1257 カテーテルの変形挙動と強度に関する研究 : 曲げと捩りが連成する場合の応力緩和の特性(G03-10 材料力学(10)疲労・強度3,21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

概要

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The purpose of this study is to investigate physical property of the catheter, which made of soft nylon resin and is reinforced with thin stainless wires called braid. In our previous report, applying the step strain for tension and torsion with two-stages, we have been investigated the phenomenon of stress relaxation by changing the order of tension and torsion, and we have been examined the effect of these loading histories on the viscoelastic property. In this paper, the combined loading tests for bending and torsion are carried out, and we elucidate the viscoelastic property under the combined loading. Moreover, we try to formulate the numerical model for viscoelastic response based on these experimental results.
一般社団法人日本機械学会の論文
2008-08-02