核壳网络结构钛氮合金力学性能有限元模拟

基金项目:

陕西省自然科学基础研究计划项目(2019JQ-675)；中国博士后基金面上项目(2019M653518)；中央高校基本科研业务费专项资金资助(300102219302)

详细信息

Finite Element Simulation of Mechanical Properties of Core-shell Structured Titanium-nitrogen Alloys

1. School of Highway, Chang'an University, Xi'an 710064, China;
2. Xinjiang Vocational and Technical College of Communications, Urumqi 831401, China;
3. Shanxi Qianshan Avionics Co. Ltd., Xi'an 710065, China

摘要: 利用有限元软件ABAQUS建立不同核壳占比的二维模型,采用von-Mises屈服准则来描述核壳网络结构钛氮合金材料的屈服行为,进而对不同核壳占比的核壳网络结构材料进行拉伸和压缩应力-应变曲线模拟。结果表明拉伸和压缩所得到的应力应变曲线图一样。随着核半径从1 mm增加到3 mm(相当于核的百分比),核壳网络结构材料的屈服强度增大。当应变率为3%时,核壳网络结构材料发生屈服现象,从而进入塑性阶段。
- 有限元模拟 /
- 核壳网络结构 /
- 力学性能
Abstract: Using the finite element software ABAQUS, two-dimensional models of different core-shell ratios were established. The von-Mises yield criterion was used to describe the yield behaviors of titanium-nickel alloy materials with core-shell network structures, of different core-shell ratios. Tensile and compressive stress-strain curve simulations were performed. The results show that the stress-strain curves obtained by stretching and compression are the same. As the nuclear radius increases from 1 mm to 3 mm(equivalent to the percentage of core), the yield strength of the core-shell network structural material increases. When the strain rate is 3%, the core-shell network structural material undergoes a yielding phenomenon and enters the plastic phase.
- finite element simulation /
- core-shell network structure /
- mechanical properties