Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Bending of Members Made of Several Materials01:08

Bending of Members Made of Several Materials

148
In analyzing a structural member composed of two different materials with identical cross-sectional areas, it is crucial to understand how their distinct elastic properties affect the member's response under load. The analysis involves assessing stress and strain distributions using the transformed section concept, which accounts for variations in material properties.
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each...
148
Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity01:15

Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity

265
Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.
265
Members Made of Elastoplastic Material01:19

Members Made of Elastoplastic Material

97
The behavior of elastoplastic materials under bending stresses, particularly in structural members with rectangular cross-sections, is crucial for predicting material responses and understanding failure modes. Initially, when a bending moment is applied, the stress distribution across the section follows Hooke's Law and is linear and elastic. This distribution means the stress increases from the neutral axis to the maximum at the outer fibers, up to the elastic limit.
As the bending moment...
97
Poisson's Ratio01:23

Poisson's Ratio

405
Poisson's ratio is a material property that indicates their stress response. It explains the connection between the elongation or compression a material undergoes in the direction of an applied force and the contraction or expansion it experiences perpendicular to that force. When a slender bar is loaded axially, it stretches in the direction of the force and contracts laterally. Poisson's ratio is the negative ratio of this lateral contraction to the axial elongation. The negative sign...
405
Wood Products01:21

Wood Products

81
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...
81
Wood Panel Products01:18

Wood Panel Products

72
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...
72

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Rice Straw-Derived Magnetic Hydrothermal Carbon Accelerates Anaerobic Azo Dye Biodegradation Through Enhanced Interspecies Electron Transfer.

Biology·2026
Same author

Solvent-Mediated Control of Nanocellulose Dispersion: An Integrated Computational and Experimental Investigation.

ACS nano·2026
Same author

Elevated N/P Ratios Enhance Arsenic Bioaccumulation and Biotransformation in Marine Microalgae.

Environmental science & technology·2026
Same author

Recent Advances in Cholesteric Liquid Crystal Elastomers: Fabrication, Functionalization, and Applications.

Angewandte Chemie (International ed. in English)·2026
Same author

Lactobacillus paracasei L9 Ameliorates Pulmonary Fibrosis in Aged Mice via Gut-Lung Axis-Mediated Regulation of Immune Cell Migration.

Aging cell·2026
Same author

Chemistry Evolution of Low-Temperature Divalent Vanadium V(II) Precipitation Enables Wide Temperature Range Vanadium Flow Batteries.

Angewandte Chemie (International ed. in English)·2026

Related Experiment Video

Updated: Jun 30, 2025

Fabrication and Design of Wood-Based High-Performance Composites
08:08

Fabrication and Design of Wood-Based High-Performance Composites

Published on: November 9, 2019

13.3K

Solid Wood Modification toward Anisotropic Elastic and Insulative Foam-Like Materials.

Xuetong Shi1, Ran Bi1, Zhangmin Wan1

  • 1Bioproducts Institute, Department of Chemical & Biological Engineering, The University of British Columbia, 2360 East Mall, Vancouver, British Columbia V6T 1Z3, Canada.

ACS Nano
|March 19, 2024
PubMed
Summary

Researchers developed a novel method to create super elastic and insulative wood foam. This sustainable material retains hemicellulose and offers tunable compressibility for cushioning and packaging applications.

Keywords:
Elastic wood foamflame retardancyhydrophobizationsurface oxidationthermal insulation

More Related Videos

The Effect of Construction and Demolition Waste Plastic Fractions on Wood-Polymer Composite Properties
09:06

The Effect of Construction and Demolition Waste Plastic Fractions on Wood-Polymer Composite Properties

Published on: June 7, 2020

8.1K
Twin-Screw Extrusion Process to Produce Renewable Fiberboards
07:21

Twin-Screw Extrusion Process to Produce Renewable Fiberboards

Published on: January 27, 2021

6.4K

Related Experiment Videos

Last Updated: Jun 30, 2025

Fabrication and Design of Wood-Based High-Performance Composites
08:08

Fabrication and Design of Wood-Based High-Performance Composites

Published on: November 9, 2019

13.3K
The Effect of Construction and Demolition Waste Plastic Fractions on Wood-Polymer Composite Properties
09:06

The Effect of Construction and Demolition Waste Plastic Fractions on Wood-Polymer Composite Properties

Published on: June 7, 2020

8.1K
Twin-Screw Extrusion Process to Produce Renewable Fiberboards
07:21

Twin-Screw Extrusion Process to Produce Renewable Fiberboards

Published on: January 27, 2021

6.4K

Area of Science:

  • Materials Science
  • Biomaterials Engineering
  • Polymer Science

Background:

  • Conventional methods for producing wood foam often involve extensive removal of wood components like lignin and hemicelluloses.
  • There is a growing need for sustainable and high-performance materials derived from renewable resources.

Purpose of the Study:

  • To develop a novel process for converting solid wood into a super elastic and insulative foam-like material.
  • To investigate the structure-property relationships governing the compressibility and resilience of the wood-based foam.

Main Methods:

  • Sequential oxidation and reduction treatment of wood, with partial lignin removal and high hemicellulose retention.
  • Characterization of nanostructures using experimental and computational (molecular dynamics) methods.
  • Hydrophobization and flame retardancy achieved via chemical vapor deposition of organosilanes.

Main Results:

  • A foam-like material with a process yield of 72.8% was produced, revealing wood cell wall fibril nanostructures.
  • The material exhibits super elasticity with reversible shape recovery up to 60% compression strain in the transverse direction.
  • Compressibility is tunable by controlling the oxidation degree, affecting crystallinity and mobility.
  • Amorphization of cellulosic fibrils and secondary interactions contribute to material resilience.
  • Optional hydrophobization and flame retardancy were successfully imparted.

Conclusions:

  • A novel, multifunctional wood-derived foam with anisotropic compressibility, thermal insulation, hydrophobicity, and flame retardancy has been developed.
  • The material's unique properties stem from its lamellar structure and amorphized cellulosic fibrils.
  • This wood foam is a promising sustainable alternative for applications in cushioning, protection, and packaging.