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

Physical Assessment of the Respiratory Tract III: Percussion01:29

Physical Assessment of the Respiratory Tract III: Percussion

221
The respiratory system, fundamental to life, consists of complex structures responsible for gas exchange. The percussion assessment is critical to understanding this system's health and functionality. This non-invasive assessment technique allows healthcare providers to evaluate the density or aeration of the lungs, thereby identifying potential abnormalities.
Percussion in Respiratory Assessment
Percussion evaluates underlying tissue composition with audible and tactile vibrations,...
221

You might also read

Related Articles

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

Sort by
Same author

Active packaging film based on a green composite: fabrication and performance analysis of pineapple leaf fiber-reinforced PBAT.

RSC advances·2026
Same author

Lignin-Driven Hydrogen Bond Network Rearrangement Enables Lightweight, High-Stiffness Kenaf Fiber Acoustic Diaphragms.

Biomacromolecules·2025
Same author

Large-Scale Preparation of Carboxylated Cellulose Nanocrystals and Their Application for Stabilizing Pickering Emulsions.

ACS omega·2023
Same author

Multivalent Metal Ion Cross-Linked Lignocellulosic Nanopaper with Excellent Water Resistance and Optical Performance.

Biomacromolecules·2022
Same author

Highly Foldable, Super-Sensitive, and Transparent Nanocellulose/Ceramic/Polymer Cover Windows for Flexible OLED Displays.

ACS applied materials & interfaces·2022
Same author

Highly Soluble and Stable, High Release Rate Nanocellulose Codrug Delivery System of Curcumin and AuNPs for Dual Chemo-Photothermal Therapy.

Biomacromolecules·2022

Related Experiment Video

Updated: Jun 8, 2025

Author Spotlight: A Stable Phantom Material for Optical and Acoustic Imaging
04:54

Author Spotlight: A Stable Phantom Material for Optical and Acoustic Imaging

Published on: June 16, 2023

2.8K

Broadband Response Diaphragm Materials for Human Acoustics Engineering.

Hongfu Bi1, Yuan Wei2, Yang Zhou3

  • 1State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, 510640, China.

Small (Weinheim an Der Bergstrasse, Germany)
|November 6, 2024
PubMed
Summary

This study introduces a novel bio-based composite diaphragm for loudspeakers, integrating carboxymethyl cellulose microfiber and sheath-core fiber. The new material enhances sound quality and loudspeaker performance, offering a sustainable alternative.

Keywords:
cellulose‐based composite materialinterpenetrating polymeric networksloudspeaker diaphragmmultiphysics

More Related Videos

Author Spotlight: Unraveling the Impact of Mechanical Ventilation on Diaphragm Function and Patient Outcomes
05:51

Author Spotlight: Unraveling the Impact of Mechanical Ventilation on Diaphragm Function and Patient Outcomes

Published on: November 3, 2023

5.8K
Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing
09:39

Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing

Published on: June 28, 2024

859

Related Experiment Videos

Last Updated: Jun 8, 2025

Author Spotlight: A Stable Phantom Material for Optical and Acoustic Imaging
04:54

Author Spotlight: A Stable Phantom Material for Optical and Acoustic Imaging

Published on: June 16, 2023

2.8K
Author Spotlight: Unraveling the Impact of Mechanical Ventilation on Diaphragm Function and Patient Outcomes
05:51

Author Spotlight: Unraveling the Impact of Mechanical Ventilation on Diaphragm Function and Patient Outcomes

Published on: November 3, 2023

5.8K
Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing
09:39

Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing

Published on: June 28, 2024

859

Area of Science:

  • Materials Science
  • Acoustics Engineering
  • Biomaterials

Background:

  • Fiber-reinforced composites show promise for loudspeaker diaphragms.
  • Limitations include fiber scarcity and structural control, impacting sound quality.
  • A novel bio-based composite diaphragm is developed to address these challenges.

Purpose of the Study:

  • To develop a novel composite diaphragm material for high-fidelity acoustic loudspeakers.
  • To investigate the fiber-structure-property interactions in the composite material.
  • To evaluate the performance enhancement of loudspeakers using the bio-based diaphragm.

Main Methods:

  • Integration of swelling carboxymethyl cellulose microfiber (CMF) with hot-melted sheath-core fiber (SCF) using an interpenetrating polymeric network (IPN) strategy.
  • Application of simulation methods and Flory-Huggins theory to understand material mechanisms.
  • Fabrication and testing of loudspeaker diaphragms and mounted loudspeaker systems.

Main Results:

  • The bio-based diaphragm exhibits superior mechanical properties: low density (0.92 g cm⁻³), high tensile strength (235 MPa), and high modulus (9.73 GPa).
  • Loudspeakers with the new diaphragm show enhanced sensitivity (82.6 dB) and stable performance across a wide frequency range.
  • The study establishes a clear link between diaphragm physical properties and loudspeaker acoustic performance.

Conclusions:

  • The developed bio-based composite diaphragm offers a high-performance solution for acoustic devices.
  • This research provides insights into the multiphysics of loudspeaker operation and diaphragm design.
  • It opens new pathways for creating advanced, sustainable diaphragms for high-fidelity audio applications.