Boron Carbide Composite Panel for Thermal Neutron Shielding
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Solution Overview
Problem
Existing methods for thermal neutron shielding, such as dry-packed Boron Carbide in metal boxes and Boron-loaded polyethylene plastic sheets, fail to achieve high Boron density and are costly, lacking in cost-effectiveness and ease of deployment for lightweight, customizable solutions.
Innovation Solution
A composite panel made with a resin base, hardener, and Boron Carbide particles, with a mixture of coarse and fine grit sizes, achieving a high Boron content of 60% and 40% resin, allowing for customizable and rigid neutron shielding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If traditional shielding methods (dry-packed Boron Carbide in metal boxes, Boron-loaded polyethylene plastic sheets) are used, then shielding function is provided, but Boron density is low and cost is high
Solution Approach 1:
The patent uses composite materials by combining Boron Carbide particles with a resin matrix to create a new material system that achieves high Boron density while maintaining structural integrity and reducing manufacturing cost compared to traditional metal box or polyethylene sheet solutions
Solution Approach 2:
The patent changes the physical state and distribution parameters of Boron Carbide by using particles of varying grit sizes (fine, medium, coarse) suspended in resin, transforming the material from discrete packed particles or loaded sheets into a homogeneous composite with optimized density and cost characteristics
2Quantity of substance
If high Boron density is achieved through traditional methods, then shielding effectiveness is improved, but weight increases and portability decreases
Solution Approach 1:
The patent changes the binding medium from heavy metals (traditional) or dense polyethylene to lighter resin materials, achieving high Boron density through particle concentration rather than material density, thereby reducing overall panel weight while maintaining shielding effectiveness
Solution Approach 2:
The patent segments the Boron Carbide into particles of different grit sizes and distributes them within the resin matrix, allowing high Boron content to be achieved through volumetric concentration rather than requiring dense monolithic structures, thus reducing weight
3Adaptability or versatility
If customizable shielding panels are created, then adaptability to different applications is improved, but manufacturing complexity increases
Solution Approach 1:
The patent segments the shielding solution into standardized panels with consistent internal structure (resin matrix with Boron Carbide particles), allowing customization through simple parameter changes (panel dimensions, Boron Carbide particle size distribution) rather than complex manufacturing process changes, thereby maintaining ease of manufacture while achieving adaptability
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 an efficient, cost-effective, and easily deployable thermal neutron shield with sufficient rigidity and aesthetic flexibility, suitable for various applications requiring thermal neutron radiation reduction.
Implementation Method 1
elemental Boron has beneficial properties when used as a component of shielding devices... Boron, in the form of Boron Carbide of varying grit sizes, is added during panel manufacture... provides an efficient... shield for thermal neutrons
Data Source
AI summary
A thermal neutron shield comprising boron shielding panels with a high percentage of the element Boron. The panel is least 46% Boron by weight which maximizes the effectiveness of the shielding against thermal neutrons. The accompanying method discloses the manufacture of boron shielding panels which includes enriching the pre-cursor mixture with varying grit sizes of Boron Carbide.