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Ultrasonic Nanocrystal Surface Modification: Processes, Characterization, Properties, and Applications.

Akhil Kishore1, Merbin John2, Alessandro M Ralls2

  • 1Quest-Global Engineering Services Pvt Ltd., Bengaluru 560103, India.

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Summary
This summary is machine-generated.

Ultrasonic nanocrystal surface modification (UNSM) enhances material properties through severe plastic deformation. This mechanical technique creates gradient nanostructured surfaces, improving performance across various industries.

Keywords:
gradient nanostructured layersmechanical propertiesmicrostructuresevere plastic deformationultrasonic nanocrystal surface modification

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Area of Science:

  • Materials Science
  • Mechanical Engineering
  • Surface Engineering

Background:

  • Ultrasonic nanocrystal surface modification (UNSM) is an emerging mechanical surface severe plastic deformation (S2PD) technique.
  • UNSM offers a unique impact-based approach to modify material surfaces.

Purpose of the Study:

  • To review the current state-of-the-art Ultrasonic Nanocrystal Surface Modification (UNSM) technique.
  • To elucidate the effects of UNSM on various engineering materials and their properties.

Main Methods:

  • Severe Plastic Deformation (SPD) induced by ultrasonic impact.
  • Microstructural analysis of gradient nanostructured surface (GNS) layers.

Main Results:

  • UNSM generates gradient nanostructured surface (GNS) layers with enhanced mechanical properties.
  • Significant improvements in fatigue, wear, and corrosion resistance are observed.
  • UNSM leads to notable grain refinement and microstructure development.

Conclusions:

  • UNSM is a versatile surface modification technique with broad applicability.
  • The process offers substantial benefits for aerospace, automotive, nuclear, biomedical, and chemical industries.