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Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A study of the high-temperature strength and crack resistance of the metal of the body of stop valve from high-chromium steel 15Kh11MFBL after long-term operation
Abstract The applicability of the rapid method for determining the ultimate long-term strength, endurance, and crack resistance of cylindrical specimens with three sharp notches, which has been developed by V. I. Gladshtein for pearlitic steels, to chromium steel 15Kh11MFBL is considered. It is shown that the results of evaluation of high-temperature strength by the standard method and with the use of notched specimens supplement each other. Prediction of the time before failure of smooth specimens from notched specimens makes it possible to perform the evaluation for 100,000–300,000 h, which is impossible by direct testing at operating temperatures.
A study of the high-temperature strength and crack resistance of the metal of the body of stop valve from high-chromium steel 15Kh11MFBL after long-term operation
Abstract The applicability of the rapid method for determining the ultimate long-term strength, endurance, and crack resistance of cylindrical specimens with three sharp notches, which has been developed by V. I. Gladshtein for pearlitic steels, to chromium steel 15Kh11MFBL is considered. It is shown that the results of evaluation of high-temperature strength by the standard method and with the use of notched specimens supplement each other. Prediction of the time before failure of smooth specimens from notched specimens makes it possible to perform the evaluation for 100,000–300,000 h, which is impossible by direct testing at operating temperatures.
A study of the high-temperature strength and crack resistance of the metal of the body of stop valve from high-chromium steel 15Kh11MFBL after long-term operation
Gladshtein, V. I. (Autor:in) / Pchelintsev, A. V. (Autor:in)
2005
Aufsatz (Zeitschrift)
Englisch
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