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

Microcracking in Concrete01:20

Microcracking in Concrete

528
Microcracking in concrete refers to the tiny cracks that can form within the material even before any external load is applied. These microcracks typically occur at the interface between the coarse aggregate and the hydrated cement paste, often as a result of differential volume changes prompted by variations in stress-strain behavior, as well as thermal and moisture movement. Initially, these microcracks remain stable and do not grow substantially until the concrete is stressed to about 30...
528
Transition Zone01:28

Transition Zone

451
The transition zone in concrete is a critical area where aggregate meets cement paste, marked by a distinct porosity and weakness compared to the surrounding material. The adhesion around the aggregates is primarily due to Van Der Waals forces. The voids within this zone influence its robustness; initially, it is less durable than the surrounding bulk mortar due to larger voids. Initially, when concrete is compacted, a higher water-cement ratio near the aggregates leads to the formation of...
451
Types of Non-structural Cracks in Concrete01:28

Types of Non-structural Cracks in Concrete

571
Non-structural cracks are primarily of three types: plastic, early-age thermal, and drying shrinkage cracks. Plastic cracks are further classified into plastic shrinkage cracks and plastic settlement cracks.
Plastic shrinkage cracks typically form within hours after the concrete is poured. The concrete's surface dries faster than the bottom, creating tensile stress that the still-plastic concrete cannot withstand, leading to diagonal or randomly patterned cracks on the concrete surface.
571
Relative Motion Analysis - Acceleration01:10

Relative Motion Analysis - Acceleration

1.0K
A slider-crank mechanism converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider. The movement of the slider-crank is an example of general plane motion as the fluctuating angle between the crank and the connecting rod. Consider a segment AB where point A is at the end of the slider and point B is on the diametrically opposite end to point A, on a crack. The variance in...
1.0K
Impact01:30

Impact

570
Impact occurs when two bodies collide, leading to the application of impulsive forces between them. Analyzing impact mechanics involves considering two colliding particles moving along a line known as the line of impact, which passes through their centers and is perpendicular to the contact plane.
When particles with different initial velocities collide, they induce deformation by applying equal and opposite impulses. At the point of maximum deformation, the particles move together with...
570
Velocity of an Object01:18

Velocity of an Object

255
Understanding how an object moves along a path requires distinguishing between motion over a time span and motion at a precise moment. A useful example is a vehicle traveling along a straight and level path, where its position at any given time is known. The initial step in analyzing this motion is to measure how far the vehicle travels over a fixed time period. This measurement, called average velocity, is computed by dividing the total change in position by the duration over which the change...
255

You might also read

Related Articles

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

Sort by
Same author

Complex banded structures in directional solidification processes.

Journal of physics. Condensed matter : an Institute of Physics journal·2015
Same author

Strain induced incommensurate structures in vicinity of reconstructive phase transitions.

Journal of physics. Condensed matter : an Institute of Physics journal·2015
Same author

Active microrheology of networks composed of semiflexible polymers: theory and comparison with simulations.

Physical review. E, Statistical, nonlinear, and soft matter physics·2005
Same author

Kinetics of membrane adhesion mediated by ligand-receptor interaction studied with a biomimetic system.

Biophysical journal·2001
Same author

Dynamic instability of dislocations due to nucleation of a new phase.

Physical review. E, Statistical, nonlinear, and soft matter physics·2001
Same author

Deformation of the envelope of a spherical gram-negative bacterium during the atomic force microscopic measurements.

Journal of electron microscopy·2000

Related Experiment Video

Updated: Mar 17, 2026

A Method for Studying the Temperature Dependence of Dynamic Fracture and Fragmentation
09:12

A Method for Studying the Temperature Dependence of Dynamic Fracture and Fragmentation

Published on: June 28, 2015

9.0K

Crack velocity jumps engendered by a transformational process zone.

A Boulbitch1, A L Korzhenevskii2

  • 1IEE S.A. ZAE Weiergewan, 11, rue Edmond Reuter, L-5326 Contern, Luxembourg.

Physical Review. E
|July 15, 2016
PubMed
Summary

Fast crack propagation involves a process zone acting as a phase transformation. This creates a frictionlike force, leading to three distinct crack motion regimes based on temperature and crack speed, including velocity jumps.

More Related Videos

Mechanoluminescent Visualization of Crack Propagation for Joint Evaluation
04:58

Mechanoluminescent Visualization of Crack Propagation for Joint Evaluation

Published on: January 6, 2023

6.1K
Full-field Strain Measurements for Microstructurally Small Fatigue Crack Propagation Using Digital Image Correlation Method
07:37

Full-field Strain Measurements for Microstructurally Small Fatigue Crack Propagation Using Digital Image Correlation Method

Published on: January 16, 2019

10.2K

Related Experiment Videos

Last Updated: Mar 17, 2026

A Method for Studying the Temperature Dependence of Dynamic Fracture and Fragmentation
09:12

A Method for Studying the Temperature Dependence of Dynamic Fracture and Fragmentation

Published on: June 28, 2015

9.0K
Mechanoluminescent Visualization of Crack Propagation for Joint Evaluation
04:58

Mechanoluminescent Visualization of Crack Propagation for Joint Evaluation

Published on: January 6, 2023

6.1K
Full-field Strain Measurements for Microstructurally Small Fatigue Crack Propagation Using Digital Image Correlation Method
07:37

Full-field Strain Measurements for Microstructurally Small Fatigue Crack Propagation Using Digital Image Correlation Method

Published on: January 16, 2019

10.2K

Area of Science:

  • Solid mechanics
  • Materials science
  • Thermodynamics

Background:

  • Crack propagation is a critical phenomenon in material failure.
  • Understanding the behavior of the crack tip process zone is essential for predicting material integrity.
  • Phase transformations can significantly influence material properties and mechanical responses.

Purpose of the Study:

  • To investigate the dynamics of fast crack propagation.
  • To model the crack tip process zone as a second-order local phase transformation.
  • To identify and characterize different regimes of crack motion based on temperature and speed.

Main Methods:

  • Theoretical modeling of crack propagation.
  • Analysis of the process zone as a phase transformation.
  • Investigation of temperature-dependent crack tip behavior.
  • Characterization of crack velocity and process zone dynamics.

Main Results:

  • A nonlinear frictionlike force is exerted on the crack tip due to the process zone.
  • Three distinct regimes of crack motion are identified: always existing, emerging at high speeds, and flickering.
  • The flickering regime is characterized by crack velocity jumps.
  • The behavior of the crack tip process zone is temperature-dependent.

Conclusions:

  • The process zone's phase transformation generates a resistance force to crack propagation.
  • Temperature and crack speed critically influence the crack tip process zone and overall crack motion.
  • The study reveals distinct regimes of crack behavior, including sudden velocity changes, offering new insights into fracture dynamics.