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

Transformation of Plane Strain01:12

Transformation of Plane Strain

193
When analyzing elongated structures like bars subjected to uniformly distributed loads, it is essential to understand the transformation of plane strain when coordinate axes are rotated. This transformation helps to assess how material deformation characteristics vary with orientation, which is crucial in materials science and structural engineering.
Under plane strain conditions, typical for members where one dimension significantly exceeds the others, deformations and resultant strains are...
193
Three-Dimensional Analysis of Strain01:29

Three-Dimensional Analysis of Strain

250
Three-dimensional strain analysis is crucial for understanding how materials deform under stress, particularly in elastic, homogeneous materials. This method employs principal stress axes to simplify complex stress states into more understandable forms. Subjected to stress, a small cubic element within a material either expands or contracts along these axes, transforming into a rectangular parallelepiped. This transformation effectively illustrates the material's deformation. The principal...
250
Angle of Twist - Elastic Range01:13

Angle of Twist - Elastic Range

357
Consider a cylindrical shaft with a length denoted by L and a consistent cross-sectional radius referred to as r. This shaft undergoes a torque at the free end. The highest shearing strain within the shaft is directly proportional to the twist angle and the radial distance from the shaft axis. When the shaft behaves elastically, this shearing strain can be articulated using variables such as the applied torque, radial distance, the polar moment of inertia, and the modulus of rigidity. By...
357
Bending of Curved Members - Strain Analysis01:14

Bending of Curved Members - Strain Analysis

158
The mechanics of deformation in curved members, such as beams or arches, under bending moments, involve complex responses. When such a member, symmetric about the y-axis and shaped like a segment of a circle centered at point C, is subjected to equal and opposite forces, its curvature and surface lengths change significantly. This alteration results in the shift of the curvature's center from C to C', indicating a tighter curve.
The important part of bending analysis for such a member...
158
Angle of Twist: Problem Solving01:13

Angle of Twist: Problem Solving

349
An electric motor applies a torque of 700 N·m to an aluminum shaft, triggering a stable rotation. Two pulleys, B and C, are subjected to torques of 300 N·m and 400 N·m, respectively. The modulus of rigidity is provided as 25 GPa. With the knowledge of the length and diameter of each segment, the twist angle between the two pulleys can be computed. First, a section cut is made between pulleys B and C, and the cut cross-section is analyzed using a free-body diagram. Given that the...
349
Deformations in a Transverse Cross Section01:21

Deformations in a Transverse Cross Section

278
When a material is subjected to uniaxial stress, it elongates or contracts in the direction of the applied force, and also undergoes changes in the perpendicular directions. This behavior is crucial for understanding how materials behave under stress and is governed by mechanical properties such as Poisson's ratio v, which measures the ratio of transverse strain to axial strain.
As the material stretches, it expands or contracts in orthogonal directions to the load. This phenomenon varies...
278

You might also read

Related Articles

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

Sort by
Same author

Deterministic, dynamically reconfigurable single quantum emitters enabled by tip-enhanced nano-optical trapping spectroscopy.

Nature communications·2026
Same author

Author Correction: Hidden states and dynamics of fractional fillings in twisted MoTe<sub>2</sub> bilayers.

Nature·2026
Same author

Imaging the flat bands of magic-angle graphene reshaped by interactions.

Nature·2026
Same author

Upconversion Nanoparticles: Toward Programmable Nanoscale Photonic Systems.

Accounts of chemical research·2026
Same author

Correction to "Macroscopic Transition Metal Dichalcogenide Monolayers from Gold-Tape Exfoliation Retain Intrinsic Properties".

Nano letters·2026
Same author

Observation of coherent ferron emission and propagation.

Nature materials·2026
Same journal

A native sulfur deposit in Gale crater, Mars.

Science (New York, N.Y.)·2026
Same journal

Coordinated demise of harmful algal blooms.

Science (New York, N.Y.)·2026
Same journal

Genetic effects put into context.

Science (New York, N.Y.)·2026
Same journal

Bacteria share proteins to survive antibiotics.

Science (New York, N.Y.)·2026
Same journal

Impacts shaped Earth's first continents.

Science (New York, N.Y.)·2026
Same journal

Erratum for the Report "Covalently bonded single-molecule junctions with stable and reversible photoswitched conductivity" by C. Jia <i>et al</i>.

Science (New York, N.Y.)·2026
See all related articles

Related Experiment Video

Updated: Jul 19, 2025

Micro/Nano-scale Strain Distribution Measurement from Sampling Moir&#233; Fringes
06:56

Micro/Nano-scale Strain Distribution Measurement from Sampling Moiré Fringes

Published on: May 23, 2017

12.3K

Programming twist angle and strain profiles in 2D materials.

Maëlle Kapfer1, Bjarke S Jessen1, Megan E Eisele1

  • 1Department of Physics, Columbia University, New York, NY, USA.

Science (New York, N.Y.)
|August 10, 2023
PubMed
Summary
This summary is machine-generated.

Researchers precisely controlled moiré superlattices in 2D materials by bending ribbons. This method reduces strain and disorder, enabling tunable moiré patterns for quantum applications.

More Related Videos

Artificial Thermal Ageing of Polyester Reinforced and Polyvinyl Chloride Coated Technical Fabric
07:48

Artificial Thermal Ageing of Polyester Reinforced and Polyvinyl Chloride Coated Technical Fabric

Published on: January 29, 2020

6.6K
3D Printing and In Situ Surface Modification via Type I Photoinitiated Reversible Addition-Fragmentation Chain Transfer Polymerization
07:28

3D Printing and In Situ Surface Modification via Type I Photoinitiated Reversible Addition-Fragmentation Chain Transfer Polymerization

Published on: February 18, 2022

3.8K

Related Experiment Videos

Last Updated: Jul 19, 2025

Micro/Nano-scale Strain Distribution Measurement from Sampling Moir&#233; Fringes
06:56

Micro/Nano-scale Strain Distribution Measurement from Sampling Moiré Fringes

Published on: May 23, 2017

12.3K
Artificial Thermal Ageing of Polyester Reinforced and Polyvinyl Chloride Coated Technical Fabric
07:48

Artificial Thermal Ageing of Polyester Reinforced and Polyvinyl Chloride Coated Technical Fabric

Published on: January 29, 2020

6.6K
3D Printing and In Situ Surface Modification via Type I Photoinitiated Reversible Addition-Fragmentation Chain Transfer Polymerization
07:28

3D Printing and In Situ Surface Modification via Type I Photoinitiated Reversible Addition-Fragmentation Chain Transfer Polymerization

Published on: February 18, 2022

3.8K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Nanotechnology

Background:

  • Moiré superlattices in twisted 2D materials offer tunable quantum properties.
  • Current assembly methods lack precise control over twist angle and introduce strain, limiting moiré pattern quality.

Purpose of the Study:

  • To develop a novel technique for precise manipulation of moiré patterns in 2D materials.
  • To improve twist-angle homogeneity and reduce strain in moiré superlattices.

Main Methods:

  • In-plane bending of monolayer ribbons using an atomic force microscope tip.
  • Controlled manipulation of interlayer atomic registry to form moiré patterns.

Main Results:

  • Achieved continuous variation of twist angles with high homogeneity.
  • Significantly reduced random strain, leading to ultralow disorder moiré patterns.
  • Demonstrated tunable moiré pattern wavelength.

Conclusions:

  • In-plane bending offers superior control over moiré superlattices compared to existing methods.
  • The technique facilitates detailed studies of ultralow-disorder moiré systems.
  • Enables the development of precisely strain-engineered devices.