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  • 1
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The variation of plane strain fracture toughness and fatigue crack growth rates with sulphide inclusion content has been examined for four different sulphur levels in a 12 wt% Cr stainless steel. Charpy impact tests have also been conducted and the experimental results are correlated with the volume fraction of inclusions and the inter-inclusion spacing. The availability of the experimental results for the case of steam turbine blading is discussed with a hypothetical example problem.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 27 (1992), S. 3192-3196 
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Small addition of titanium and boron to welding consumables improves drastically the toughness of welded structures. To investigate the behaviour of titanium and boron on an atomic scale, an atom probe field-ion microscopic study was undertaken on two grades of welds; one with only titanium and one with titanium and boron. It was observed that boron forms pairs with carbon and small clusters with oxygen and carbon. The “bulk” composition in weight per cent was calculated for about 20 000 ions and showed considerable difference from the results obtained from other analytical techniques.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 31 (1980), S. 688-693 
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Einfluß der Temperatur auf den KIscc-Wert von Werkstoffen für DampfturbinenschaufelnMit Hilfe von druckmechanischen Methoden wird versucht, den kritischen Spannungsintensitätsfaktor für die Spannungsrißkorrosion eines 1,5 Ni—Cr—Mo Stahls bei 50 bis 100° C zu ermitteln. Der KIscc-Wert nimmt mit steigender Temperatur des angreifenden Mediums ab; die mikroskopischen und makroskopischen Besonderheiten der Rißausbreitung unter die Spannungsrißkorrosion fördernden Bedingungen werden erörtert.
    Notes: A fracture mechanics approach has been used to evaluate the critical stress intensity factor in the corrosive environment (KIscc) of a 1.5 Ni—Cr—Mo steel in the temperature range of 50 to 100° C. The KIscc value has been found to decrease with increasing temperature of the corrodent. The microscopic and macroscopic features of crack propagation under stress corrosion conditions have been discussed.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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