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  • Wiley-Blackwell  (68)
  • American Physical Society  (31)
  • 1975-1979  (75)
  • 1950-1954  (4)
  • 1925-1929  (20)
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Year
  • 1
    Publication Date: 1975-11-01
    Print ISSN: 0556-2805
    Topics: Physics
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 182 (1929), S. 332-342 
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 6 (1975), S. 117-121 
    ISSN: 0933-5137
    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 detection of thin contaminated layers on contact surfaces.Today electrical contacts must satisfy requirements which are growing steadily. The detection of very thin contaminated layers at contact surfaces therefore becomes very important. Clad gold contacts were contaminated with very small amounts of Zink. Contact resistance measurements and surface analysis measurements by AES and SIMS were shown to be adequate for the detection of this surface contamination.
    Notes: Der Nachweis dünner Verunreinigungsschichten auf Kontaktoberflächen wird bei den steigenden Anforderungen an die Qualität elektrischer Kontakte immer wichtiger. Am Beispiel mit Zink verunreinigter Kontaktoberflächen wird gezeigt, daß durch die Kombination von Kontaktwiderstandsmessungen und der Analyse der Oberfläche durch moderne Methoden auch sehr dünne anorganische Verunreinigungsschichten erfaßt und identifiziert werden können. Die spezifischen Oberflächenanalysenmethoden AES und SIMS sind natürlich besser geeignet als die Elektronenstrahlmikroanalyse.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 7 (1976), S. 224-228 
    ISSN: 0933-5137
    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: Comparative examinations on gold layers applied on silver. By electrolytical deposition, high vacuum evaporation and cladding gold layers of 10-20 μm thickness had been produced on silver. These layers had been examined in their initial state and after different heat treatments on air by a light microscope and a scanning electron microscope. The microhardness of these layers had also been determined and the diffusion between gold and silver had been studied with the electron microanalyzer. Besides the known features of surface structure and hardness certain differences in the tarnishing and diffusion behaviour had been detected. The cause of these differentiations is primarily due to typical processing features.
    Notes: Durch elektrolytische Abscheidung, Hochvakuumbedampfung und Walzplattierung wurden 10-20 μm dicke Goldschichten auf Silber hergestellt. Die Schichtwerkstoffe wurden licht- und rasterelektronenmikroskopisch im Ausgangszustand und nach verschiedenen Wärmebehandlungen an Luft untersucht. Daneben wurde die Mikrohärte der Schichten ermittelt und mit einer Elektronenstrahlmikrosonde die Diffusion zwischen Gold und Silber studiert. Es haben sich neben den bekannten Merkmalen der Oberflächenstruktur und der Härte gewisse Unterschiede im Anlauf- und Diffusionsverhalten gezeigt. Die Ursache dieser Differenzierungen ist in erster Linie auf typische Verfahrensmerkmale zurückzuführen.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 19 (1975), S. 2601-2608 
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: A method for evaluating compounds as nucleating agents in isotactic polystyrene (IPS) is described that involves measuring the polymer heat of fusion by differential scanning calorimetry after a prescribed thermal history. Twenty-nine compounds are described that increase the overall crystallization rate of three IPS samples. In general, the effective compounds contain an aromatic nucleus, are polyfunctional, and are high melting. Most are organic nitrogen heterocyclics. The most effective nucleating agents are thymine, melamine, oxamide, 2-hydroxybenzimidazole, and 4-hydroxy-6,7-dimethylpteridine. The use of plasticizers such as butyl stearate, diisobutyl adipate, or paraffin oil with nucleating agents often results in a synergistic increase in crystallinity.
    Additional Material: 1 Ill.
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  • 6
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 25 (1979), S. 890-892 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 156 (1926), S. 288-300 
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 161 (1927), S. 76-84 
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 174 (1928), S. 31-41 
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 172 (1928), S. 344-352 
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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