated with a conductive layer that forms a Faraday cage, ensuring oil-resistance, electrical conductivity, and safe discharge of high currents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If lead substitutes are embedded in powder form in a radiation-resistant polymer matrix to create a composite material, then the composite material becomes easy to process and machine, but it loses oil-resistance and electrical conductivity
Solution Approach 1:
The shielding element is divided into two functional parts: a base body made of composite material (metal powder in polymer matrix) that provides X-ray absorption and ease of processing, and an outer conductive coating layer that provides oil-resistance and electrical conductivity. This segmentation allows each material to optimize its own properties without compromising the other.
Solution Approach 2:
The invention creates a hierarchical composite structure: the base body is a composite of metal powder and polymer matrix, and the outer layer is a composite of conductive material (such as metal or conductive polymer) applied over the base body. This multi-level composite approach combines the advantages of different materials while mitigating their individual disadvantages.
2Ease of manufacture
If lead substitutes are embedded in powder form in a radiation-resistant polymer matrix to create a composite material, then the composite material becomes easy to process and machine, but it becomes electrically insulating or has only low electrical conductivity
Solution Approach 1:
The shielding element is divided into two functional parts: a base body made of composite material (metal powder in polymer matrix) that provides X-ray absorption and ease of processing, and an outer conductive coating layer that provides oil-resistance and electrical conductivity. This segmentation allows each material to optimize its own properties without compromising the other.
Solution Approach 2:
The invention creates a hierarchical composite structure: the base body is a composite of metal powder and polymer matrix, and the outer layer is a composite of conductive material (such as metal or conductive polymer) applied over the base body. This multi-level composite approach combines the advantages of different materials while mitigating their individual disadvantages.
3Object-affected harmful factors
If a lead substitute is used that is not toxic, then health safety is improved, but the material becomes difficult or impossible to process mechanically
Solution Approach 1:
The invention changes the physical state of the metal substitute from solid chunks to fine powder, and changes the form factor from solid material to composite material embedded in a polymer matrix. This parameter transformation makes non-toxic metals like tungsten easy to process and machine while maintaining their radiation shielding properties.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a shielding element that mimics lead's X-ray absorption while being easy to process, maintain electrical potential, and safely dissipate high currents, making it a viable alternative for lead shielding.
Implementation Method 1
a powder of a metal is contained, by means of which the X-ray radiation can be absorbed
Implementation Method 2
the base body is coated by means of a closed layer of a conductive material, so that the base body is completely enclosed by the layer of conductive material
Data Source
Figure 1~2
Figure 3~4
AI summary
A shielding element (5, 6) for shielding X-rays (3) has a base body (7). The base body (7) consists of a composite material containing a plastic (8) in which a metal powder (9) is contained, by means of which the X-rays (3) can be absorbed. The base body (7) is coated by a continuous layer (10) of a conductive material, such that the base body (7) is completely encased by the layer (10) of the conductive material.