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Dynamic and Static Compressive Behaviors of Highly Porous Ti-Ni-Mo Shape Memory Alloy

机译：多孔Ti-Ni-Mo形状记忆合金的动静压缩行为

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摘要

High-strain-rate and quasi-static compressive tests were carried out on a highly porous shape-memory alloy. Porous bulk specimens with a three-dimensional network structure were recently fabricated by vacuum sintering of rapidly solidified 50Ti-49.68Ni-0.32Mo (at.%) alloy fibers. An open porosity of 75% was achieved. A split Hopkinson pressure bar (SHPB) experiment was used to apply a compressive high strain rate on the bulk specimens. The dynamic result did not show a significant difference from the static test result. Young's modulus of the porous material was about 100 MPa which is the same order of magnitude as bone.
机译：对高度多孔的形状记忆合金进行了高应变率和准静态压缩试验。最近，通过真空烧结快速凝固的50Ti-49.68Ni-0.32Mo（at。％）合金纤维，制造了具有三维网络结构的多孔块状样品。达到75％的开孔率。分裂霍普金森压力棒（SHPB）实验用于对大块样品施加压缩高应变率。动态结果与静态测试结果没有显着差异。多孔材料的杨氏模量约为100 MPa，与骨骼的数量级相同。

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