Jove
Visualize
Contact Us

Related Concept Videos

Temperature Dependent Deformation01:12

Temperature Dependent Deformation

212
In a nonhomogeneous rod made up of steel and brass, restrained at both ends and subjected to a temperature change, several steps are involved in calculating the stress and compressive load. Due to the problem's static indeterminacy, one end support is disconnected, allowing the rod to experience the temperature change freely. Next, an unknown force is applied at the free end, triggering deformations in the rod's steel and brass portions. These deformations are then calculated and added...
212
Residual Stresses in Bending01:18

Residual Stresses in Bending

298
In the study of elastoplastic members subjected to bending moments, understanding the loading and unloading phases is crucial for assessing material behavior and structural integrity. During the loading phase, as the bending moment increases, the material initially responds elastically, adhering to Hooke's Law, where stress is directly proportional to strain. When the load exceeds the yield strength, plastic deformation occurs, resulting in permanent strain and deformation that remains even...
298
Unsymmetric Bending01:18

Unsymmetric Bending

503
Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from those in symmetrical bending, and are essential for designing structures to withstand different loading conditions. In unsymmetrical bending, the neutral axis—where stress is zero—does not necessarily align with the geometric axes of the cross-section. The...
503
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

351
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.
351
Mechanisms of Membrane-bending01:15

Mechanisms of Membrane-bending

2.9K
The living membranes are flexible due to their fluid mosaic nature; however, their bending into different shapes is an active process regulated by specific lipids and proteins. The membrane bending can be transient as seen in vesicles or stable for a long time as in microvilli. Cells regulate the size, location, and duration of the membrane curvature.
Membrane bending can happen due to intrinsic changes in lipid composition or extrinsic association with different proteins. The proteins involved...
2.9K
Bending of Members Made of Several Materials01:08

Bending of Members Made of Several Materials

310
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...
310

You might also read

Related Articles

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

Sort by
Same author

Associations of Adaptive Behavior and Wandering with Serious Injuries in Young Children with Autism: Study to Explore Early Development.

Journal of autism and developmental disorders·2025
Same author

Determination and investigation of defect domains in multi-shape monolayer tungsten disulfide.

Nanoscale advances·2024
Same author

Improving the accuracy of the FMO binding affinity prediction of ligand-receptor complexes containing metals.

Journal of computer-aided molecular design·2023
Same author

Sub-resolution contrast in neutral helium microscopy through facet scattering for quantitative imaging of nanoscale topographies on macroscopic surfaces.

Nature communications·2023
Same author

Perspectives on weak interactions in complex materials at different length scales.

Physical chemistry chemical physics : PCCP·2023
Same author

Deterministic synthesis of Cu<sub>9</sub>S<sub>5</sub> flakes assisted by single-layer graphene arrays.

Nanoscale advances·2022
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: Oct 6, 2025

Effect of Bending on the Electrical Characteristics of Flexible Organic Single Crystal-based Field-effect Transistors
08:43

Effect of Bending on the Electrical Characteristics of Flexible Organic Single Crystal-based Field-effect Transistors

Published on: November 7, 2016

8.2K

Temperature-Dependent Bending Rigidity of AB-Stacked Bilayer Graphene.

S D Eder1, S K Hellner1, S Forti2

  • 1Department of Physics and Technology, University of Bergen, Allégaten 55, 5007 Bergen, Norway.

Physical Review Letters
|January 14, 2022
PubMed
Summary

Bending rigidity of bilayer graphene increases with temperature. Measurements using helium atom scattering reveal a linear dependence, providing new insights into 2D material properties.

More Related Videos

Flexural Rigidity Measurements of Biopolymers Using Gliding Assays
07:55

Flexural Rigidity Measurements of Biopolymers Using Gliding Assays

Published on: November 9, 2012

10.9K
A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy
10:40

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy

Published on: April 8, 2018

8.4K

Related Experiment Videos

Last Updated: Oct 6, 2025

Effect of Bending on the Electrical Characteristics of Flexible Organic Single Crystal-based Field-effect Transistors
08:43

Effect of Bending on the Electrical Characteristics of Flexible Organic Single Crystal-based Field-effect Transistors

Published on: November 7, 2016

8.2K
Flexural Rigidity Measurements of Biopolymers Using Gliding Assays
07:55

Flexural Rigidity Measurements of Biopolymers Using Gliding Assays

Published on: November 9, 2012

10.9K
A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy
10:40

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy

Published on: April 8, 2018

8.4K

Area of Science:

  • Condensed Matter Physics
  • Materials Science
  • Nanotechnology

Background:

  • The temperature dependence of bending rigidity (κ(T)) in 2D materials is a subject of ongoing theoretical debate, with conflicting predictions of increasing or decreasing trends.
  • Understanding κ(T) is crucial for predicting the mechanical and thermal behavior of 2D materials in various applications.

Purpose of the Study:

  • To experimentally determine the temperature dependence of bending rigidity for AB-stacked bilayer graphene.
  • To compare experimental findings with existing theoretical predictions and previous room-temperature measurements.

Main Methods:

  • Measurements of phonon dispersion curves were performed using helium atom scattering.
  • The temperature range for measurements was 320-400 K.
  • Bending rigidity (κ(T)) was extracted from the phonon data and fitted to a linear model.

Main Results:

  • The bending rigidity of AB-stacked bilayer graphene was found to increase with temperature.
  • A linear fit yielded the relationship κ(T) = [(1.3±0.1) + (0.006±0.001)T/K] eV over the measured temperature range.
  • The experimental results support predictions of increasing bending rigidity with temperature.

Conclusions:

  • This study provides the first experimental evidence for an increasing bending rigidity with temperature in AB-stacked bilayer graphene.
  • The findings contribute to resolving theoretical discrepancies regarding the thermal behavior of 2D materials.
  • The quantified κ(T) is valuable for modeling and designing devices based on bilayer graphene at elevated temperatures.