Engineering Calculation of Fracture Toughness of Materials with Chevron-Notched Specimens; AIP Conference Proceedings; Vol. 1683 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures

Engineering Calculation of Fracture Toughness of Materials with Chevron-Notched Specimens; AIP Conference Proceedings; Vol. 1683 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures

Detalles Bibliográficos
Parent link:	AIP Conference Proceedings Vol. 1683 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures.— 2015.— [020039, 4 p.]
Autor Corporativo:	Национальный исследовательский Томский политехнический университет (ТПУ) Институт физики высоких технологий (ИФВТ) Кафедра материаловедения в машиностроении (ММС)
Otros Autores:	Deryugin Ye. Yevgeny, Panin V. E. Viktor Evgenyevich, Suvorov B. Boris, Kibitkin V. Vladimir, Antipina N. A. Nataljya Alekseevna
Sumario:	Title screen A new method of crack resistance of metal materials is given for small-sized chevron-notched specimens. Specific fracture energy (SFE) is offered to be the main characteristic of fracture toughness. A relation for notch edges opening [liambda][e] versus the applied external force, crack length and chevron angle was found theoretically. It makes it possible to evaluate variations of compliance of a specimen in the process of crack spreading without the “loading-unloading” regime. Unlike linear fracture mechanics, this technique does not require special conditions on the size of the plastic zone in the vicinity of the crack tip. It is shown that the measured displacement of the notch edges opening [liambda] contains the term [liambda][p], which relates to some plastic deformation of a specimen and does not depend on the crack growth. In general, [liambda]=[liambda][e]+[liambda][p]. Режим доступа: по договору с организацией-держателем ресурса
Lenguaje:	inglés
Publicado:	2015
Materias:	электронный ресурс труды учёных ТПУ инженерные расчеты трещиностойкость материалы разрушения пластическая деформация
Acceso en línea:	http://dx.doi.org/10.1063/1.4932729
Formato:	Electrónico Capítulo de libro
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=644878

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