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Related Concept Videos

Temperature Dependent Deformation01:12

Temperature Dependent Deformation

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 together...
Plastic Deformation in Circular Shafts01:20

Plastic Deformation in Circular Shafts

When materials are subjected to forces that surpass their yield strength, they undergo a process known as plastic deformation. This results in a permanent alteration or strain in their structure. This concept can be specifically applied to circular shafts, where the deformation leads to a change in its shape. The precise evaluation of this plastic deformation requires understanding the stress distribution within the circular shaft, which is achieved by calculating the maximum shearing stress in...
Residual Stresses in Circular Shafts01:10

Residual Stresses in Circular Shafts

In materials that exhibit elastic and plastic behavior, known as elastoplastic materials, residual stresses can accumulate when these materials experience plastic deformation. This deformation arises from either high levels of shearing stress or significant strains. Residual stresses are internal stresses that persist within a material after removing the external force causing deformation. This phenomenon is demonstrated when observing the behavior of a shaft under torque; notably, the shaft's...
Mechanical Characteristics of Steel01:18

Mechanical Characteristics of Steel

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 to...
Stress-Strain Diagram - Ductile Materials01:24

Stress-Strain Diagram - Ductile Materials

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...
Yield Criteria for Ductile Materials under Plane Stress01:25

Yield Criteria for Ductile Materials under Plane Stress

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 the...

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Updated: Jul 16, 2026

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys
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Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Published on: June 27, 2022

Microstructural Evolution and Competing Deformation Mechanisms in Aerospace Titanium Alloys: A Review.

Xin Xie1, Yisong Peng1, Weihe Xu1

  • 1School of Materials Science and Engineering, Shenyang Aerospace University, Shenyang 110136, China.

Materials (Basel, Switzerland)
|July 15, 2026
PubMed
Summary

This review details advances in aerospace titanium alloys, focusing on composition, microstructure, and properties. It proposes a framework for designing alloys with enhanced performance for aerospace applications.

Keywords:
mechanism competitionmicrostructure controlslip-twinning-transformation interplaytitanium alloysω phase

Related Experiment Videos

Last Updated: Jul 16, 2026

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys
12:18

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Published on: June 27, 2022

Area of Science:

  • Materials Science
  • Metallurgy
  • Aerospace Engineering

Background:

  • Aerospace components demand materials with high specific strength, fatigue resistance, and environmental adaptability.
  • Titanium alloys are crucial for aerospace due to their exceptional mechanical properties, enhanced by heat treatment.
  • Understanding microstructure-property relationships is key to optimizing titanium alloy performance.

Purpose of the Study:

  • To systematically review recent advances in aerospace titanium alloys.
  • To highlight the effects of alloying elements and microstructures on alloy properties.
  • To propose a framework for predictive alloy design.

Main Methods:

  • Systematic literature review of compositional design and microstructural evolution.
  • Analysis of microstructure-property relationships in aerospace titanium alloys.
  • Assessment of deformation and phase-transformation mechanisms.

Main Results:

  • Alloying elements influence phase stability, dislocation behavior, and transformation pathways.
  • Lamellar, equiaxed, and bimodal microstructures regulate deformation and damage.
  • Interactions among slip, twinning, and phase transformations are critical.
  • Challenges remain in characterizing multi-mechanism coupling and heterogeneity.

Conclusions:

  • A high-precision digital composition-microstructure-property mapping framework is proposed.
  • This framework facilitates predictive and service-oriented alloy design for aerospace.
  • Further research is needed to quantitatively characterize complex deformation mechanisms.