相关实验视频
Updated: Jul 16, 2025

08:08
Fabrication and Design of Wood-Based High-Performance Composites
Published on: November 9, 2019
13.4K
由两个商业上重要的热带木材种类制成的透明木材复合材料
M C Anish1,2, Krishna K Pandey3, Rakesh Kumar3
1Institute of Wood Science and Technology, Bengaluru, Karnataka, India. anish.mc@kau.in.
Scientific reports
|September 9, 2023
概括
透明木材 (TW) 复合材料是从艾兰修斯木材和木材使用制方法创建的. 这些新型材料具有很高的光传导性和机械性能,显示出作为光成形装置的潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物科学 聚合物科学
- 木材科学 木材科学 木材科学
背景情况:
- 透明木材 (TW) 是由于其独特的光学和机械性能而引起全球重大兴趣的材料.
- 传统的TW制造通常依赖于特定的木材种类和复杂的工艺.
研究的目的:
- 使用两种不同的木材物种制造透明木材 (TW) 复合材料:Ailanthus triphysa和Hevea brasiliensis.
- 评估制造的TW复合材料的光学和机械性能.
- 展示一个具有成本效益和商业可行性的生产多用途TW的战略.
主要方法:
- 用氧化和过氧化为基础的方法在木材贴面中修改红素.
- 不和聚树脂 (UPR) 透到脱木模板中.
- 聚合UPR以创建纳米结构透明复合材料.
- 使用扫描电子显微镜 (SEM) 和富里埃变换红外光谱 (FTIR) 的表征.
主要成果:
- 在UPR-TW复合材料中,高光雾度 (94%和89%) 和良好的光透度 (59%和55%) 分别为木和艾兰修斯木材.
- 鉴定证实了完整的层次细胞结构和成功的树脂透.
- 机械性能被评估并与天然木材和纯聚合物相比较.
- 观察到异型光扩散行为,表明光塑形应用的潜力.
结论:
- 成功证明了一种具有成本效益和商业可行性的制造多用途透明木材复合材料的方法.
- 使用鲜为人知的木材种类 (LKTS) 与UPR树脂相结合,为TW生产提供了一种可持续的方法.
- 由于其独特的光学特性,开发的TW复合材料对光形装置的应用非常有希望.
相关概念视频
Wood Products
106
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...
106
Wood Panel Products
92
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...
92
Introduction to Wood
262
Wood, derived from trees, is a versatile and widely used construction material. Trees feature a trunk surrounded by a protective layer of dead bark. Beneath this outer layer lies the living bark, followed by the cambium, and then the sapwood which transitions into heartwood as it matures. At the center of the trunk is the pith. The age of a tree can be discerned by examining its growth rings, which are concentric bands visible in the trunk's cross-section.
The structural integrity of the...
The structural integrity of the...
262
Softwoods and Hardwoods
190
Softwoods and hardwoods, derived from different types of trees, are distinguished by their leaf structures and cellular compositions, each serving unique purposes in construction and manufacturing. Softwoods come from cone-bearing trees with needle-like leaves and are predominantly composed of longitudinal cells called tracheids and a smaller proportion of radial cells known as rays. Due to their cellular structure, softwoods are commonly used in construction for structural frames, sheathing,...
190
Wood Surfacing
113
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...
113
Lumber
139
Lumber is derived from logs which are harvested, debarked, and processed into long pieces with a rectangular cross-section. The transformation of logs into lumber involves multiple steps, beginning with an automated saw that slices the log into slabs. These slabs are then transported via a conveyor belt to smaller saws, where they are cut into square-edged pieces of specific widths.
Initially, the surfaces of these lumber pieces are rough, and their dimensions may vary slightly from one end to...
Initially, the surfaces of these lumber pieces are rough, and their dimensions may vary slightly from one end to...
139

