Jove
Visualize
Contact Us

Related Concept Videos

Plastic Deformation in Circular Shafts01:20

Plastic Deformation in Circular Shafts

When materials are subjected to forces that surpass their yield strength, they undergo a process known as plastic deformation. This results in a permanent alteration or strain in their structure. This concept can be specifically applied to circular shafts, where the deformation leads to a change in its shape. The precise evaluation of this plastic deformation requires understanding the stress distribution within the circular shaft, which is achieved by calculating the maximum shearing stress in...
Plastic Deformations01:19

Plastic Deformations

Plastic deformation represents a fundamental concept in materials science, which explains the irreversible change in the shape of a material when it experiences stress beyond its elastic capability. This phenomenon is important in structural engineering, especially in designing and analyzing cantilever beams—structures that are securely fixed at one end and bear loads at the opposite end. When these beams are subjected to loads within their elastic range, they will return to their original...

You might also read

Related Articles

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

Sort by
Same author

Thorough biomechanical analysis of arterial response to EasyEndo-Lite staple rotation: a simulation study in abaqus.

Computer methods in biomechanics and biomedical engineering·2026
Same author

C-COMPASS: a user-friendly neural network tool profiles cell compartments at protein and lipid levels.

Nature methods·2025
Same author

Impact of Intended Isocaloric Early versus Late Time-Restricted Eating on Plasma Lipidome in Women with Overweight or Obesity: Secondary Analysis of the ChronoFast Trial.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025
Same author

Plasma lipidomic patterns associated with disease activity in chronic inflammatory demyelinating polyradiculoneuropathy (LIPID-CIDP).

Journal of lipid research·2025
Same author

Skin Lipid-Microbe Interplay Links Staphylococcus hominis to Barrier Control in Adult Atopic Dermatitis.

Allergy·2025
Same author

Examining the link between 179 lipid species and 7 diseases using genetic predictors.

EBioMedicine·2025
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 Experiment Video

Updated: Jul 27, 2026

Robotic Cochlear Implantation for Direct Cochlear Access
08:06

Robotic Cochlear Implantation for Direct Cochlear Access

Published on: June 16, 2022

3.1K

Investigating mechanical deformation's role in cochlear implant durability.

Tatiana Blank1, André Marcel Ahrens1, Christian Klose1

  • 1Institut für Werkstoffkunde (Materials Science), Leibniz Universität Hannover, Garbsen, Germany.

Plos One
|July 9, 2024
PubMed
Summary

Microstructure significantly impacts platinum

More Related Videos

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery
06:54

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Published on: August 4, 2023

1.1K
Author Spotlight: Optimizing EAS with Long Electrodes for Enhanced Cochlear Coverage and Hearing Preservation
03:49

Author Spotlight: Optimizing EAS with Long Electrodes for Enhanced Cochlear Coverage and Hearing Preservation

Published on: October 11, 2024

781

Related Experiment Videos

Last Updated: Jul 27, 2026

Robotic Cochlear Implantation for Direct Cochlear Access
08:06

Robotic Cochlear Implantation for Direct Cochlear Access

Published on: June 16, 2022

3.1K
Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery
06:54

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Published on: August 4, 2023

1.1K
Author Spotlight: Optimizing EAS with Long Electrodes for Enhanced Cochlear Coverage and Hearing Preservation
03:49

Author Spotlight: Optimizing EAS with Long Electrodes for Enhanced Cochlear Coverage and Hearing Preservation

Published on: October 11, 2024

781

Area of Science:

  • Materials Science
  • Electrochemistry
  • Biomedical Engineering

Background:

  • Platinum and its alloys are vital for cochlear implant electrodes due to biocompatibility and electrochemical properties.
  • Implant failure over time necessitates understanding degradation mechanisms.
  • Microstructural effects on platinum's electrochemical degradation require investigation.

Purpose of the Study:

  • To investigate the influence of microstructure on the electrochemical degradation of platinum used in cochlear implants.
  • To determine how mechanical deformation, specifically rolling, affects platinum's corrosion resistance.
  • To analyze the impact of electrolytes and grain size on platinum's electrochemical behavior.

Main Methods:

  • Stimulation of platinum with a square wave signal for three days.
  • Cyclic voltammetry to assess electrochemical behavior in different electrolytes.
  • Polarization curves to evaluate the effect of grain size and surface defects.

Main Results:

  • Corrosive attack was observed on the platinum surface after three days of stimulation.
  • Mechanical deformation, particularly rolling, significantly influenced platinum's corrosion resistance.
  • Electrochemical behavior showed dependence on the electrolyte, suggesting buffer influence in artificial perilymph.
  • Polarization curves exhibited an unexpected shift with grain size, potentially due to surface defects.

Conclusions:

  • Microstructure, including mechanical deformation and grain size, plays a critical role in the electrochemical degradation of platinum.
  • Understanding these microstructural effects is essential for improving the long-term reliability of cochlear implants.
  • Further research into surface defects and electrolyte interactions can optimize electrode material performance.