Positron Annihilation Study of Vacancy-Type Defects in Al Single Crystal Foils with the Tweed Structures Across the Surface; AIP Conference Proceedings; Vol. 1683 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures

Bibliografische gegevens
Parent link:AIP Conference Proceedings
Vol. 1683 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures.— 2015.— [020116, 5 p.]
Coauteur: Национальный исследовательский Томский политехнический университет (ТПУ) Физико-технический институт (ФТИ) Кафедра общей физики (ОФ)
Andere auteurs: Kuznetsov P. V. Pavel Viktorovich, Cizek Ja. Jacub, Hruska P. Petr, Anwad W. Wolfgang, Bordulev Yu. S. Yuri Sergeevich, Lider A. M. Andrey Markovich, Laptev R. S. Roman Sergeevich, Mironov Yu. Yuri
Samenvatting:Title screen
The vacancy-type defects in the aluminum single crystal foils after a series of the cyclic tensions were studied using positron annihilation. Two components were identified in the positron lifetime spectra associated with the annihilation of free positrons and positrons trapped by dislocations. With increasing number of cycles the dislocation density firstly increases and reaches a maximum value at N=10 000 cycles but then it gradually decreases and at N=70 000 cycles falls down to the level typical for the virgin samples. The direct evidence on the formation of a two-phase system "defective near-surface layer/base Al crystal" in aluminum foils at cyclic tension was obtained using a positron beam with the variable energy.
Режим доступа: по договору с организацией-держателем ресурса
Taal:Engels
Gepubliceerd in: 2015
Onderwerpen:
Online toegang:http://dx.doi.org/10.1063/1.4932806
Formaat: Elektronisch Hoofdstuk
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=644953

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