Microstructure Stability and Mechanical Properties of Ultrafine-Grained Zirconium Alloy under Prolonged Thermal Exposure; AIP Conference Proceedings; Vol. 1783 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016

Microstructure Stability and Mechanical Properties of Ultrafine-Grained Zirconium Alloy under Prolonged Thermal Exposure; AIP Conference Proceedings; Vol. 1783 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016

Opis bibliograficzny
Parent link:	AIP Conference Proceedings Vol. 1783 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016.— 2016.— [020205, 4 p.]
Korporacja:	Национальный исследовательский Томский политехнический университет (ТПУ) Физико-технический институт (ФТИ) Кафедра экспериментальной физики (ЭФ)
Kolejni autorzy:	Sharkeev Yu. P. Yury Petrovich, Eroshenko A. Yu. Anna, Uvarkin P. V. Pavel, Tolmachev A. I. Alexey, Akhmetova N. K. Nesibeli
Streszczenie:	Title screen The paper describes the experimental results in microstructure thermal stability and mechanical properties of ultrafine-grained zirconium alloy with 1 mass % Nb (Zr-1 mass %Nb) under prolonged thermal exposure. Ultrafinegrained zirconium alloy is produced by severe plastic deformation (SPD) method. It was proved that SPD method including multiple аbс-pressing and multi-pass rolling, as well as further pre-recrystallizing annealing enhances the formation of ultrafine-grained structures with mean element size of 0.2 [mu]m. Thermostability time interval of ultrafinegrained structure and the mechanical properties (in case of microhardness) under prolonged thermal exposure (up to 360 hours) for zirconium alloy was experimentally determined. It was proved that ultrafine-grained structure is stable at 400°С within 10 hours whilst keeping the microhardness level attained after SPD. In cases of continuous annealing time from 24 to 360 hours recrystallization processes develop intensively, followed by the decrease in microhardness and intensive growth of structure elements within the alloy. Режим доступа: по договору с организацией-держателем ресурса
Język:	angielski
Wydane:	2016
Hasła przedmiotowe:	электронный ресурс труды учёных ТПУ циркониевые сплавы пластические деформации ультрамелкозернистые структуры микротвердость термическая стабильность zirconium alloy severe plastic deformation ultrafine-grained structure microhardness thermal stability
Dostęp online:	http://dx.doi.org/10.1063/1.4966499
Format:	MixedMaterials Elektroniczne Rozdział
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=652796

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