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  • Polymer and Materials Science  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 26 (1995), S. 531-538 
    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: Wear and Wear Protection for Injection MouldingIncreased power installations at injection moulding machines for higher polymer output rates require improved wear protection measures since the so called „standard steels“ cannot cope with these demands. This publication describes the adhesive, abrasive and corrosive wear phenomena which are taking place in plasticating units of injection moulding machines as well as the causing factors and resulting effects by means of examples. The influence of different polymers and additives on the service life of the machinery components is also being considered. Finally the article presents solutions to achieve an effective reduction of wear by processing and design related measures, suitable metal surface treatment and adequate material selection for the plasticating unit.
    Notes: Leistungssteigerungen an Spritzgießmaschinen zur Erhöhung der Massedurchsätze verlangen verbesserte Verschleißschutzmaßnahmen, weil Standardstähle diesen Anforderungen nicht gewachsen sind. Der Beitrag beschreibt die in Plastifizier- und Spritzeinheiten auftretenden adhäsiven, abrasiven und korrosiven Verschleißformen sowie deren Ursachen und Auswirkungen anhand von Beispielen. Berücksichtigung findet auch der Einfluß verschiedener Kunststoffe und Additive auf die Standzeit der Plastifizierungsbauteile. Schließlich stellt der Beitrag Lösungsmöglichkeiten vor, um durch verfahrenstechnische und konstruktive Maßnahmen, durch geeignete Oberflächenbehandlungen sowie über eine geeignete Werkstoffwahl den Verschleiß wirksam zu vermindern.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 27 (1982), S. 2577-2591 
    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: Chopped strand mat and glass-fabric-reinforced thin and thick laminates were made from phenolic and polyester laminating resins using three modifications of a hand lay-up method. Short-beam interlaminar shear strengths were determined in three-point bending at a span-to-depth ratio 3:1. Plane and perpendicular specimens were used. It was found that the perpendicular specimens were more useful. Interlaminar delamination energies were determined statically and dynamically. It was found that the results for the phenolic and polyester laminates cannot be simply compared because of differences in the fracture mechanism.
    Additional Material: 14 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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