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Densification and Conolidation of Powders by Equal Channel Angular Pressing
[chapter]
2007
Materials Science Forum
In this study, bottom-up type powder processing and top-down type SPD (severe plastic deformation) approaches were combined in order to achieve both full density and grain refinement of metallic powders with least grain growth, which is considered as a bottle neck of the bottom-up method that uses the conventional powder metallurgy of compaction and sintering. ECAP (Equal channel angular pressing), one of the most promising method in SPD, was used for the powder consolidation. In the ECAP
doi:10.4028/0-87849-419-7.253
fatcat:3ib7f52qrzarvfb7u6wkducfti