Tu Jian, Qiao Liang, Shan Yu, Xin Chunliang, Liu Jiayun
School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100086, China.
Department 2, Beijing Institute of Space Long March Vehicle, Beijing 100076, China.
Materials (Basel). 2021 Mar 16;14(6):1447. doi: 10.3390/ma14061447.
As a new kind of multifunctional energetic structural material (MESM), amorphous alloy will undergo a chemical reaction and release energy under impact load. In this paper, an analysis method for the impact-induced reaction parameters of solid materials was derived based on a three-term equation of state and Avrami-Erofeev equation. The relation between the degree of reaction, pressure, and temperature of ZrCuNiAl amorphous alloy was obtained. The influence of participation of an oxidizing reaction on the material energy release efficiency was analyzed. The relation between the energy release efficiency and impact velocity was achieved by an experiment in which ZrCuNiAl amorphous alloy fragments impact a steel plate. The variations of pressure and temperature during the impact process were obtained. In the end, a reaction kinetic model was modified, and the kinetic parameters for the impact-induced reaction of materials in an air environment were obtained.
作为一种新型多功能含能结构材料(MESM),非晶合金在冲击载荷作用下会发生化学反应并释放能量。本文基于三项状态方程和阿弗拉米-埃罗费耶夫方程推导了固体材料冲击诱发反应参数的分析方法。得到了ZrCuNiAl非晶合金的反应程度、压力和温度之间的关系。分析了氧化反应参与对材料能量释放效率的影响。通过ZrCuNiAl非晶合金碎片冲击钢板的实验,得到了能量释放效率与冲击速度之间的关系。获得了冲击过程中压力和温度的变化。最后,修正了反应动力学模型,得到了材料在空气环境中冲击诱发反应的动力学参数。