Research of Stress Field Distribution in FCC-Single Crystal Samples in Compression

Research of Stress Field Distribution in FCC-Single Crystal Samples in Compression

Dettagli Bibliografici
Parent link:	Applied Mechanics and Materials: Scientific Journal Vol. 682 : Innovation Technology and Economics in Engineering.— 2014.— [P. 485-490]
Autore principale:	Alferova (Alfyorova) E. A. Ekaterina Aleksandrovna
Ente Autore:	Национальный исследовательский Томский политехнический университет (ТПУ) Юргинский технологический институт (филиал) (ЮТИ) Кафедра технологии машиностроения (ТМС)
Altri autori:	Lychagin D. V. Dmitry Vasilievich, Chernyakov A.
Riassunto:	Title screen Theoretical distribution of a stress field in a sample in the form of a rectangular parallelepiped in compression for an isotropic material was calculated using the method of finite elements. Calculations showed that the highest stress is observed at the top and front edges of a sample. There are areas of the tension stress on vertical edges in the area of sample tops. Shift anisotropy was determined by imposing of the distributed tension field in a sample on FCC crystal of a certain crystallographic orientation.Change of shift symmetry in single crystals for different crystallographic orientations of a compression axis was considered. It was established that a shift fragmentation in the parallel octahedral planes in the conditions of plastic deformation determines the process of low-symmetric shift deformation and maintenance of higher single crystal pseudo-symmetry. Connection of the obtained results and test data on heterogeneity of plastic deformation of nickel and aluminum single crystals is discussed. Режим доступа: по договору с организацией-держателем ресурса
Pubblicazione:	2014
Serie:	Material Science, Machining Technologies and Equipments in Mechanical Engineering
Soggetti:	труды учёных ТПУ электронный ресурс метод конечных элементов монокристаллы сжатие
Accesso online:	http://dx.doi.org/10.4028/www.scientific.net/AMM.682.485
Natura:	Elettronico Capitolo di libro
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=641555

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