G030076 ブレードで補強されたカテーテルの飛び移り座屈挙動に関する研究 : 捩りと圧縮の複合負荷時に発生する飛び移り座屈現象について

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  • G030076 Research on Snap-through Behaviours for Catheter reinforced with thin stainless wires : Snap-through behaviours generated under combined loading for torsion and compression

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The purpose of this study is to investigate the physical property of catheter, which is made of soft nylon resin and reinforced with thin stainless wires. The buckling behavior under initial torsion has been examined by using short length specimens, and the effect of stress relaxation on the buckling behavior has been revealed in the previous report. However, the snap-through phenomenon occurs when using relatively long specimens. So, in this report, the buckling tests under the combined loading for torsion and compression are conducted with various longitudinal lengths of specimens by changing the speeds of axial displacement and the angle of twist. Especially, the conditions that the snap-through behavior occurs are investigated by performing the experiments with various axial displacement speeds and rotational speeds, and the relation between the snap-through phenomenon and the visco-elastic behavior are revealed.

収録刊行物

  • 年次大会

    年次大会 2012 (0), _G030076-1-_G030076-5, 2012

    一般社団法人 日本機械学会

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