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What is Friction-Reduced Ring Specimen for SHPB Tests about?

The document discusses the use of a ring specimen in split Hopkinson pressure bar (SHPB) tests to minimize the influence of friction on stress-strain measurements. It presents a numerical analysis showing that a ring with a large inner diameter and small radial thickness can improve the reliability of results for ductile materials. A correction coefficient is proposed to accurately relate the actual material stress-strain curve with SHPB readings, supported by experimental results demonstrating its effectiv

Author

rajeshc

Language

EN