使用有限元素方法对铜双金属复合物的I模式破裂分析
Vahid Yousefi Mehr1, Mohammad Reza Toroghinejad1
1Isfahan University of Technology, Department of Materials Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran.
Heliyon
|February 26, 2024
概括
本研究探讨了使用有限元素分析的-铜 (Al-Cu) 双金属复合材料,以了解负载下的粘合和断裂行为. 冷粘合证明有效连接Al-Al和Al-Cu,由于材料性质的差异,观察到明显的裂传播.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 计算力学 计算力学 计算力学
背景情况:
- 研究双金属复合材料的特性对于先进的材料应用至关重要.
- 了解不同负载条件下的铜 (Al-Cu) 复合材料的行为是必不可少的.
- 冷粘合 (CRB) 是制造不同金属接头的关键工艺.
研究的目的:
- 通过有限元法 (FEM) 研究Al-Cu双金属复合材料的特性.
- 分析通过CRB制造的Al-Cu复合材料的应力分布,粘合和断裂行为.
- 将模拟结果与实验观测结果进行比较.
主要方法:
- 使用ANSYS软件进行有限元分析 (FEA),以模拟应力-应变分布.
- 冷粘合 (CRB) 工艺应用于Al和Cu金属板.
- 光学和扫描电子显微镜 (SEM) 用于材料表征.
主要成果:
- CRB有效地实现了Al-Al和Al-Cu的适当结合.
- 根据Von-Mises标准进行了压力分布分析并得到了验证.
- 裂传播模拟显示了不同的材料行为,由于不同的Al和Cu属性.
结论:
- 该CRB工艺适用于制造Al-Cu双金属复合材料.
- FEM模拟准确地预测了应力分布和断裂行为.
- 材料性能差异显著影响Al-Cu复合材料中的裂纹传播.
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