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

Types of Friction Problems01:27

Types of Friction Problems

1.0K
Friction is an essential concept in physics, engineering, and everyday life. It is the force that opposes the relative motion or tendency of such motion between two surfaces in contact. One of the most common types of friction encountered in various applications is dry friction. Dry friction problems can be broadly categorized into three types, each with unique characteristics and challenges.
The first type of dry friction problem involves situations where there is no apparent impending motion....
1.0K
Dry Friction01:30

Dry Friction

1.1K
Dry friction occurs between two solid surfaces in contact as they attempt to move relative to one another. In daily life, dry friction is encountered in various forms, such as when walking on the ground, sliding an object across a table, or rubbing hands together. Despite its ubiquity, the underlying mechanisms behind dry friction are not readily visible.
To illustrate this concept, imagine a wooden crate resting on a rough, non-uniform horizontal surface. When an external force is applied to...
1.1K
Residual Stresses in Bending01:18

Residual Stresses in Bending

648
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...
648
Static and Kinetic Frictional Force01:05

Static and Kinetic Frictional Force

26.4K
One of the simpler characteristics of sliding friction is that it is parallel to the contact surfaces between systems, and is always in a direction that opposes the motion or attempted motion of the systems relative to each other. If two systems are in contact and moving relative to one another, then the friction between them is called kinetic friction. For example, kinetic friction slows a hockey puck sliding on ice.
However, if two systems are in contact and are stationary relative to one...
26.4K
Frictional Force01:07

Frictional Force

10.7K
When a body is in motion, it encounters resistance because the body interacts with its surroundings. This resistance is known as friction, a common yet complex force whose behavior is still not completely understood. Friction opposes relative motion between systems in contact, but also allows us to move. Friction arises in part due to the roughness of surfaces in contact. For one object to move along a surface, it must rise to where the peaks of the surface can skip along the bottom of the...
10.7K
Static Friction01:18

Static Friction

1.6K
Static friction is a force that opposes the relative motion or tendency of motion between two surfaces in contact. It plays a crucial role in our daily lives, from walking on the ground to driving a car.
For example, consider a scenario where a truck is connected to a car by a rope, ready to tow it along a road. When no external force is applied by the truck, the car remains stationary and is said to be in static equilibrium. In this case, the forces acting on the car, such as gravity and the...
1.6K

You might also read

Related Articles

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

Sort by
Same author

An Experimental Measurement Method to Characterize and Apply Platinum Silicon Material for a Biomechanical Replica of the Thoracic Aorta.

Biomimetics (Basel, Switzerland)·2026
Same author

Design criterion research and application based on grasping stability for shape self-adaptive ring gripper.

Scientific reports·2026
Same author

Fractures of the coronoid process: state of the art.

Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology·2025
Same author

A Novel Shallow Neural Network-Augmented Pose Estimator Based on Magneto-Inertial Sensors for Reference-Denied Environments.

Sensors (Basel, Switzerland)·2025
Same author

Fault diagnosis of permanent magnet synchronous motor based on MTF fusion image and NRBO-SCN method.

Scientific reports·2025
Same author

A collective intelligence model for swarm robotics applications.

Nature communications·2025

Related Experiment Video

Updated: Mar 27, 2026

Residue-Free Fabrication of van der Waals Heterostructures of Two-Dimensional Materials
04:57

Residue-Free Fabrication of van der Waals Heterostructures of Two-Dimensional Materials

Published on: July 18, 2025

1.3K

Loading-unloading hysteresis loop of randomly rough adhesive contacts.

Giuseppe Carbone1,2, Elena Pierro3, Giuseppina Recchia1

  • 1Department of Mechanics, Mathematics and Management, Politecnico di Bari, v.le Japigia 182, I-70126 Bari, Italy.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|January 15, 2016
PubMed
Summary

Soft solids exhibit energy loss due to adhesion and surface roughness, creating a hysteresis loop during loading and unloading. This phenomenon arises from trapped metastable states influenced by van der Waals forces.

More Related Videos

Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes
13:57

Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes

Published on: December 24, 2014

14.4K
Pattern Generation for Micropattern Traction Microscopy
09:26

Pattern Generation for Micropattern Traction Microscopy

Published on: February 17, 2022

2.8K

Related Experiment Videos

Last Updated: Mar 27, 2026

Residue-Free Fabrication of van der Waals Heterostructures of Two-Dimensional Materials
04:57

Residue-Free Fabrication of van der Waals Heterostructures of Two-Dimensional Materials

Published on: July 18, 2025

1.3K
Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes
13:57

Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes

Published on: December 24, 2014

14.4K
Pattern Generation for Micropattern Traction Microscopy
09:26

Pattern Generation for Micropattern Traction Microscopy

Published on: February 17, 2022

2.8K

Area of Science:

  • Materials Science
  • Physics
  • Tribology

Background:

  • Understanding the mechanical behavior of soft solids is crucial for various applications.
  • Surface roughness and adhesion forces significantly influence contact mechanics.
  • Previous studies often simplified surface profiles, neglecting complex fractal geometries.

Purpose of the Study:

  • To investigate the loading-unloading behavior of soft solids in adhesive contact with randomly rough surfaces.
  • To analyze the impact of fractal roughness and adhesion on contact mechanics.
  • To quantify energy dissipation mechanisms in soft solid contacts.

Main Methods:

  • Generation of self-affine fractal surfaces using a spectral method.
  • Numerical simulation of adhesive contact between soft solids and rough surfaces.
  • Statistical averaging of results to determine contact area and load as a function of penetration.

Main Results:

  • A distinct hysteresis loop was observed in the loading-unloading curves.
  • Adhesion forces and surface roughness were identified as key drivers of this hysteresis.
  • Energy loss was quantified and linked to metastable states and van der Waals forces.

Conclusions:

  • The interplay between adhesion and fractal roughness in soft solids leads to significant energy dissipation.
  • Surface statistical properties and adhesion energy critically influence the observed hysteresis.
  • This work provides a quantitative understanding of energy loss in adhesive contacts, relevant for material design and performance prediction.