Phase transitions during high pressure torsion of Cu-Co alloys

被引：76

作者：

Straumal, B. B. ^{[1
,2
,3
,4
]}

Kilmametov, A. R. ^{[3
,5
]}

Ivanisenko, Y. ^{[3
]}

Kurmanaeva, L. ^{[3
,6
]}

Baretzky, B. ^{[3
]}

Kucheev, Y. O. ^{[1
,2
,3
]}

Zieba, P. ^{[7
]}

Korneva, A. ^{[7
]}

Molodov, D. A. ^{[8
]}

机构：

[1] Russian Acad Sci, Inst Solid State Phys, Moscow 142432, Russia

[2] Natl Univ Sci & Technol MISIS, Lab Hybrid Nanomat, Moscow 119049, Russia

[3] Karlsruher Inst Technol, Inst Nanotechnol, D-76344 Eggenstein Leopoldshafen, Germany

[4] State Univ, Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Russia

[5] Ufa State Aviat Tech Univ, Inst Phys Adv Mat, Ufa 450000, Russia

[6] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA

[7] Polish Acad Sci, Inst Met & Mat Sci, PL-30059 Krakow, Poland

[8] Rhein Westfal TH Aachen, Inst Phys Met & Met Phys, D-52056 Aachen, Germany

来源：

MATERIALS LETTERS | 2014年 / 118卷

基金：

俄罗斯基础研究基金会;

关键词：

Severe plastic deformation; Precipitation; Dissolution; Steady-state; Phase transformations; GRAIN-BOUNDARY MIGRATION; PLASTIC-DEFORMATION; TILT BOUNDARY; DIFFUSION; COPPER; NI; TRANSFORMATIONS; NANOSTRUCTURE; SEGREGATION; MECHANISM;

D O I：

10.1016/j.matlet.2013.12.042

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

High-pressure torsion of Cu-4.9 wt% Co alloy has been studied, with Co fully dissolved in the Cu matrix and fully precipitated from the matrix. A steady-state was reached in both samples after 1-2 anvil rotations. The solid solution in the first sample partly decomposed. The Co precipitates in the second sample partly dissolved in the matrix. In both cases the Co precipitates surrounded by the Cu-based solid solution with about 2.5 wt% Co were formed. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：111 / 114

页数：4

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