A Review of Fatigue Crack Growth of Pressure Vessel and Piping Steels in High-temperature, Pressurized Reactor-grade Water PDF Download
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Author: W. H. Cullen
Publisher:
ISBN:
Category : Fractography
Languages : en
Pages : 134
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Book Description
Fatigue crack growth data sets, for pressure vessel and piping steels, in reactor-grade water environment have appeared in various reports and publications since about 1972. All of the results which have been published from 1972 through 1979 have been plotted and are presented in this report. Beginning with a discussion of the need for these data, and an explanation of the laboratory facilities which are required for this research, this report goes on to describe the overall trends which have evolved through consideration of the data sets and the conditions under which they were generated. A model for hydrogen assisted fatigue crack growth is described and applied to the pressurized water reactor type of environment. A complete listing of references is included in the report. (Author).
Author: W. H. Cullen
Publisher:
ISBN:
Category : Fractography
Languages : en
Pages : 134
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Book Description
Fatigue crack growth data sets, for pressure vessel and piping steels, in reactor-grade water environment have appeared in various reports and publications since about 1972. All of the results which have been published from 1972 through 1979 have been plotted and are presented in this report. Beginning with a discussion of the need for these data, and an explanation of the laboratory facilities which are required for this research, this report goes on to describe the overall trends which have evolved through consideration of the data sets and the conditions under which they were generated. A model for hydrogen assisted fatigue crack growth is described and applied to the pressurized water reactor type of environment. A complete listing of references is included in the report. (Author).
![Proceedings of the U.S. Nuclear Regulatory Commission Twelfth Water Reactor Safety Research Information Meeting, Held at National Bureau of Standards, Gaithersburg, Maryland, October 22-26, 1983 [i.e. 1984] PDF](https://books.google.com/books/content/images/frontcover/fwozB6QgnBgC?fife=w80-h100)
Author:
Publisher:
ISBN:
Category : Nuclear reactors
Languages : en
Pages : 400
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1094
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1090
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Author: W. Barry Lisagor
Publisher: ASTM International
ISBN: 0803112769
Category : Alloys
Languages : en
Pages : 540
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Book Description
Papers included topics of phenomena, basic mechanisms, modeling, test methodologies, materials performance, engineering applications and service experience and failures and reflects the current emphasis with regard to material/environment systems.
Author: W. H. Cullen
Publisher:
ISBN:
Category : Light water reactors
Languages : en
Pages : 80
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Author: W. H Cullen (Jr)
Publisher:
ISBN:
Category :
Languages : en
Pages : 58
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Fatigue crack growth tests of A508-2 pressure vessel steel have been conducted at two test temperatures (93 degrees C and 288 degrees C) using a variety of constant amplitude waveforms. The load ratios were either 0.1 or 0.125, and the water chemistry was carefully monitored and controlled so as to simulate the nominal pressurized water reactor chemistry. The test procedures are described, and an examination of all the data indicates that the results fall into one of two rather clearly defined categories. One band of data, termed 'low', lies close to or essentially on, the ASME Section XI Code air environment default line. The other band of data, termed 'high', resides approximately midway between the ASME Sec. XI air and water environment default lines. The two bands of data are the result of certain combinations of the waveform and temperature variables listed above, and are determined by the following rules: (1) a ramp time in excess of one second is needed to obtain the high crack growth rate; and (2) the application of a hold time, together with a high temperature, serves to depress a normally high crack growth rate test (i.e. one with a long ramp time) and force it into the low category. A hydrogen embrittlement model is used as a basis for the explanation of this behavior. During the longer ramp times (approximately one second) hydrogen, formed by aqueous hydrolysis, diffuses into the plastic zone, resulting in local embrittlement.
Author: C. Amzallag
Publisher: ASTM International
ISBN: 9780803107137
Category : Technology & Engineering
Languages : en
Pages : 674
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Author: T. W. Crooker
Publisher: ASTM International
ISBN: 9780803102453
Category : Science
Languages : en
Pages : 552
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Author:
Publisher: ASTM International
ISBN:
Category :
Languages : en
Pages : 539
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