Deformation rate dependence of mechanical properties of epoxy resin at cryogenic temperatures

✍ Scribed by S. Nishijima; T. Okada

• Publisher: Elsevier Science
• Year: 1980
• Tongue: English
• Weight: 475 KB
• Volume: 20
• Category: Article
• ISSN: 0011-2275
• DOI: 10.1016/0011-2275(80)90105-8

✦ Synopsis

Effects of deformation rate on the mechanical properties of epoxy resin used in superconducting magnets have been studied at cryogenic temperatures. Compressive and flexural tests were made to reveal the mechanical behaviour. In the case of compressive tests, the increase in the deformation rate caused on increase of elastic modulus and a decrease of breaking stress and strain. In the case of flexural tests, different results in breaking stress were obtained. The results indicate that the following two problems must be elucidated for practical use of polymers in magnets, ie (i) impact strength of the polymers, (ii) the stress condition applied to the polymers in the magnet.