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Homogeneity of ultrafine-grained copper deformed by high-pressure torsion characterized by positron annihilation and microhardness

✍ Scribed by J. Čížek; O. Melikhova; M. Janeček; O. Srba; Z. Barnovská; I. Procházka; S. Dobatkin


Book ID
113899003
Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
383 KB
Volume
65
Category
Article
ISSN
1359-6462

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Microstructures and microhardness of an
✍ Zenji Horita; Terence G. Langdon 📂 Article 📅 2005 🏛 Elsevier Science 🌐 English ⚖ 230 KB

Experiments were conducted on an Al-3 wt.% Mg-0.2 wt.% Sc alloy and pure Cu to evaluate the effect of high-pressure torsion (HPT). The results show that very substantial grain refinement is achieved in both materials with as-strained grain sizes of ∼150 and ∼140 nm, respectively. Microhardness measu