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

Stress-Strain Diagram - Ductile Materials01:24

Stress-Strain Diagram - Ductile Materials

2.2K
The stress-strain relationship in ductile materials such as structural steel or aluminium is intricate and progresses through several stages. When a specimen is loaded, it initially exhibits a linear length increase, depicted by a steep straight line on the stress-strain diagram. It indicates the material is elastically deforming and will return to its original shape once unloaded. However, when a critical stress value is reached, plastic deformation begins. This stage sees substantial...
2.2K
Temperature Dependent Deformation01:12

Temperature Dependent Deformation

454
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...
454
Residual Stresses01:26

Residual Stresses

705
Residual stresses reside in a structure even after removing the original stress inducer. This phenomenon often arises from varied plastic deformations across different parts of a structure. Consider a rod stretched beyond its yield point. It will not regain its original length due to permanent deformation. Even after load removal, the rod does not entirely lose stress because of uneven plastic deformations, resulting in residual stresses. The computation of these stresses in structures is...
705
Plastic Deformations01:14

Plastic Deformations

514
It is essential to understand how structural members behave under plastic deformation when the bending stress exceeds the material's yield strength. This state of deformation permanently alters the shape of the member, in contrast to the linear elastic behavior observed before yielding. The strain at any point in the member is expressed in terms of maximum strain. Notably, the neutral axis, which coincides with the centroid during elastic bending, shifts away from the centroid under plastic...
514
Plastic Deformations01:19

Plastic Deformations

508
Plastic deformation represents a fundamental concept in materials science, which explains the irreversible change in the shape of a material when it experiences stress beyond its elastic capability. This phenomenon is important in structural engineering, especially in designing and analyzing cantilever beams—structures that are securely fixed at one end and bear loads at the opposite end. When these beams are subjected to loads within their elastic range, they will return to their...
508
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

644
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.
644

You might also read

Related Articles

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

Sort by
Same author

Achieving near-theoretical strength and high elasticity in micrometer scale TiB<sub>2</sub> ceramics.

Nature communications·2026
Same author

[Association between gestational weight gain and pre-eclampsia stratified by pre-pregnancy body mass index].

Zhonghua fu chan ke za zhi·2026
Same author

[Exploration on the application of perineal lateral arc-shaped incision in the resection of complex tumors on the lateral side of the pelvic floor].

Zhonghua zhong liu za zhi [Chinese journal of oncology]·2026
Same author

Fermi-level depinning achieved by high-work-function Au<sub>1-x</sub>Se<sub>x</sub> alloy contacts for high-performance p-type WSe<sub>2</sub> transistors.

Nature communications·2026
Same author

[Reported incidence trend of hand, foot and mouth disease in Hebei Province, 2008-2024: a study based on interrupted time series analysis].

Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi·2026
Same author

Frontier-orbital modulation of rhodium single-atom catalysts for enhanced hydrogen evolution.

Nature communications·2026

Related Experiment Video

Updated: Feb 24, 2026

Generating Lap Joints Via Friction Stir Spot Welding on DP780 Steel
07:18

Generating Lap Joints Via Friction Stir Spot Welding on DP780 Steel

Published on: August 13, 2019

7.4K

High dislocation density-induced large ductility in deformed and partitioned steels.

B B He1, B Hu2, H W Yen3

  • 1Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China.

Science (New York, N.Y.)
|August 26, 2017
PubMed
Summary

Researchers developed a new steel processing method to achieve high strength and ductility. This deformed and partitioned (D and P) process creates advanced materials for industrial use.

More Related Videos

A Novel Biaxial Testing Apparatus for the Determination of Forming Limit under Hot Stamping Conditions
07:40

A Novel Biaxial Testing Apparatus for the Determination of Forming Limit under Hot Stamping Conditions

Published on: April 4, 2017

8.0K
An Available Technique for Preparation of New Cast MnCuNiFeZnAl Alloy with Superior Damping Capacity and High Service Temperature
14:51

An Available Technique for Preparation of New Cast MnCuNiFeZnAl Alloy with Superior Damping Capacity and High Service Temperature

Published on: September 23, 2018

7.5K

Related Experiment Videos

Last Updated: Feb 24, 2026

Generating Lap Joints Via Friction Stir Spot Welding on DP780 Steel
07:18

Generating Lap Joints Via Friction Stir Spot Welding on DP780 Steel

Published on: August 13, 2019

7.4K
A Novel Biaxial Testing Apparatus for the Determination of Forming Limit under Hot Stamping Conditions
07:40

A Novel Biaxial Testing Apparatus for the Determination of Forming Limit under Hot Stamping Conditions

Published on: April 4, 2017

8.0K
An Available Technique for Preparation of New Cast MnCuNiFeZnAl Alloy with Superior Damping Capacity and High Service Temperature
14:51

An Available Technique for Preparation of New Cast MnCuNiFeZnAl Alloy with Superior Damping Capacity and High Service Temperature

Published on: September 23, 2018

7.5K

Area of Science:

  • Materials Science
  • Metallurgy
  • Mechanical Engineering

Background:

  • Industrial applications demand materials exhibiting both high strength and ductility.
  • Conventional strengthening methods, like introducing dislocations, often compromise material ductility.
  • Achieving both high strength and ductility simultaneously remains a significant materials science challenge.

Purpose of the Study:

  • To develop a novel processing strategy for inexpensive medium manganese steel.
  • To overcome the inverse relationship between strength and ductility in metallic materials.
  • To create a pathway for advanced high-strength, high-ductility materials.

Main Methods:

  • Utilized cold rolling followed by low-temperature tempering on medium manganese steel.
  • Developed a deformed and partitioned (D and P) process.
  • Created a microstructure with metastable austenite grains within a martensite matrix containing numerous dislocations.

Main Results:

  • The D and P process successfully produced dislocation hardening while maintaining high ductility.
  • High ductility was attributed to the glide of mobile dislocations and controlled martensitic transformation.
  • The resulting steel exhibited a unique microstructure of embedded metastable austenite in a dislocated martensite matrix.

Conclusions:

  • The D and P strategy effectively enhances both strength and ductility in medium manganese steel.
  • This approach circumvents the typical trade-off between strength and ductility.
  • The D and P method offers a promising strategy applicable to other alloys with deformation-induced martensitic transformation.