Octahedral slip in nickel single crystals induced by scratch testing

doi:10.22226/2410-3535-2018-4-415-418

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DOI Доступ к ресурсу на сайте издателя			10.22226/2410-3535-2018-4-415-418

#монокристаллы никеля

#кристаллографическая ориентация

#деформационный рельеф

#скретч тестирование

Title: Octahedral slip in nickel single crystals induced by scratch testing
Creator: Alfyorova, Ekaterina A.
|
Lychagin, Dmitry V.
|
Filippov, Andrey V.
Date: 2018
DOI: 10.22226/2410-3535-2018-4-415-418
Description: Investigation of the effect of crystallographic orientation on mechanical properties, behavior under loading, or deformation relief of single crystals is topical. One of the methods that make it possible to achieve unambiguous mutual orientation of the material structure and the applied load is scratch testing. This research is aimed at establishing the features of the deformation relief formation under various crystallographic conditions (orientation of the plane and scratch direction). The paper presents the experimental results on scratch testing on single crystals of nickel. The face of a single crystal (010) and two scratch directions [001], [–101] were investigated. The scratch testing parameters at which slip begins on the {111} planes have been determined. It is shown that the slip is activated most easily in the systems parallel to the direction of the indenter movement and in the systems oriented thereto at an angle of 45°. Three stages are identified on the scratch friction force vs normal load (F-N curve) and the correlation of the stages with the beginning of the shear traces formation is shown. The parameters of the transition to the third stage of the F-N curve and the magnitude of the friction force for scratch testing depend on the crystallographic orientation direction of the indenter movement

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collection(s): Геолого-географический факультет
Identifier: смотреть в электронном каталоге НБ ТГУ
Type: статьи в журналах
Source: Письма о материалах. 2018. Т. 8, № 4. С. 415-418
Language: eng

Created: 02-07-2019

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Геолого-географический факультет Octahedral slip in nickel single crystals induced by scratch testing