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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Properties and response of composite material with spheroidal superelastic shape memory alloy inclusions subject to three-dimensional stress state
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Properties and response of composite material with spheroidal superelastic shape memory alloy inclusions subject to three-dimensional stress state

机译：球状超弹性形状记忆合金夹杂物在三维应力状态下的性能与响应

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摘要

This communication illustrates the method of evaluation of the stiffness tensor and the stress-strain relationship of a particulate composite material with randomly distributed spheroidal superelastic shape memory alloy (SMA) inclusions that is subject to three-dimensional stresses. The Mori-Tanaka homogenization technique in conjunction with the Tanaka phenomenological SMA theory is applied to develop relations between the properties of the composite material and the applied stresses. In addition, the composite stress-strain loop reflecting hysteresis within the SMA material is generated. It is shown that the energy dissipation within a metal matrix composite with spherical SMA inclusions is comparable to that observed in composites with SMA fibres. The solution is exact within the framework of the assumptions of the Mori-Tanaka and phenomenological SMA theories.
机译：该通信说明了评估具有随机分布的球状超弹性形状记忆合金（SMA）夹杂物的颗粒复合材料的刚度张量和应力-应变关系的方法，该复合材料会承受三维应力。 Mori-Tanaka均质化技术与Tanaka现象学SMA理论相结合，用于开发复合材料的性能与施加的应力之间的关系。另外，在SMA材料内产生反映滞后的复合应力-应变回路。结果表明，具有球形SMA夹杂物的金属基复合材料中的能量耗散与具有SMA纤维的复合材料中观察到的相当。该解决方案在Mori-Tanaka和现象学SMA理论的假设框架内是准确的。

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