A novel lattice structure manufacturing process is proposed in this article, which has the potential to overcome the manufacturing shortcomings of small-scale metal lattice structure. The proposed hierarchical process has four segments: Design, Bending, Dip, and Join (DBDJ). The proposed research use one-dimensional metallic wires/rods instead of powder, two-dimensional sheet, or liquid metal, which is highly transformative than the status quo. The topology-based design technique is focused to construct the lattice structure using a continuous thin rod. The layers are stacked in an additive manner to construct the three-dimensional lattice structure. The dip-coating meditate material transfer facilitates the node joining using transient liquid phase diffusion bonding, and hence, the manufacturing of the complex lattice structure is performed. The research framework provides a unique and holistic approach from design to manufacturing for realizing small-scale metallic lattice structure. A range of multiscale lattice structure is manufactured with the proposed DBDJ process. Very low relative density (∼3.8%) unit cell is achieved, and compressive tests demonstrate no failure at the joining node, which is reported in this article.

中文翻译：

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一种新型金属晶格结构快速制造工艺


本文提出了一种新颖的晶格结构制造工艺，有望克服小尺寸金属晶格结构的制造缺点。所提出的分层过程有四个部分：设计、弯曲、浸入和连接 (DBDJ)。所提出的研究使用一维金属线/棒代替粉末、二维片材或液态金属，这比现状具有高度变革性。基于拓扑的设计技术专注于使用连续细杆构建晶格结构。这些层以加法方式堆叠以构建三维晶格结构。浸涂介导材料转移有利于使用瞬态液相扩散键合的节点连接，因此，进行了复杂晶格结构的制造。该研究框架为实现小尺寸金属晶格结构提供了从设计到制造的独特且整体的方法。采用所提出的 DBDJ 工艺制造了一系列多尺度晶格结构。实现了非常低的相对密度 (∼3.8%) 晶胞，并且压缩测试表明连接节点没有出现故障，这在本文中进行了报道。