Abstract
A method of treating a metal billet to change its mechanical and/or physical properties by reducing grain size, the method involving feeding the billet through a first passage and into a second passage inclined to the first passage and deforming the billet by repeatedly loading and unloading it using a reciprocating die at a junction between the first and second passages.
Original language | English |
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Patent number | US8631673 B2 |
Publication status | Published - 21 Jan 2014 |
Keywords
- metals
- plastic deformation
- patent
- metal billet
- grain size
- invention