Experimental And Analytical Study On
High-speed Fracture Phenomena And
Mechanism Of Glass
Author(s)
H. Sakamoto, S. Kawabe, Y. Ohbuchi & S. Itoh
Abstract
The new high-speed crushing technique of glass bottles was proposed for
recycling. The proposed system uses the underwater shock-wave by explosive
energy. This method is excellent compared with the conventional mechanical
method in the crushing time, crushing efficiency, collection ratio of glass
\“cullet” and using simple crushing apparatus etc. In this study, using commercial
beer bottle, the behaviors of underwater shock-wave by explosive energy and the
high-speed fracture phenomena of glass bottle were clarified by the experiment
and analytical method.
Keywords: glass-cullet, underwater shockwave, explosive enemy, high-speed
fracture，recycle.
1 Introduction
Glass bottles are widely used as containers of drinks, food and medicine due to
their characteristics for sealing up, transparency and storage stability. Many of
these glass bottles after use are reused as returnable bottles or recycled as the raw
material of glass container which is called \“cullet’ that are crushed to small
fragments [1, 2]. The authors paid attention to this raw material recycling
process of generating \“cullet”. In the conventional cullet generation method, a
mechanical crushing one is used [3]. In order to recycle them by using this
method, these bottles need to be washed inside before melting. As the bottles’
shapes vary greatly, this washing of the bottles’ inside takes a lot of time and it is
Keywords
glass-cullet, underwater shockwave, explosive enemy, high-speed
fracture，recycle
Related Book
Other papers in this volume
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