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The 8th ASSESS Annual Congress in Atlanta, Georgia, Will Allow Every Attendee to Help Shape the Future of Engineering Simulation.

Lightweight aluminum alloy lattice structures have broad application prospects in energy absorption, heat insulation, vibration isolation, etc. Additive manufacturing (AM) has been increasingly applied to fabricating lattice structures due to its efficient and flexible technical characteristics. Wire arc additive manufacturing (WAAM), featuring high productivity and low cost, is gradually considered a desirable choice for rapid prototyping of medium to large-scale freeform metallic lattice structures. However, due to the higher thermal conductivity of aluminum alloys, the forming of struts is ...

Abstract Aluminum alloy lattice structures featuring superior energy absorption, lightweight, and high strength-weight ratio, are achievable using Additive Manufacturing (AM) technology such as selective laser sintering. However, the size of the structure is limited, and the cost is relatively high. As a free-form rapid prototyping technology, Wire Arc Additive Manufacturing (WAAM) using electric arc as an energy source has the potential to fabricate medium to large-scale lattice structures with low cost and high process efficiency. This paper presents a strut-based process planning method fo...