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Author: Lenhart, Armin × Author: Müller-Simon, Hayo × End date: 1999 × Start date: 1990 ×

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    Practical strength of glass containers : Part 1. Influence of the type of defect
    (Offenbach : Verlag der Deutschen Glastechnischen Gesellschaft, 1994) Müller-Simon, Hayo; Wagner, Jörg; Lenhart, Armin
    The practical strength of container glass depends not only on the stress distribution at the surface, but also on the type and distribution of surface defects. After the elimination of the influence of the container shape by means of finite element methods, different types of defect show a different behaviour in the Weibull plot. Especially seeds and blisters are shown to be twice as dangerous as inhomogeneides caused by handling materials. The accuracy of the stress determination is limited, thus, an identification of different types of inhomogeneities from the Weibull plot is not possible under the present conditions.
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    Practical strength of glass containers. Part 2. Influence of handling
    (Offenbach : Verlag der Deutschen Glastechnischen Gesellschaft, 1994) Wagner, Jörg; Müller-Simon, Hayo; Lenhart, Armin
    The practical strength of container glass depends not only on the stress distribution at the surface, but also on the type and distribution of surface defects. After the elimination of the influence of the container shape by means of finite element methods, different types of defect show a different behaviour in the Weibull plot. This behaviour can be used to compare different handling materials. The materials used at the cold end cause no measurable weakening of the strength. A special type of defect could be associated with the transfer conveyour belt. Carbon and brass were compared as deadplate materials without finding a specific influence on the container strength.