SEM and AFM analysis of the shear bands in Zr-based BMG after HPT

V. V. Astanin, D. Gunderov, E. Boltynjuk, E. Ubyivovk, A. Churakova, S. Gunderova

Результат исследований: Научные публикации в периодических изданияхстатьярецензирование

2 Цитирования (Scopus)

Аннотация

The surface relief formed by shear bands in bulk metallic glasses (BMG) under high-pressure torsion (HPT) has been investigated by the method of scanning electron microscopy (SEM) and atomic force microscopy (AFM). For this purpose, two halves of disks of the bulk metallic glass were jointed together and processed by HPT. The SEM examination of the internal surfaces of two joint halves of an HPT-processed disk allowed to study the formation and accumulation of shear bands under an increased imposed strain. The maximum density of the shear bands is observed at the edges of the HPT samples and in areas adjacent to the upper anvils. The observed minimum shear band spacing is equal to 0.5 μm after HPT processing for 5 revolutions.
Язык оригиналаанглийский
Номер статьи12019
ЖурналIOP Conference Series: Materials Science and Engineering
Номер выпуска672
Ранняя дата в режиме онлайн25 ноя 2019
СостояниеОпубликовано - дек 2019
СобытиеThe 6th International Symposium «BULK NANOMATERIALS: from fundamentals to innovations. BNM-2019» - Уфа, Российская Федерация
Продолжительность: 25 сен 201927 сен 2019

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