Theoretical-experimental model for predicting crack growth rate in structural alloys under combined action of fatigue and creep

• Veröffentlicht in: Проблемы прочности
• Datum: 2009
• Hauptverfasser: Pokrovskii, V.V., Sidyachenko, V.G., Ezhov, V.N., Kulishov, S.B.
• Format: Artikel
• Sprache: Englisch
• Veröffentlicht: Інститут проблем міцності ім. Г.С. Писаренко НАН України 2009
• Schlagworte: Научно-технический раздел
• Online Zugang: https://nasplib.isofts.kiev.ua/handle/123456789/48469
• Назва журналу: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Zitieren: Theoretical-experimental model for predicting crack growth rate in structural alloys under combined action of fatigue and creep / V.V. Pokrovskii, V.G. Sidyachenko, V.N. Ezhov, S.B. Kulishov // Проблемы прочности. — 2009. — № 1. — С. 105-112. — Бібліогр.: 19 назв. — англ.

Holding periods of 300 and 3600 s in a trapezoidal load cycle are shown to increase the crack growth rate dozens of times for alloy EP962 and several-fold for alloy EP742 at a temperature of 973 K. It is demonstrated that in the presence of the first portion on the creep crack growth diagram, whereo...