Table 5.
Comparison Between the Proposed Design, Bending, Dip, and Join Process and the Traditional Porous Structure Manufacturing Processes
Cellular structure manufacturing method |
|||||
---|---|---|---|---|---|
Foam | Additive manufacturing/3D printing | Strucwire/wire-woven metal | Constructed lattice (sheet forming, casting and joining brazing, laser, etc.) | DBDJ (proposed) | |
Aperiodic configuration | |||||
Lattice pattern | Random pattern | Multiple pattern within and between layer is achievable | Single pattern | Single pattern | Multiple pattern within and between layer is achievable |
Controllable heterogeneity/topology based progressivity/aperiodicity | Not achievable | Achievable | Not achievable | Not achievable | Achievable |
Object shape conformity | Cut-to-fit | Shape conforming | Cut-to-fit | Cut-to-fit | Shape conforming |
Other configuration | |||||
Manufacturing steps | Multistage, complex process | Single- or two-stage depending on the process | Multistage, complex process, assembly required | Multistage complex process, assembly required | Two-step: bending and dipping |
Material recycling | Very much limited | Limited to none | Limited to none | Limited to none | Direct |
In situ design reconfiguration | Not possible | Achievable with digital thread | Not possible | Not possible | Achievable with digital thread |
Form of material | Liquid or solid | Powder, wire or liquid | Discrete wire | Discrete wire | Continuous wire |
Strength of structure | Low to medium | Low to medium | High | High | Low to medium |
Number of joining nodes | n/a | Virtually infinite | Significantly high | High | Minimal |
Multilayer structure | Limited by stacking | Achievable | Achievable | Limited by stacking single layer | Achievable |
3D, three-dimensional; DBDJ, Design, Bending, Dip, and Join.