Kinetics of submicrocrystalline structure formation in a Cu-Cr-Zr alloy during large plastic deformation

Iaroslava Shakhova, Andrey Belyakov, Rustam Kaibyshev

Результат исследований: Глава в книге, отчете, сборнике статейМатериалы для конференциирецензирование

3 Цитирования (Scopus)

Аннотация

The grain refinement and kinetics of submicrocrystalline structure formation in a Cu-0.3%Cr - 0.5%Zr alloy during large plastic deformation were investigated. The fraction of highangle boundaries and the fraction of ultrafine grains were used to estimate the kinetics of grain refinement and submicrocrystalline structure evolution during large plastic deformation. The multidirectional forging (MDF), equal channel angular pressing (ECAP), and high pressure torsion (HPT) were used as methods of large plastic deformation. Comparative analysis showed that the grain refinement process occurred faster during HPT and MDF in comparison with ECAP. The fraction of ultrafine grains achieved almost 1 after 3 HPT turns and after MDF to the total strain of 4; while the one reached only 0.29 after 4 ECAP passes. The modified Johnson-Mehl-Avrami-Kolmogorov equation could be applied to determine the kinetics of grain refinement in copper alloy during large plastic deformation as a function of true strain.

Язык оригиналаАнглийский
Название основной публикацииTHERMEC 2016
РедакторыChristof Sommitsch, Mihail Ionescu, Brajendra Mishra, Brajendra Mishra, Ernst Kozeschnik, T. Chandra
ИздательTrans Tech Publications Ltd
Страницы1749-1754
Число страниц6
ISBN (печатное издание)9783035711295
DOI
СостояниеОпубликовано - 2017
Опубликовано для внешнего пользованияДа
Событие9th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2016 - Graz, Австрия
Продолжительность: 29 мая 20163 июн. 2016

Серия публикаций

НазваниеMaterials Science Forum
Том879
ISSN (печатное издание)0255-5476
ISSN (электронное издание)1662-9752

Конференция

Конференция9th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2016
Страна/TерриторияАвстрия
ГородGraz
Период29/05/163/06/16

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