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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 259 (1981), S. 47-51 
    ISSN: 1435-1536
    Keywords: Polypropylen-Platten ; Kaltwalzen ; Orientierung ; Weißbruch ; stress whitening
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Summary On polypropylene sheets of increasing degrees of deformation and orientation, as obtained by cold rolling, stress whitening was investigated in a tensile tester with the aid of optical methods. The degrees of orientation were characterized with the aid of birefringence measurements and of shrinkage. The characteristic extentions in the tensile tester, at which stress whitening occurs, increase with increasing deformation and orientation from 3,6 up to a maximum of 8,0%.
    Notes: Zusammenfassung Mit Hilfe einer optischen Meßmethode wurden im linearen Zugversuch Weißbruchmessungen an Polypropylen (PP)-Platten, die durch Kaltwalzen in zunehmendem Ausmaß deformiert und orientiert waren, durchgeführt. Der Orientierungsgrad wurde durch Messung der Doppelbrechung und der Schrumpfung charakterisiert. Die charakteristischen Dehnungsgrenzwerte nehmen mit zunehmender Deformation und Orientierung von 3,6 auf maximal 8,0 % zu.
    Type of Medium: Electronic Resource
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