$Impact toughness of 12Cr1MoV steel. Part 1 – Influence of temperature on energy and deformation parameters of fracture; Theoretical and Applied Fracture Mechanics; Vol. 83: ICEAF-IV Engineering Against Failure$

Impact toughness of 12Cr1MoV steel. Part 1 – Influence of temperature on energy and deformation parameters of fracture; Theoretical and Applied Fracture Mechanics; Vol. 83: ICEAF-IV Engineering Against Failure

Bibliografiske detaljer
Parent link:	Theoretical and Applied Fracture Mechanics Vol. 83: ICEAF-IV Engineering Against Failure.— 2016.— [P. 105–113]
Institution som forfatter:	Национальный исследовательский Томский политехнический университет Институт физики высоких технологий Кафедра материаловедения в машиностроении
Andre forfattere:	Panin S. V. Sergey Viktorovich, Marushchak P. O. Pavel Orestovich, Vlasov I. V. Ilya Viktorovich, Ovechkin B. B. Boris Borisovich
Summary:	Title screen In the paper, the study of the impact toughness of 12Cr1MoV steel Charpy specimens at the temperature range from 20 °C to 600 °C is presented. It was revealed that the increase of the testing temperature from 20 °C to 375 °C and then to 600 °C causes the impact toughness to decrease by 1.2 and 2.42 times, respectively. The maximum energy of crack propagation during impact loading was observed at T = 375 °C, which is related to the increased resistance to crack propagation (cracking resistance) and sufficient strength (load capacity) of 12Cr1MoV steel. An approach to the quantitative description of impact fracture process was developed that includes the measurement of shear lip size as a quantitative fracture parameter. Scanning electron microscopy (SEM) was used to reveal and justify the reduction of load capacity at increased testing temperature and simultaneous increase of ductility and to describe the rival influence of such factors on the behavior and work of impact fracture. Режим доступа: по договору с организацией-держателем ресурса
Sprog:	engelsk
Udgivet:	2016
Fag:	электронный ресурс труды учёных ТПУ
Online adgang:	http://dx.doi.org/10.1016/j.tafmec.2015.12.008
Format:	Electronisk Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=649087

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