Automated Test Methods for Fatigue Crack Growth and Fracture Toughness Tests on Irradiated Stainless Steels at High Temperature PDF Download
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Author: BAJ Schaap Publisher: ISBN: Category : Data acquisition system Languages : en Pages : 16
Book Description
An automated system for fatigue crack growth and fracture toughness measurements has been developed for irradiated stainless steels tested at temperatures up to 925 K. The system, including a microcomputer, is based on the d-c potential-drop technique for crack extension measurements. Specimens of the compact-tension type are used for the experiments. A description is given of the potential-drop method and the automated data acquisition system. The method of collecting N-a data pairs is given as well as the calculation and analysis of the fatigue crack growth rate (da/dN) and stress-intensity factor (?K). The measurement of load, deflection, and crack extension data to determine the J-versus-?a curves is also discussed.
Author: BAJ Schaap Publisher: ISBN: Category : Data acquisition system Languages : en Pages : 16
Book Description
An automated system for fatigue crack growth and fracture toughness measurements has been developed for irradiated stainless steels tested at temperatures up to 925 K. The system, including a microcomputer, is based on the d-c potential-drop technique for crack extension measurements. Specimens of the compact-tension type are used for the experiments. A description is given of the potential-drop method and the automated data acquisition system. The method of collecting N-a data pairs is given as well as the calculation and analysis of the fatigue crack growth rate (da/dN) and stress-intensity factor (?K). The measurement of load, deflection, and crack extension data to determine the J-versus-?a curves is also discussed.
Author: Arthur A. Braun Publisher: ASTM International ISBN: 080311401X Category : Fracture mechanics Languages : en Pages : 295
Book Description
Provides both specific and general information regarding state-of-the art materials testing using automation technology as a means of: improving the reliability of data; eliminating the need for constant operator supervision; running tests that would be impossible without a computer; and reducing an
Author: MI. De Vries Publisher: ISBN: Category : Crack propagation Languages : en Pages : 17
Book Description
Small compact-tension specimens of Type 316 plate and Type 304 forging have been irradiated in the High Flux Reactor (HFR) at Petten, The Netherlands, up to a fluence level of 2 x 1024 neutrons (n) . m-2 (E > 0.1 MeV) at 573 K. Post-irradiation fatigue crack propagation tests and J-integral fracture toughness tests have been performed at the irradiation temperature. Additional tests were made at the higher temperatures of 723 and 823 K.
Author: BAJ Schaap
Author: BAJ Schaap
Author: W. H. Cullen
Author: E. T. Wessel
Author: Arthur A. Braun
Author: MI. De Vries
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Author: F. A. Garner
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