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  • 1
    Electronic Resource
    Electronic Resource
    Electrochemical Curves for Detection of Sulphide Inclusions in Alloy 800 (1986)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 8 (Jan. 1986), p. 563-574 
    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
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/21/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.8.563.pdf
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  • 2
    Electronic Resource
    Electronic Resource
    Electron beam cladding and alloying of AISI 316 on plain carbon steel: microstructure and electrochemical corrosion behaviour
    Amsterdam : Elsevier
    Surface & Coatings Technology 46 (1991), S. 317-329 
    Details
    ISSN: 0257-8972
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0257-8972(91)90174-U
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  • 3
    Electronic Resource
    Electronic Resource
    Various aspects of the air oxidation behaviour of a Ti6Al4V alloy at temperatures in the range 600–700 °C (1994)
    Springer
    Journal of materials science 29 (1994), S. 714-720 
    Details
    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 A study on the air oxidation behaviour of a commercially pure Ti6Al4V alloy between 600 and 700 °C is reported, based on determination of the kinetic curves, microhardness profiles in the metal beneath the scale, and examination of morphology and composition of the scales. The oxidation kinetics shows a gradual transformation dependent on both time and temperature from a diffusive to a nearly linear rate law. It has been observed that such transformation may be associated with the acceleration of oxide scale growth. This phenomenon is accompanied by a parallel change of the oxide morphology, which is essentially manifested with the onset of a duplex-type scale starting from 650 °C. Aluminium is found to pile up near the external surface of the oxide scales, although the presence of a continuous film of alumina may be excluded under any circumstances. Finally, the effect of aluminium and vanadium is beneficial in reducing appreciably the amount of oxygen dissolved in the surface metal layer, compared with unalloyed titanium.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00445984
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  • 4
    Electronic Resource
    Electronic Resource
    Intergranular corrosion of alloy 800 by the electrochemical potentiokinetic reactivation method (1981)
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 32 (1981), S. 332-337 
    Details
    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: Untersuchung der interkristallinen Korrosion von Alloy 800 mit Hilfe der elektrochemischen potentiokinetischen ReaktivierungsmethodeDie elektrochemische potentiokinetische Reaktivierungsmethode wurde benutzt, um das Ausmaß der interkristallinen Korrosion von Alloy 800 (unterschiedliche Gehalte an Ti+Al, Wärmebehandlung bei 500-650°C, Wärmebehandlungsdauer bis 500 Stunden) quantitativ zu ermitteln. Die Ergebnisse wurden mit den klassischen Rollason Kurven verglichen, die mit dem Strauß-Test ermittelt wurden; dabei ergab sich befriedigende Übereinstimmung.Um die geringfügigen Unterschiede zwischen den nach beiden Methoden erhaltenen Ergebnissen zu erklären, wird die Morphologie des Passivierungsfilms herangezogen.
    Notes: The “Electrochemical Potentiokinetic Reactivation” method has been employed to quantify the degree of intergranular corrosion of Alloy 800, with different Ti + Al content, aged in the range 500-650°C for times up to 5000 hours. The results were compared with the classical Rollason's curves obtained by means of the Strauss' test and a satisfactory agreement was found.An explanation of the slight differences between both methods has been proposed on the basis of the passivity film morphology.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/maco.19810320804
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  • 5
    Electronic Resource
    Electronic Resource
    Spannungsrißkorrosion von Rohren aus INCONEL 600: Einfluß von Wärmebehandlung, NaOH-Konzentration und Temperatur (1988)
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 39 (1988), S. 416-423 
    Details
    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: Stress corrosion cracking of Inconel 600 tubing: Influence of thermal treatment, NaOH concentration and temperatureA study has been performed concerning the role of thermal treatments on the SCC behaviour of Inconel 600 tubing in NaOH solutions in the temperature range 315-360°C. An additional investigation was undertaken to establish the effect of the NaOH concentration built-up under magnetite deposits. The changes in the microstructural variables in the four metallurgical conditions studied were indentified by transmission electron microscopy (TEM). C-ring and slow strain rate tests (10-6s-1) yielded identical results. SEM fractographs were additionally taken to reveal the cracking mode. It has been found that thermal treatment improves the SCC resistance in hot caustic solutions; particularly annealing at 650°C for 50 h appeared to impart the maximum improvement of SCC resistance.
    Notes: Eine Unterschung über den Einfluß der Wärmebehandlung auf das SpRK-Verhalten von Rohren aus Inconel 600 in NaOH-Lösungen bei 315 bis 360°C wurde ergänzt durch Untersuchungen über den Einfluß der NaOH-Anreicherung unter Magnetitschichten; die dabei auftretenden Gefügeänderungen wurden mittels TEM nachgewiesen. Versuche mit C-Ringen und mit langsamer Dehnung (slow strain rate, SSR) bei 10-6s-1 Dehngeschwindigkeit führten zu den gleichen Ergebnissen; REM-Untersuchungen wurden zur Beurteilung der Bruchflächen ausgeführt. Dabei zeigte sich, daß Wärmebehandlung die Anfälligkeit für SpRK in Natronlauge bei hohen Temperaturen vermindert; insbesondere scheint die Wärmebehandlung bei 650°C/50h das SpRK-Verhalten besonders wirkungsvoll zu verbessern.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/maco.19890390905
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  • 6
    Electronic Resource
    Electronic Resource
    Intergranular corrosion behaviour of AISI 316 stainless steel electron-beam clad on plain carbon steel (1991)
    Springer
    Journal of materials science 10 (1991), S. 1370-1373 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00735681
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  • 7
    Electronic Resource
    Electronic Resource
    XPS study of passive films formed on an iron - aluminium intermetallic compound in acid solution (1994)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 21 (1994), S. 435-441 
    Details
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: Surface films grown on the intermetallic B2-FeAl alloy after wet-mechanical polishing and after a wide range of anodic polarization conditions in 1N H2SO4 have been analysed by x-ray photoelectron spectroscopy. The results clearly indicate a remarkable enrichment of aluminium within all the films regardless of the growth conditions. Analysis of the metal-oxygen bonds has made it possible to distinguish several oxidized species. It has been found that most of the iron hydroxides are concentrated on the film surfaces, whereas aluminium hydroxides appear more homogeneously distributed over the depth of the oxide films. The thickness of the film shows an abrupt increase at 1 V, accompanied by a marked increment of Al hydroxide species.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/sia.740210620
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