在热塑性增材制造组件中模拟弹性塑料和无otropic 行为:面向应用的建模方法
Fabian Ferrano1, Miranda Fateri1, Markus Merkel1
1Faculty Mechanical Engineering & Materials Science, Aalen University, Beethovenstr. 1, 73430 Aalen, Germany.
Polymers
|May 11, 2024
概括
这项研究开发了一个模拟合丝制造 (FFF) 3D打印件的模拟,通过整合异型和弹性塑料的特性,准确地预测材料的行为和故障.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 增材制造 增材制造 增材制造
背景情况:
- 化纤维制造 (FFF) 是一种广泛用于塑料元件的增材制造技术.
- 准确预测FFF部件的机械行为和故障对于可靠的工程应用至关重要.
- 现有的模拟通常缺乏对FFF特有的异性质材料特性和弹性塑料行为的全面整合.
研究的目的:
- 开发和验证FFF制造的塑料元件的合工艺结构模拟.
- 将异性质和弹性质材料的行为整合到模拟框架中.
- 为了准确地预测部件变形,应力,应变和断裂行为,考虑材料方向.
主要方法:
- 开发了一种结合过程结构模拟方法.
- 集成的异型和弹性塑料材料模型.
- 链接过程模拟输出 (材料导向) 与结构模拟.
- 将模拟结果 (压力,应变,骨折) 与实验数据进行比较.
主要成果:
- 该模拟成功地预测了FFF组件在各种链状方向上的行为.
- 验证了FFF部件的异型和弹性塑料模拟的有效性.
- 在模拟和实验压力和张力值之间证明了准确的相关性.
- 有效地考虑了与材料方向有关的断裂行为.
结论:
- 开发的模拟方法为分析FFF制造的塑料组件提供了强大的工具.
- 这种方法可以准确预测变形和故障,考虑到材料的异构性和弹性.
- 这种模拟方法支持增材制造中的高效虚拟产品开发和组件尺寸.
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