On the interrelation of the regularities of long-term fracture established in testing of smooth and notched specimens

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Abstract

It is shown that the experience of processing the large amounts of experimental data on the long-term strength of heat-resistant steels and alloys using the method of base diagrams, which were obtained from testing of smooth specimens, can be used effectively for proper processing of test results for notched specimens.

About the authors

1 1

G.S. Pisarenko Institute for Problems of Strength, of the National Academy of Sciences of Ukraine, Kyiv

Author for correspondence.
Email: sadohina@ssau.ru
Russian Federation

1 1

G.S. Pisarenko Institute for Problems of Strength, of the National Academy of Sciences of Ukraine, Kyiv

Email: sadohina@ssau.ru
Russian Federation

1 1

G.S. Pisarenko Institute for Problems of Strength, of the National Academy of Sciences of Ukraine, Kyiv

Email: sadohina@ssau.ru
Russian Federation

References

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  2. Писаренко Г.С., Кривенюк В.В. Новый подход к прогнозированию длительной прочности металлов // Докл. АН СССР. Механика. — 1990. — 312, № 3. - С. 558 — 562.
  3. Data sheets on the elevated-temperature properties of 18Cr-10Ni-Ti stainless steel // NRIM. Tokyo. 1987. N5B. 32 p.
  4. Diehl Herman, Granacher Jülich und Joachim. Ergebnisse aus Zeitstandversuchen bei 500 °C mit einer Beanspurchungsdauer bis über 300000 h // Archiv fur das Eisenhüttenwesen, 1978. -N 7. -P. 299-303.
  5. Хизумэ, Такэда, Ёкота и др. Новая сталь типа 12% Cr для роторов турбин применительно к температуре пара 593° С // Теоретические основы инженерных расчетов. Сер. Д -1988. -№ 3 -С. 55-67.
  6. Devis D.C. An Approach to Predicting Long-Term Toughness, Strength, and Ductility of a Cr-Mo-V Steel Alloy Using Shrt-Term Tests // J. of Testing and Evaluation, JTEVA. - 1990. -Vol. 18. -N 4. -P. 286-291.
  7. Gayter H. and Nutting J. “Influence of structure upon the notched creep strength of a nickel-base alloy” Creep Strengths in Steel and High-Temperature Alloys, 1972, pp. 189-195.

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