A METHOD AND DEVICE FOR GENERATING DEFORMATION TWINNING IN A METAL

摘要

The present disclosure relates to: a method of generating twin lamellas in a metal body (1), comprising the steps of: - introducing said metal body (1) into a chamber (2); - filling said chamber (2) with a cooling medium having a temperature that will enable generation of twin lamellas in the metal body (1) upon deformation thereof; and - deforming said metal body (1) while the latter is surrounded by said cooling medium; wherein the cooling medium surrounding said metal body (1) upon deformation of the latter is in a gaseous state. The present disclosure also relates to: a device for generating twin lamellas in a metal body (1), said device comprising: - a chamber (2); - a chamber (2) inlet connected to a cooling medium source (4); and - a deformation device (5) for deforming said metal body (1); said deformation device (5) being positioned inside said chamber (2); wherein the deformation device (5) is positioned so that the metal body (1) will be surrounded by said cooling medium in a gaseous state while being deformed by said deformation device (5).