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

Mechanical Characteristics of Steel01:18

Mechanical Characteristics of Steel

751
The mechanical characteristics of steel are assessed through various tests that evaluate its strength, toughness, and flexibility. These tests include tension, torsion, impact, bending, and hardness assessments, each providing crucial information about steel's suitability for specific applications.
The tension test is fundamental for determining tensile strength. In this test, a steel specimen is stretched using a gripping device until it breaks. The data collected during this test are used...
751
Strain and Elastic Modulus01:15

Strain and Elastic Modulus

4.0K
The quantity that describes the deformation of a body under stress is known as strain. Strain is given as a fractional change in either length, volume, or geometry under tensile, volume (also known as bulk), or shear stress, respectively, and is a dimensionless quantity. The strain experienced by a body under tensile or compressive stress is called tensile or compressive strain, respectively. In contrast, the strain experienced under bulk stress and shear stress is known as volume and shear...
4.0K
Mortar Properties01:17

Mortar Properties

180
Mortar properties encompass a range of characteristics crucial for construction and masonry work, including workability, water retention, bond strength, durability, compressive strength, volume change, and appearance. Workability refers to mortar's ability to be easily applied and manipulated without sagging or falling off surfaces, which is important for efficient masonry unit placement and alignment. Water retention is essential to prevent the mortar from losing moisture too quickly to...
180
Standard Enthalpy of Formation02:37

Standard Enthalpy of Formation

42.7K
Enthalpy changes are typically tabulated for reactions in which both the reactants and products are at the same conditions. A standard state is a commonly accepted set of conditions used as a reference point for the determination of properties under other different conditions. For chemists, the IUPAC standard state refers to materials under a pressure of 1 bar and solutions at 1 M and does not specify a temperature. Many thermochemical tables list values with a standard state of 1 atm. Because...
42.7K
Strength of Cement01:20

Strength of Cement

213
Strength tests for cement are not performed directly on neat cement paste due to difficulty in obtaining consistent, reliable specimens. Instead, cement is typically tested in the form of cement-sand mortar.
For compressive strength tests, ASTM C 109-05 standards prescribe a cement-sand mix ratio of 1:2.75 and a water/cement ratio of 0.485 for making 2-inch cubes. These cubes are mixed, cast, and cured in saturated lime water at 23°C until testing. Flexural strength testing, outlined in...
213
Elasticity in Concrete01:20

Elasticity in Concrete

131
Upon subjecting concrete to moderate or high uniaxial compressive or tensile stresses, the strain response is non-linear relative to the stress applied. As the stress is removed, the resulting stress-strain curve deviates from the original path traced during loading, creating a hysteresis loop, indicative of the concrete's non-linear and non-elastic properties. Typically, a material's modulus of elasticity, which is a measure of the material's stiffness, is inferred from the linear...
131

You might also read

Related Articles

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

Sort by
Same author

Mechanochemically assembled organometallic complexes: a mechanistic study.

Chemical science·2026
Same author

Sirtuin inhibition by plumbagin connects protein acetylation to cell division.

Journal of cell science·2026
Same author

Isoniazid-derived vanillin and Salicylaldehyde Hydrazones: Promising Antimycobacterials with KatG-dependent activation.

Bioorganic chemistry·2026
Same author

Coupling antigorite deformation and dehydration in high-pressure experiments.

Contributions to mineralogy and petrology. Beitrage zur Mineralogie und Petrologie·2025
Same author

Integrated Electrochemical Conversion of Plastic Waste and CO<sub>2</sub> to Formate Using Non-Noble-Metal Catalysts: <i>In Situ</i> Raman Study.

ACS applied materials & interfaces·2025
Same author

Design, Synthesis, and Biological Evaluation of Triazolopyrimidine-Isatin Hybrids as Promising Candidates for Triple-Negative Breast Cancer.

Archiv der Pharmazie·2025

Related Experiment Video

Updated: Sep 4, 2025

Atomic Force Microscopy Cantilever-Based Nanoindentation: Mechanical Property Measurements at the Nanoscale in Air and Fluid
08:58

Atomic Force Microscopy Cantilever-Based Nanoindentation: Mechanical Property Measurements at the Nanoscale in Air and Fluid

Published on: December 2, 2022

3.2K

Ultimate mechanical properties of enstatite.

Karine Gouriet1, Pascal Roussel2, Philippe Carrez1

  • 1University Lille, CNRS, INRAE, Centrale Lille, UMR 8207-UMET-Unité Matériaux et Transformations, 59000 Lille, France.

Physics and Chemistry of Minerals
|July 18, 2022
PubMed
Summary

First-principles calculations reveal MgSiO3 orthoenstatite

Keywords:
Ideal shear strengthIdeal tensile strengthOrthoenstatiteUltimate mechanical properties

More Related Videos

Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides
09:41

Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides

Published on: May 29, 2018

9.6K
Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions
11:50

Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions

Published on: June 13, 2015

12.6K

Related Experiment Videos

Last Updated: Sep 4, 2025

Atomic Force Microscopy Cantilever-Based Nanoindentation: Mechanical Property Measurements at the Nanoscale in Air and Fluid
08:58

Atomic Force Microscopy Cantilever-Based Nanoindentation: Mechanical Property Measurements at the Nanoscale in Air and Fluid

Published on: December 2, 2022

3.2K
Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides
09:41

Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides

Published on: May 29, 2018

9.6K
Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions
11:50

Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions

Published on: June 13, 2015

12.6K

Area of Science:

  • Materials Science
  • Geophysics
  • Computational Physics

Background:

  • Magnesium silicate orthoenstatite (MgSiO3 OEN) is a key mineral in Earth's upper mantle.
  • Understanding its mechanical properties is crucial for geodynamic modeling.
  • Previous studies have provided insights, but detailed first-principles calculations of ideal strengths were lacking.

Purpose of the Study:

  • To calculate the ideal tensile and shear strengths of MgSiO3 orthoenstatite (OEN) using first-principles methods.
  • To investigate the anisotropic mechanical behavior of OEN under different loading conditions.
  • To identify and characterize any stable modified structures that emerge under stress.

Main Methods:

  • Density Functional Theory (DFT) based first-principles calculations.
  • Application of homogeneous strain increments along high-symmetry directions and low-index planes.
  • Calculation of ideal tensile strength (ITS) and ideal shear strength (ISS).

Main Results:

  • MgSiO3 OEN exhibits highly anisotropic ideal tensile strength (4.5–8.7 GPa) but relatively isotropic ideal shear strength (7.4–8.9 GPa).
  • A novel, more stable modified structure was discovered under tensile loading along [100] and [001] directions.
  • This modified structure displays exceptional anisotropy and high strength (7.6–25.6 GPa), particularly along the [001] direction.

Conclusions:

  • The mechanical properties of MgSiO3 OEN are strongly dependent on the loading direction and type.
  • The discovery of a more stable, high-strength modified structure has significant implications for understanding mineral behavior under extreme conditions.
  • These findings provide critical data for geophysical models involving silicate materials.