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  • 2005-2009  (2)
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Material
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  • 2005-2009  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Reliability Analysis of Corrosion Fatigue Crack Growth for 2024-T3 Aluminum Alloy (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 44-46 (June 2008), p. 105-110 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Fatigue crack growth rate experiments of center-cracked tension (CCT) specimens of the2024-T3 aluminum alloy under constant-amplitude load in corrosive environment are carried out with3 kinds of loading frequency. The fatigue crack growth rates in 3.5% NaCl solution are obtained byusing seven-point incremental polynomial method. A probabilistic approach is presented for fatiguecrack growth rate in corrosive environment with log-normal random variable model. The reliabilityanalysis of crack propagation is conducted based on the experimental data. The crack exceedanceprobability at given service time and the distribution of the service time at given crack size areobtained by using the reliability analysis approach. The effect of loading frequency on crackpropagation is studied. It is shown that the fatigue crack growth rate is increasing with loadingfrequency decreasing in corrosive environment. The predicted results by the presented method matchthe experimental results very well
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/40/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.44-46.105.pdf
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Study on the Precursory Powder for Bi-2223 Tape (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 546-549 (May 2007), p. 1961-1966 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The Phase formation in the precursory powder, the particle size and the homogenizationphase distribution have been investigated in this paper. Size of the powder particle has been reducedby a ball-milling process. The effects of the ball-milling on the characteristic of the powder have beenstudied by XRD. The modality and distribution of 2212, Ca2CuO3 and CuO in the powder wereobserved by SEM. Results show that the Ca2CuO3 particle ground was about 200nm in size. Theprecursory powder with the non-superconducting phases distributed uniformly in the mixture powderwas obtained for Bi-2223 long tape
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/16/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.546-549.1961.pdf
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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