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  • Polymer and Materials Science  (594)
  • Biochemistry and Biotechnology
  • GEOPHYSICS
  • 1955-1959  (595)
  • 1955  (595)
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  • 1955-1959  (595)
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  • 1
    Publication Date: 2011-08-23
    Description: No abstract available
    Keywords: GEOPHYSICS
    Format: text
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 6 (1955), S. 463-463 
    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
    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 6 (1955), S. 463-464 
    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
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 6 (1955), S. 464-467 
    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
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 6 (1955), S. 48-51 
    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
    Type of Medium: Electronic Resource
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  • 6
    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
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 6 (1955), S. 53-55 
    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
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 6 (1955), S. 55-56 
    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
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 6 (1955), S. 63-71 
    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: On Alternating-Current-CorrosionLaboratory-experiments on the destruction of iron-electrodes being charged with direct and alternating and indulatory currents are communicated. The results are compared with the theory. Conclusions for the practice of stray-current-corrosion are drawn.The experiences of electric works concerning the destruction of earth-circuits made of different metals are related. The apparent influence of stray-current-charges on earth-circuits is explained. According to the obtained results the author recommends a prohibition of coppermade-earth-circuits.
    Notes: Es wird von Laboratoriumsversuchen über die Zerstörung von Eisenelektroden bei Gleichstrom-, Wechselstrom- und Mischstrom-Belastung berichtet. Die Versuchsergebnisse werden mit der Theorie verglichen und Schlußfolgerungen für die Praxis der Streustromkorrosion gezogen.Es wird sodann zu praktischen Erfahrungen it Zerstörung von Erdern aus verschiedenem Material in Elektrizitätswerksbetrieben übergegangen und eine Deutung des scheinbaren Einflusses der Streustrombelastung auf Erder gegeben.Auf Grund dieser Ergebnisse wird ein Verbot der Verwendung von Kupfer als Baumaterial empfohlen.
    Additional Material: 17 Ill.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 6 (1955), S. 72-80 
    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: The To-Day State of Phosphatizing on Iron and Non-Ferrous-MetalsPhosphatizing is a electrochemical, cathodically controlled process. The author developed mathematical lawfulness for the formation and decomposition of phosphate-covers which was proved by experiments. The porosity of the covers was determined to be 0.3% of the total surface. Because of their high porosity phosphate-covers are used only in combination of oils, lacquers or varnishes. The methods of phosphatizing are discribed in detail. According to the composition of the phosphatizing bath or the intensity of treatment, thinner or thicker covers are obtained. Thick covers of more than 100 mg/100 cm2 (on nails, screws, etc.) are oiled while thin covers of 25-75 mg/100 cm2 are bottoms for painting.Phosphate-covers do not only serve protection against corrosion but also the decrease of friction of sliding surfaces of machines. These covers of manganese and iron phosphate are applied in combination with lubricants.Phosphatizing is of big importance to the cold-working of iron and steel e. g. to deep-drawing. This method invented by Fr. Singer has been applied in Germany. Later than 1947 it was introduced in Great-Britain and the USA.
    Notes: Der Phosphatierungsprozeß ist ein elektrochemischer, kathodisch gesteuerter Vorgang. Für die Kinetik der Bildung und Zerstörung der Phosphatschichten wurden von w. Machu mathematische Gesetzmäßigkeiten abgeleitet und experimentell bewiesen. Die Porosität der Phosphatschichten wurde zu 0.3% der Gesamtfläche ermittelt. Wegen dieser verhältnismäßig hohen Porosität werden die Phosphatüberzüge nur in Verbindung mit Ölen, Lacken oder Anstrichen verwendet. Die Verfahren der Phosphatierung werden im einzelnen beschrieben.Je nach Zusammensetzung des Phosphatierungsbades oder der Behandlungsintensität erhält man dickere oder dünnere Überzüge. Dicke Schichten von über 100 mg/dm2 für Nägel, Schrauben u. dgl. werden geölt, während die dünnen Schichten von 25-75 mg/dm2 die Grundlage von Anstrichen bilden.Neben dem Korrosionsschutz dienen die Phosphatüberzüge auch zur Verminderung der Reibung von aufeinandergleitenden Maschinenteilen. Diese Schichten aus Mangan- und Eisenphosphaten werden in Verbindung mit Schmiermitteln angewendet.Neben Hilfsmittel bei der Kaltbearbeitung von Eisen und Stahl, z.B. Beim Tiefziehen, ist die Phosphatierung von besonderer Bedeutung. Dieses von Fr. Singer 1935 erfundene und in Deutschland angewendete Verfahren wurde erst nach 1947 in USA und in England eingeführt.
    Additional Material: 9 Ill.
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