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- Title
Analysis of Hardness Homogeneity in Pure Niobium Subjected to Equal Channel Angular Pressing.
- Authors
dos Santos, Reinan T. F.; Lima, Thamyres M.; Batista, Wilton W.
- Abstract
This study investigated the evolution of hardness homogeneity of pure niobium subjected to equal channel angular pressing (ECAP) through microhardness measurements. Niobium samples were deformed via ECAP die with channel angle of 90° and curvature angle 0° using Bc processing route at room temperature. Deformations occurred up to 8 passes, and hardness was measured at the longitudinal sections in the samples. The ECAP process increased the hardness by 55% between the 1st and 8th passes. The results demonstrate that hardness homogeneity was reached after six passes considering the steady-state of deformation.
- Subjects
NIOBIUM alloys; MICROHARDNESS; DEFORMATIONS (Mechanics); TENSILE strength; TENSILE tests
- Publication
Materials Transactions, 2022, Vol 63, Issue 2, p261
- ISSN
1345-9678
- Publication type
Article
- DOI
10.2320/matertrans.MT-M2021163