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Titolo:
High-resolution and conventional electron microscopy study of a Sigma=3, [101]{121} twin grain boundary in molybdenum
Autore:
Vystavel, T; Penisson, JM; Gemperle, A;
Indirizzi:
Ctr Energie Atom Grenoble, Dept Rech Fondamentale Mat Condensee, Serv PhysMat & Microstruct, F-38054 Grenoble 9, France Ctr Energie Atom Grenoble Grenoble France 9 , F-38054 Grenoble 9, France Acad Sci Czech Republ, Inst Phys, Prague 18221 8, Czech Republic Acad Sci Czech Republ Prague Czech Republic 18221 8 21 8, Czech Republic
Titolo Testata:
PHILOSOPHICAL MAGAZINE A-PHYSICS OF CONDENSED MATTER STRUCTURE DEFECTS ANDMECHANICAL PROPERTIES
fascicolo: 2, volume: 81, anno: 2001,
pagine: 417 - 429
SICI:
1364-2804(200102)81:2<417:HACEMS>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
TRANSITION-METALS; ATOMIC-STRUCTURE; DISLOCATIONS; SIMULATION; SCIENCE; FORCES; HREM;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
32
Recensione:
Indirizzi per estratti:
Indirizzo: Vystavel, T Univ Groningen, Dept Appl Phys, Nijenborgh 4, NL-9747 AG Groningen, Netherlands Univ Groningen Nijenborgh 4 Groningen Netherlands NL-9747 AG
Citazione:
T. Vystavel et al., "High-resolution and conventional electron microscopy study of a Sigma=3, [101]{121} twin grain boundary in molybdenum", PHIL MAG A, 81(2), 2001, pp. 417-429

Abstract

Complete structural analysis of a Mo bicrystal containing a Sigma =3, [101](1 (2) over bar1)(A) grain boundary (GB) was achieved by means of transmission electron microscopy from the microscopic to the nanoscopic level. Secondary GB dislocations compensating a small deviation from the exact Sigma =3 concidence were observed and their character was determined. Rigid-body displacements (RBDs) were determined directly from high-resolution electron microscopy images using samples with surface normal parallel and perpendicular to the tilt axis. Measured values of RBDs are compared with recent theoretical calculations.

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Documento generato il 01/12/20 alle ore 22:56:03