当前位置: X-MOL 学术Mater. Sci. Eng. R Rep. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Additive manufacturing of metallic lattice structures: Unconstrained design, accurate fabrication, fascinated performances, and challenges
Materials Science and Engineering: R: Reports ( IF 31.0 ) Pub Date : 2021-10-28 , DOI: 10.1016/j.mser.2021.100648
Liang-Yu Chen 1 , Shun-Xing Liang 2 , Yujing Liu 3 , Lai-Chang Zhang 4
Affiliation  

Lattice structures, which are also known as architected cellular structures, have been applied in various industrial sectors, owing to their fascinated performances, such as low elastic modulus, high stiffness-to-weight ratio, low thermal expansion coefficient, and large specific surface area. The lattice structures fabricated by conventional manufacturing technologies always involve complicated process control, additional assembly steps, or other uncontrollable factors. Furthermore, limited types of unit cells can be used to construct lattice structures when using conventional processes. Fortunately, additive manufacturing technology, based on a layer-by-layer process from computer-aided design models, demonstrates the unique capability and flexibility and provides an ideal platform in manufacturing complex components like lattice structures, resulting in an effective reduction in the processing time to actual application and minimum of material waste. Therefore, additive manufacturing relieves the constraint of structure design and provides accurate fabrication for lattice structures with good quality. This work systematically presents an overview of conventional manufacturing methods and novel additive manufacturing technologies for metallic lattice structures. Afterward, the design, optimization, a variety of properties, and applications of metallic lattice structures produced by additive manufacturing are elaborated. By summarizing state-of-the-art progress of the additively manufactured metallic lattice structures, limitations and future perspectives are also discussed.



中文翻译:

金属晶格结构的增材制造:不受约束的设计、精确的制造、令人着迷的性能和挑战

晶格结构也被称为建筑蜂窝结构,由于其令人着迷的性能,例如低弹性模量、高刚度重量比、低热膨胀系数和大比表面积,已被应用于各个工业领域。 . 传统制造技术制造的晶格结构总是涉及复杂的工艺控制、额外的组装步骤或其他不可控因素。此外,当使用传统工艺时,可以使用有限类型的晶胞来构建晶格结构。幸运的是,基于计算机辅助设计模型的逐层过程的增材制造技术展示了独特的能力和灵活性,并为制造晶格结构等复杂组件提供了理想的平台,从而有效减少实际应用的处理时间并最大限度地减少材料浪费。因此,增材制造减轻了结构设计的限制,为高质量的晶格结构提供了精确的制造。这项工作系统地概述了金属晶格结构的传统制造方法和新型增材制造技术。随后,详细阐述了增材制造产生的金属晶格结构的设计、优化、各种性能和应用。通过总结增材制造金属晶格结构的最新进展,还讨论了局限性和未来前景。因此,增材制造减轻了结构设计的限制,为高质量的晶格结构提供了精确的制造。这项工作系统地概述了金属晶格结构的传统制造方法和新型增材制造技术。随后,详细阐述了增材制造产生的金属晶格结构的设计、优化、各种性能和应用。通过总结增材制造金属晶格结构的最新进展,还讨论了局限性和未来前景。因此,增材制造减轻了结构设计的限制,为高质量的晶格结构提供了精确的制造。这项工作系统地概述了金属晶格结构的传统制造方法和新型增材制造技术。随后,详细阐述了增材制造产生的金属晶格结构的设计、优化、各种性能和应用。通过总结增材制造金属晶格结构的最新进展,还讨论了局限性和未来前景。这项工作系统地概述了金属晶格结构的传统制造方法和新型增材制造技术。随后,详细阐述了增材制造产生的金属晶格结构的设计、优化、各种性能和应用。通过总结增材制造金属晶格结构的最新进展,还讨论了局限性和未来前景。这项工作系统地概述了金属晶格结构的传统制造方法和新型增材制造技术。随后,详细阐述了增材制造产生的金属晶格结构的设计、优化、各种性能和应用。通过总结增材制造金属晶格结构的最新进展,还讨论了局限性和未来前景。

更新日期:2021-10-28
down
wechat
bug