形状记忆合金金属橡胶(Shape Memory Alloy Metal Rubber,SMAMR)是在金属橡胶基础上改进的一种新型减振材料,在减震(振)器发生塑性变形之后,形状记忆合金金属橡胶可以通过加热诱发金属橡胶中的形状记忆合金丝发生相变,从而达到变形自回...形状记忆合金金属橡胶(Shape Memory Alloy Metal Rubber,SMAMR)是在金属橡胶基础上改进的一种新型减振材料,在减震(振)器发生塑性变形之后,形状记忆合金金属橡胶可以通过加热诱发金属橡胶中的形状记忆合金丝发生相变,从而达到变形自回复的目的。本文通过对8个金属橡胶试件的静力和动力压缩试验研究发现,形状记忆合金金属橡胶力学性能稳定,并且形状记忆合金金属橡胶减震(振)器的塑性变形可以通过升温进行自回复,而不需要更换新的减震设备。展开更多
Shape memory alloy metal rubber(SMAMR)is a novel intelligent elastic damping material which can realize the integration of structure and function.The investigations on the anisotropic mechanical characteristics which ...Shape memory alloy metal rubber(SMAMR)is a novel intelligent elastic damping material which can realize the integration of structure and function.The investigations on the anisotropic mechanical characteristics which depended on shaping craft and working temperature were conducted by quasi-static tests.Comparative experiments indicated that the heat setting temperature affect the elastic modulus non-monotonously but has little effect on the loss factor of SMAMR in both martensite and austenite phases.With the increase of the heat setting time,the elastic modulus of SMAMR monotonously decreases and the reduction of loss factor is unobvious.With the present shaping craft,SMAMR exhibits the anisotropy in moulding and non-moulding directions,which is affected by the heat setting process and working temperature.It was proved that the mechanical properties have approximately linear relationship with temperature during the phase transition process.Due to its temperature-dependent mechanical properties,SMAMR that experiences the heat setting procedure is expected to be used in active vibration control systems with varying temperature-dependent stiffness and damping coefficients to provide superior vibration control performance.展开更多
文摘形状记忆合金金属橡胶(Shape Memory Alloy Metal Rubber,SMAMR)是在金属橡胶基础上改进的一种新型减振材料,在减震(振)器发生塑性变形之后,形状记忆合金金属橡胶可以通过加热诱发金属橡胶中的形状记忆合金丝发生相变,从而达到变形自回复的目的。本文通过对8个金属橡胶试件的静力和动力压缩试验研究发现,形状记忆合金金属橡胶力学性能稳定,并且形状记忆合金金属橡胶减震(振)器的塑性变形可以通过升温进行自回复,而不需要更换新的减震设备。
基金supported by the National Natural Science Foundation of China (Grant Nos. 51105022,51101008 and 51211130115)Fan Zhou Research Fund (Grant No. 201104021)
文摘Shape memory alloy metal rubber(SMAMR)is a novel intelligent elastic damping material which can realize the integration of structure and function.The investigations on the anisotropic mechanical characteristics which depended on shaping craft and working temperature were conducted by quasi-static tests.Comparative experiments indicated that the heat setting temperature affect the elastic modulus non-monotonously but has little effect on the loss factor of SMAMR in both martensite and austenite phases.With the increase of the heat setting time,the elastic modulus of SMAMR monotonously decreases and the reduction of loss factor is unobvious.With the present shaping craft,SMAMR exhibits the anisotropy in moulding and non-moulding directions,which is affected by the heat setting process and working temperature.It was proved that the mechanical properties have approximately linear relationship with temperature during the phase transition process.Due to its temperature-dependent mechanical properties,SMAMR that experiences the heat setting procedure is expected to be used in active vibration control systems with varying temperature-dependent stiffness and damping coefficients to provide superior vibration control performance.
