A Pulsed Current Application to the Deformation Processing of Materials

Area of Science:

• Materials Science
• Metallurgy
• Solid Mechanics

Background:

• The electroplastic effect (EPE) involves enhanced plastic deformation of conductive materials under electric current.
• Recent research focuses on EPE in advanced materials like shape-memory alloys and ultrafine-grained/nanostructured alloys.
• Understanding EPE is crucial for developing novel material processing techniques.

Purpose of the Study:

• To review recent studies (last decade) on the electroplastic effect in conductive materials and alloys.
• To analyze various aspects of EPE, including current application methods, deformation behavior, and structural changes.
• To explore modeling approaches and practical applications of the electroplastic effect.

Main Methods:

• Comprehensive literature review of studies on electroplasticity over the past decade.
• Analysis of experimental data on material deformation under electric current.
• Examination of physical and computer modeling techniques for electroplasticity mechanisms.

Main Results:

• Detailed consideration of electric current modes, introduction methods, and deformation behaviors.
• Identification of structural changes and property modifications due to combined deformation and current.
• Demonstration of growing research interest in EPE for advanced materials and practical applications like drawing and microstamping.

Conclusions:

• Microlevel modeling is increasingly vital for predicting material behavior and properties under electroplastic conditions.
• The electroplastic effect offers significant potential for innovative material processing and manufacturing.
• Further research into EPE in novel alloys and advanced microstructural materials is warranted.