Equal Channel Angular Extrusion of Polymers: Structural Changes and Their Effects on Properties

Abstract

The aim of the article is to discuss the characteristics of structural transformations occurring under ultra-high plastic deformation in polymeric materials of various types: semi-crystalline and amorphous polymers, polymer blends and composites, polymer powders, and their influence on properties. Methods of obtaining ultra-high plastic deformations such as the equal channel angular extrusion (ECAE) process and its modified version -the equal channel multi-angular extrusion (ECMAE) process -are considered.

Severe Plastic Deformation of Light Metals (Magnesium, Aluminum and Titanium) and Alloys by High-Pressure Torsion: Review of Fundamentals and Mechanical/Functional Properties

“…13,14) Such materials are sometimes referred to as superfunctional materials due to their superior properties. 15,16) For the most recent progress in the field of SPD, the readers are referred to a 2023 special issue of Materials Transactions, 17) which covered various aspects like processing methods, [18][19][20][21][22][23][24][25][26] structural/microstructural features, [27][28][29][30][31][32][33] mechanical/functional properties, nanostructured metallic and non-metallic materials [56][57][58][59][60][61][62][63][64][65][66][67][68] and heterostructured materials. [69][70][71][72] Among various SPD methods, ECAP and ARB have the potential for commercialization.…”