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

578
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...
578
Design of Prismatic Beams for Bending01:23

Design of Prismatic Beams for Bending

239
The design of prismatic beams, structural elements with a uniform cross-section, focuses on ensuring safety and structural integrity under load. The design process begins by determining the allowable stress, either from material properties tables, or by dividing the material's ultimate strength by a safety factor. This safety factor is essential for accommodating uncertainties, and varies depending on the material—timber, steel, or concrete—with each having unique strength and...
239
Design Consideration01:22

Design Consideration

188
Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
The factor of safety is another key...
188
Metallic Solids02:37

Metallic Solids

18.4K
Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....
18.4K
Yield Criteria for Ductile Materials under Plane Stress01:25

Yield Criteria for Ductile Materials under Plane Stress

164
In designing structural elements and machine parts using ductile materials, it is crucial to ensure that these components withstand applied stresses without yielding. Yielding is initially determined through a tensile test, which evaluates the material's response to uniaxial stress. However, tensile stress is insufficient when components face biaxial or plane stress conditions This condition requires advanced criteria to predict failure.
The Maximum Shearing Stress Criterion, also known as...
164
Unsymmetric Loading of Thin-Walled Members: Problem Solving01:07

Unsymmetric Loading of Thin-Walled Members: Problem Solving

108
The shear center of a channel section with uniform thickness, height, and width, is determined by computing the shear force in the member and calculating the moments of inertia of the sections.
To compute the shear forces, find the shear flow at a specific distance from the endpoint using the vertical shear and the moment of inertia values. The total shear force on the flange is calculated by integrating the shear flow from one end of the flange to the other.
Next, calculate the moments of...
108

You might also read

Related Articles

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

Sort by
Same author

FGFR3 deficiency enhances CXCL12-dependent chemotaxis of macrophages via upregulating CXCR7 and aggravates joint destruction in mice.

Annals of the rheumatic diseases·2019
Same author

Evolution of intrinsic vacancies and prolonged lifetimes of vacancy clusters in black phosphorene.

Nanoscale·2019
Same author

Clinical Presentation of Sporadic Creutzfeldt-Jakob Disease in Han-Chinese.

Alzheimer disease and associated disorders·2019
Same author

Migration behaviors of leaky dielectric droplets with electric and hydrodynamic forces.

Physical review. E·2019
Same author

Mo Concentration Controls the Morphological Transitions from Dendritic to Semicompact, and to Compact Growth of Monolayer Crystalline MoS<sub>2</sub> on Various Substrates.

ACS applied materials & interfaces·2019
Same author

The bracteatus pineapple genome and domestication of clonally propagated crops.

Nature genetics·2019

Related Experiment Video

Updated: Jul 8, 2025

Processing of Bulk Nanocrystalline Metals at the US Army Research Laboratory
08:58

Processing of Bulk Nanocrystalline Metals at the US Army Research Laboratory

Published on: March 7, 2018

9.5K

First principles-based design of lightweight high entropy alloys.

Viacheslav Sorkin1, Zhi Gen Yu2, Shuai Chen2,3

  • 1Institute of High Performance Computing (IHPC), Agency for Science, Technology and Research (A*STAR), 1 Fusionopolis Way, #16-16 Connexis, Singapore, 138632, Republic of Singapore. sorkinv@ihpc.a-star.edu.sg.

Scientific Reports
|December 18, 2023
PubMed
Summary

Researchers designed novel lightweight high entropy alloys (HEAs) using computational methods. These new HEAs show improved stability and stiffness compared to traditional aluminum alloys.

More Related Videos

Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting
08:32

Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting

Published on: May 14, 2016

12.5K
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

9.5K

Related Experiment Videos

Last Updated: Jul 8, 2025

Processing of Bulk Nanocrystalline Metals at the US Army Research Laboratory
08:58

Processing of Bulk Nanocrystalline Metals at the US Army Research Laboratory

Published on: March 7, 2018

9.5K
Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting
08:32

Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting

Published on: May 14, 2016

12.5K
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

9.5K

Area of Science:

  • Materials Science
  • Computational Materials Design
  • Alloy Development

Background:

  • Lightweight high entropy alloys (HEAs) are increasingly important for structural applications.
  • Existing lightweight alloys often have limitations in performance or stability.
  • There is a need for advanced materials with superior properties.

Purpose of the Study:

  • To design novel lightweight HEAs with a single solid-solution phase.
  • To identify HEA compositions with optimal combinations of low density, high stability, and excellent mechanical properties.
  • To provide guidance for the experimental synthesis of new lightweight HEAs.

Main Methods:

  • Utilized a first-principles-based high-throughput computational approach.
  • Systematically explored compositional spaces for three quinary HEA families (AlBeMgTiLi, AlBeMgTiSi, AlBeMgTiCu).
  • Applied design criteria including stability, mass density, elastic modulus, specific stiffness, and Pugh's ratio.

Main Results:

  • Identified promising HEA compositions with negative formation energy, low density, and high specific Young's modulus.
  • The most stable composition, Al0.31Be0.15Mg0.14Ti0.05Si0.35, demonstrated superior energetic stability and outperformed 7075 Al alloy.
  • Designed HEAs exhibit enhanced stability, lower density, and higher stiffness compared to current aluminum alloys, albeit with slightly reduced ductility.

Conclusions:

  • The developed computational methodology effectively guides the design of lightweight HEAs.
  • The identified HEA compositions represent promising candidates for next-generation lightweight structural materials.
  • These findings facilitate the experimental realization of advanced, high-performance lightweight alloys.