Radio-attenuating metallic material
A bismuth-tin alloy addresses the drawbacks of traditional radiation shielding materials by offering lightweight, cost-effective, and easily moldable radiation protection.
FR3161912B3Active Publication Date: 2026-04-10LEMER PAX
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Patent Information
- Application Number
- FR2024004735
- Authority / Receiving Office
- FR · FR
- Patent Type
- Utility models
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2026-04-10
- Estimated Expiration
- 2034-05-06
AI Technical Summary
Technical Problem
Existing radiation protection materials like lead and tungsten face issues such as toxicity, high cost, environmental concerns, and difficulty in shaping, necessitating complex handling and maintenance.
Method used
A bismuth-tin alloy with a minimum 50% bismuth content, optionally with antimony, copper, and silver, providing excellent radio attenuation and moldability, replacing traditional materials.
Benefits of technology
The bismuth-tin alloy offers effective radiation shielding with reduced weight and cost, simpler handling, and improved manufacturability compared to lead and tungsten.
✦ Generated by Eureka AI based on patent content.
Abstract
The present invention relates to a radio-attenuating metallic material for the production of a protective screen or shield against ionizing radiation such as X-rays, gamma rays, or beta rays. This radio-attenuating material is characterized in that it consists of an alloy of at least bismuth and tin, with bismuth present in a proportion of at least 50% by weight in the final metallic material. Preferably, the radio-attenuating material comprises: - between 52 and 70% by weight of bismuth in the final material, and - between 30 and 48% by weight of tin in the final material.
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