AM-Bench IN718的部分偏移测量 3D 构建文物
Maxwell Praniewicz1, Jason C Fox1, Jared Tarr1
1Engineering Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA.
概括
在增材制造 (AM) 中预测剩余应力和部分偏移是采用的关键. 这项研究为基超级合金IN718提供了高保真度数据,以改善AM过程建模和减少扭曲.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 制造过程 制造过程 制造过程
背景情况:
- 增材制造 (AM) 工艺,如3D打印,由于快速化和固化,引发了显著的残余应力和应变.
- 这些压力导致部分扭曲,这是AM采用的主要障碍.
- 处理后的处理可以减少压力,但会降低所需的已构建的微观结构.
研究的目的:
- 为特征良好的AM组件提供高准确度的实验数据.
- 帮助模型开发和校准,以预测残余应力和部件屈曲.
- 为了支持CHAL-AMB2022-01-PD的建模挑战.
主要方法:
- 通过增材制造使用基超级合金IN718制造3D测试对象.
- 使用坐标测量机器测量部分偏斜的测量.
- 该部件与构造板的部分分离,以隔离偏斜测量.
主要成果:
- 为IN718组件生成了关于残余应力和部分偏移的实验数据.
- 这些数据涉及CHAL-AMB2022-01-PD挑战下的特定3D构建.
- 在制造后成功获得了偏斜测量.
结论:
- 准确预测已构建的残余应力和组件偏移对于推进AM至关重要.
- 生成的数据是验证和改进计算模型的宝贵资源.
- 这项工作有助于克服增材制造可靠应用的关键障碍.
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