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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 22 (1971), S. 323-329 
    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: Investigation into the corrosion resistance of porcelain and stonewareThe author communicates the results of corrosion tests made with porcelain and stoneware in contact with acid and alcaline media (sulfuric acid, phosphoric acid, nitric acid, hydrochloric acid, NaHO2 KHO) under rigid conditions resembling those encountered in practice (oboiling temperature, flow velocities upto 1 m/s). while the acid resistance can as a rule be considered very good there is considerable attack by alcaline media. In this context there is a close interdependence between the attack and the composition of the materials and the nature of the glassy and crystalline phase present. Aluminated materials show good resistance somewhat reduced.
    Notes: Es werden Ergebnisse von Korrosionsuntersuchungen mitgeteilt, die an Porzellan and Steinzeug bei Einwirkung von Säuren and Laugen (Schwefelsäure) Phosphorsäure, Salpetersäure, (HCI NaHo, KHO) unter praxisnahen, verschärften Bedingungen (bis Siedepunkt, Strömungsgeschwindigkeiten bis 1 m/s) erhalten wurden. Während Säure in der Regel sehr gut ist, greifen Laugen erheblich an. Dabei zeigt sich eine erhebliche Abhängigkeit des Angriffs von der Zusammensetzung und von der Art der vorhandenen glasigen sowie kristallinen Phasen. Tonerdehaltige Materialien besitzen gute Laugenbeständigkeit, hingegen etwas verminderte Säurebeständigkeit.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
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