Abstract
When the specimen temperature differs from the room temperature, timing of mechanical load becomes a variable due to heat conduction. There are two approaches to conduct experiments with the specimens heated or cooled. One is to heat/cool the specimen with the bars attached. The other is to bring the bars in contact with the specimen after it reaches a desired temperature. The latter is preferred particularly at very high temperatures since temperature gradient in the bars affects wave propagation, which must be corrected. This chapter describes methods for high/low temperature Kolsky-bar experiments. The design of a computer- controlled automated system for high temperature experiments is presented. Examples are given with specimen materials including a stainless steel, a shape memory alloy, a syntactic epoxy foam, and PMDI foams with different densities.
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© 2011 Springer US
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Chen, W.W., Song, B. (2011). Kolsky Compression Bar Experiments at High/Low Temperatures. In: Split Hopkinson (Kolsky) Bar. Mechanical Engineering Series. Springer, Boston, MA. https://doi.org/10.1007/978-1-4419-7982-7_7
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DOI: https://doi.org/10.1007/978-1-4419-7982-7_7
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Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4419-7981-0
Online ISBN: 978-1-4419-7982-7
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