超轻微波X波段EMI屏蔽或RAM材料,由可持续的烧解软木模板制成
Robert C Pullar1, Rui M Novais2, Ana P F Caetano2
1Dipartimento di Scienze Molecolari e Nanosistemi (DSMN), Università Ca' Foscari Venezia, Via Torino 155, 30172 Venezia Mestre, Venezia, VE, Italy. robertcarlyle.pullar@unive.it.
Nanoscale
|October 3, 2023
概括
回收的软木被转化为一种超轻的碳材料,以有效地吸收微波. 这种可持续的解决方案在X频段提供了高屏蔽效率,性能优于现有的石墨泡.
科学领域:
- 材料科学 材料科学 材料科学
- 可持续工程 可持续工程
- 电磁学 电磁学 电磁学 电磁学
背景情况:
- 软木是一种可再生,可持续和轻质的材料.
- 废弃的软木和回收的葡萄酒塞是丰富的资源.
- 微波吸收器对于电磁干扰屏蔽至关重要.
研究的目的:
- 为了利用废弃的软木制成一个可持续的微波吸收器.
- 为了评估烧解软木的微波吸收特性.
- 研究其作为一种经济和环保的屏蔽材料的潜力.
主要方法:
- 废弃的软木和回收的葡萄酒塞的热解/碳化.
- 烧解软木的密度和结构的特征.
- 在X频段 (8-12 GHz) 中测量微波屏蔽效率 (SET) 和特定屏蔽效率 (SSE).
主要成果:
- 烧解软木实现了0.031gcm-3的超低密度.
- 优异的总屏蔽效率 (SET) 从-18到-38dB不等.
- 特殊的特定屏蔽效率 (SSE) 在-640至-1235 dB g-1 cm3之间,超过石墨泡.
结论:
- 化软木是一种高效和可持续的微波吸收器.
- 它的轻量化性质和优越的屏蔽性能使它成为X频应用的理想选择.
- 这种废弃软木的价值化为电磁屏蔽提供了一个有希望的环保替代方案.
更多相关视频
08:12Ohmic Contact Fabrication Using a Focused-ion Beam Technique and Electrical Characterization for Layer Semiconductor Nanostructures
Published on: December 5, 2015
12.4K
04:55Testing of Nanoparticle Release from a Composite Containing Nanomaterial Using a Chamber System
Published on: November 22, 2016
6.8K
相关概念视频
Wood Surfacing
Wood surfacing is a critical finishing process designed to smoothen the wood surface, enhance its dimensional accuracy, and make handling safer. This process compensates for potential shrinkage during the seasoning phase by marginally increasing the wood dimensions before surfacing. It also helps correct some distortions that may occur as the wood dries.
The equipment used in the surfacing process is a plane equipped with rotating blades. This tool efficiently smoothens the wood surface and can...
The equipment used in the surfacing process is a plane equipped with rotating blades. This tool efficiently smoothens the wood surface and can...
Wood Products
Wood products encompass a broad range of materials crafted from wood strands, veneers, lumber, and even waste wood-like shreds, designed for both structural and nonstructural purposes. Various specialized wood products have been developed to enhance strength, durability, and versatility in building applications.
Glue-laminated wood, often referred to as glulam, combines multiple smaller pieces of dimensional lumber using adhesives to form a single, larger piece. Cross-laminated timber consists...
Glue-laminated wood, often referred to as glulam, combines multiple smaller pieces of dimensional lumber using adhesives to form a single, larger piece. Cross-laminated timber consists...
Wood Panel Products
Wood panel products are essential materials used in construction for applications such as flooring, siding, and roofing, typically available in standard dimensions of 4 feet by 8 feet, with thicknesses varying from one-quarter of an inch to one and one-eighth inches. Among the most common types of wood panels is plywood, which is produced by gluing multiple layers of thin wood veneers under pressure. The grain of the outer veneers runs lengthwise, while the grains of the interior layers run...
