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http://yadda.icm.edu.pl:80/baztech/element/bwmeta1.element.baztech-43868766-0c6a-43cb-87bf-93ac38266ca8

Czasopismo

Archives of Metallurgy and Materials

Tytuł artykułu

Influence of Solid Solution and Aging Treatment Conditions on the Formation of Ultrafine-Grained Structure of CuCr0.6 Alloy Processed by Compression with Oscillatory Torsion

Autorzy Urbańczyk-Gucwa, A.  Brzezińska, A.  Rodak, K. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
Abstrakty
EN The samples of the CuCr0.6 alloy in the solution treated and additionally in aging states were severely plastically deformed by compression with oscillatory torsion (COT) method to produce ultrafine – grained structure. The samples were processed by using process parameters as: frequency of torsion (f = 1.6 Hz), compression speed (v = 0.04 mm/s), angle torsion (α = ±6°), height reduction (Δh = 7 mm). The total effective strain was εft= 40. The microstructure has been analyzed by scanning transmission electron microscope (STEM) Hitachi HD-2300A equipped with a cold field emission gun at an accelerating voltage of 200 kV. The quantitative microstructure investigations as disorientation angles were performed using a FEI INSPECT F scanning electron microscope (SEM) equipped with a cold field emission gun and a electron backscattering diffraction (EBSD) detector. The mechanical properties were determined using MST QTest/10 machine equipped with digital image correlation (DIC). The COT processed alloy previously aged at 500°C per 2h shows high mechanical strength, ultimate tensile strength UTS: 521 MPa and yield tensile strength YS: 488 MP attributed to the high density of coherent precipitates and ultrafine grained structure.
Słowa kluczowe
EN CuCr0.6 alloy   severe plastic deformation   ultrafine-grains   STEM  
Wydawca Polish Academy of Sciences, Committee of Metallurgy, Institute of Metallurgy and Materials Science
Czasopismo Archives of Metallurgy and Materials
Rocznik 2018
Tom Vol. 63, iss. 4
Strony 2061--2066
Opis fizyczny Bibliogr. 25 poz., fot., rys., tab., wykr.
Twórcy
autor Urbańczyk-Gucwa, A.
  • Silesian University of Technology, Faculty of Materials Engineering and Metallurgy, 8 Krasińskiego Str., 40-019 Katowice, Poland, anna.urbanczyk-gucwa @polsl.pl
autor Brzezińska, A.
  • Silesian University of Technology, Faculty of Materials Engineering and Metallurgy, 8 Krasińskiego Str., 40-019 Katowice, Poland
autor Rodak, K.
  • Silesian University of Technology, Faculty of Materials Engineering and Metallurgy, 8 Krasińskiego Str., 40-019 Katowice, Poland
Bibliografia
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Uwagi
EN The work was supported by the National Science Centre of Poland (project No. UMO-2013/09/B/ST8/01695).
Kolekcja BazTech
Identyfikator YADDA bwmeta1.element.baztech-43868766-0c6a-43cb-87bf-93ac38266ca8
Identyfikatory
DOI 10.24425/amm.2018.125143