Influence of Notch Shape on Deformation Mechanisms and Energy Parameters of Fracture of 12Cr1MoV Steel under Impact Loading

Influence of Notch Shape on Deformation Mechanisms and Energy Parameters of Fracture of 12Cr1MoV Steel under Impact Loading

書誌詳細
Parent link:	AIP Conference Proceedings Vol. 1783 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016.— 2016.— [020183, 4 p.]
団体著者:	Национальный исследовательский Томский политехнический университет (ТПУ) Институт физики высоких технологий (ИФВТ) Кафедра материаловедения в машиностроении (ММС)
その他の著者:	Panin S. V. Sergey Viktorovich, Vlasov I. V. Ilya Viktorovich, Maruschak P. O., Moiseenko D. D., Berto F., Vinogradov A., Bischak R. T.
要約:	Title screen Impact loading curves and fracture energy of the notched 12Cr1MoV ductile steel specimens are analyzed. The qualitative description and quantitative parameters are obtained for major stages of ductile and brittle fracture depending on the shape of the notch and the stress stiffness ahead. It is shown that a zone with enhanced plasticity is formed in the vicinity of V-, U-, and I-shaped notches at 20°C testing temperature, giving rise to ductile fracture. The stress stiffness at the notch tip increased with testing temperature reduced to -40°C. Using the quantitative description of fracture surfaces, a physical-mechanical scheme of the specimen fracture was suggested for the case of enhanced and localized (constrained) plasticity near the stress concentrator tip. Режим доступа: по договору с организацией-держателем ресурса
言語:	英語
出版事項:	2016
主題:	электронный ресурс труды учёных ТПУ деформационные механизмы энергетические параметры разрушения 12Cr1MoV стали стальные образцы конструкционные материалы динамические нагрузки напряженно-деформированные состояния деформации трещиностойкость сплавы
オンライン･アクセス:	http://dx.doi.org/10.1063/1.4966477
フォーマット:	電子媒体図書の章
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=652761

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