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

Fatigue01:21

Fatigue

978
Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
978
Transmission Electron Microscopy01:15

Transmission Electron Microscopy

7.7K
In 1931, physicist Ernst Ruska—building on the idea that magnetic fields can direct an electron beam just as lenses can direct a beam of light in an optical microscope—developed the first prototype of the electron microscope. This development led to the development of the field of electron microscopy. In the transmission electron microscope (TEM), electrons are produced by a hot tungsten element and accelerated by a potential difference in an electron gun, which gives them up to 400...
7.7K

You might also read

Related Articles

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

Sort by
Same author

Controlling Fatigue Cracks in the Transmission Electron Microscope.

Small methods·2025
Same author

Grain boundary zirconia-modified garnet solid-state electrolyte.

Nature materials·2025
Same author

Tiny Bubbles: Combined HR(S)TEM and 4D-STEM Analysis of Sub-Nanometer He Bubbles in Au.

Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada·2025
Same author

Ruddlesden-Popper chalcogenides push the limit of mechanical stiffness and glass-like thermal conductivity in single crystals.

Nature communications·2025
Same author

Bio-inspired interlocking metasurfaces.

Bioinspiration & biomimetics·2025
Same author

Spectral Pyrometry for Practical Temperature Measurement in the TEM.

Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada·2024

Related Experiment Video

Updated: Mar 18, 2026

Author Spotlight: A Machine-Vision Approach to Transmission Electron Microscopy Workflows, Results Analysis and Data Management
10:23

Author Spotlight: A Machine-Vision Approach to Transmission Electron Microscopy Workflows, Results Analysis and Data Management

Published on: June 23, 2023

3.6K

High Cycle Fatigue in the Transmission Electron Microscope.

Daniel C Bufford1, Douglas Stauffer2, William M Mook1

  • 1Sandia National Laboratories , Albuquerque, New Mexico 87185, United States.

Nano Letters
|June 29, 2016
PubMed
Summary

This study reveals real-time nanoscale fatigue crack growth in nanocrystalline copper using in situ TEM mechanical loading. It uncovers localized deformation and grain growth mechanisms governing fatigue in metals.

Keywords:
FatigueTEMcrack propagationmetals

More Related Videos

Author Spotlight: Studying Biomechanics of Circulating Cells by Modulating Their Electrodeformation Behavior
09:45

Author Spotlight: Studying Biomechanics of Circulating Cells by Modulating Their Electrodeformation Behavior

Published on: October 13, 2023

2.2K
Ultrasonic Fatigue Testing in the Tension-Compression Mode
06:54

Ultrasonic Fatigue Testing in the Tension-Compression Mode

Published on: March 7, 2018

11.3K

Related Experiment Videos

Last Updated: Mar 18, 2026

Author Spotlight: A Machine-Vision Approach to Transmission Electron Microscopy Workflows, Results Analysis and Data Management
10:23

Author Spotlight: A Machine-Vision Approach to Transmission Electron Microscopy Workflows, Results Analysis and Data Management

Published on: June 23, 2023

3.6K
Author Spotlight: Studying Biomechanics of Circulating Cells by Modulating Their Electrodeformation Behavior
09:45

Author Spotlight: Studying Biomechanics of Circulating Cells by Modulating Their Electrodeformation Behavior

Published on: October 13, 2023

2.2K
Ultrasonic Fatigue Testing in the Tension-Compression Mode
06:54

Ultrasonic Fatigue Testing in the Tension-Compression Mode

Published on: March 7, 2018

11.3K

Area of Science:

  • Materials Science
  • Mechanical Engineering
  • Nanotechnology

Background:

  • Fatigue failure is a common cause of structural damage in metals.
  • Traditional post-mortem analysis limits understanding of real-time microstructural processes during fatigue crack growth.
  • Nanocrystalline materials exhibit unique mechanical properties that require detailed investigation under cyclic loading.

Purpose of the Study:

  • To investigate the in situ fatigue behavior of nanocrystalline copper at the nanoscale.
  • To observe and quantify crack growth dynamics under cyclic loading in real time.
  • To elucidate the microstructural mechanisms governing fatigue crack nucleation and propagation.

Main Methods:

  • Utilized in situ quantitative cyclic mechanical loading within a transmission electron microscope (TEM).
  • Applied controllable tension-tension fatigue loads at frequencies from 1 to several hundred hertz.
  • Employed standard TEM imaging and precession electron diffraction (PED) for nanoscale analysis.

Main Results:

  • Achieved accumulation of 10^6 cycles within 1 hour, enabling study of fatigue at incipient threshold regimes.
  • Measured extremely slow fatigue crack growth rates of approximately 10^-12 m/cycle.
  • Observed localized deformation and grain growth within 150 nm of the crack tip.

Conclusions:

  • Provided unprecedented nanoscale, real-time insights into fatigue crack growth mechanisms in nanocrystalline copper.
  • Demonstrated the capability of in situ TEM mechanical testing for studying fatigue at very low crack growth rates.
  • Highlighted the role of localized deformation and grain evolution in fatigue damage accumulation and crack propagation.