Article | REF: M3045 V1

ECAP Technique Theoretical and applicative aspects

Authors: Fayçal HADJ-LARBI, Baya ALILI, Djamel BRADAI, Anne-Laure HELBERT, Thierry BAUDIN

Publication date: September 10, 2018, Review date: November 25, 2020

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2. Introducing the ECAP technique

Historically, ECAP was invented by Vladimir Segal and his collaborators in the 1970s in Minsk, in the former Soviet Union, and described by Segal himself in 1981 . Instead of ECAP, some authors use the term ECAE, where the letter "E" stands for Extrusion. Four possible translations of ECAP are used: (i) equal-area angled extrusion, (ii) deviated channel deformation, (iii) angled channel extrusion and (iv) angled channel extrusion.

2.1 Method principle

The ECAP technique is based on confined shear deformation....

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