Positron annihilation study of vacancy-type defects in Al single crystal foils with the tweed structures across the surface

Pavel Kuznetsov, Jacub Cizek, Petr Hruska, Wolfgang Anwad, Yuriy Sergeevich Bordulev, Andrei Lider, Roman Laptev, Yuri Mironov

Результат исследований: Материалы для книги/типы отчетовМатериалы для конференции

3 Цитирования (Scopus)

Выдержка

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.

Язык оригиналаАнглийский
Название основной публикацииAdvanced Materials with Hierarchical Structure for New Technologies and Reliable Structures
ИздательAmerican Institute of Physics Inc.
Том1683
ISBN (электронное издание)9780735413306
DOI
СостояниеОпубликовано - 27 окт 2015
СобытиеInternational Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2015 - Tomsk, Российская Федерация
Продолжительность: 21 сен 201525 сен 2015

Конференция

КонференцияInternational Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2015
СтранаРоссийская Федерация
ГородTomsk
Период21.9.1525.9.15

Отпечаток

positron annihilation
foils
positrons
single crystals
defects
cycles
aluminum
binary systems (materials)
surface layers
life (durability)
crystals
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Цитировать

Kuznetsov, P., Cizek, J., Hruska, P., Anwad, W., Bordulev, Y. S., Lider, A., ... Mironov, Y. (2015). Positron annihilation study of vacancy-type defects in Al single crystal foils with the tweed structures across the surface. В Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures (Том 1683). [020116] American Institute of Physics Inc.. https://doi.org/10.1063/1.4932806

Positron annihilation study of vacancy-type defects in Al single crystal foils with the tweed structures across the surface. / Kuznetsov, Pavel; Cizek, Jacub; Hruska, Petr; Anwad, Wolfgang; Bordulev, Yuriy Sergeevich; Lider, Andrei; Laptev, Roman; Mironov, Yuri.

Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. Том 1683 American Institute of Physics Inc., 2015. 020116.

Результат исследований: Материалы для книги/типы отчетовМатериалы для конференции

Kuznetsov, P, Cizek, J, Hruska, P, Anwad, W, Bordulev, YS, Lider, A, Laptev, R & Mironov, Y 2015, Positron annihilation study of vacancy-type defects in Al single crystal foils with the tweed structures across the surface. в Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. том. 1683, 020116, American Institute of Physics Inc., Tomsk, Российская Федерация, 21.9.15. https://doi.org/10.1063/1.4932806
Kuznetsov P, Cizek J, Hruska P, Anwad W, Bordulev YS, Lider A и соавт. Positron annihilation study of vacancy-type defects in Al single crystal foils with the tweed structures across the surface. В Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. Том 1683. American Institute of Physics Inc. 2015. 020116 https://doi.org/10.1063/1.4932806
Kuznetsov, Pavel ; Cizek, Jacub ; Hruska, Petr ; Anwad, Wolfgang ; Bordulev, Yuriy Sergeevich ; Lider, Andrei ; Laptev, Roman ; Mironov, Yuri. / Positron annihilation study of vacancy-type defects in Al single crystal foils with the tweed structures across the surface. Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. Том 1683 American Institute of Physics Inc., 2015.
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AU - Bordulev, Yuriy Sergeevich

AU - Lider, Andrei

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AB - 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.

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