Fabrication of Metallic Products Using Digital Light Processing‐Based Additive Manufacturing: A Review
Source abstract
Abstract
Direct 3D printing of green bodies and indirect 3D printing for assisting a casting process represent two promising applications of additive manufacturing (AM) based on digital light processing (DLP) for creating high‐precision metallic components. Since direct 3D printing is still limited to specific materials, like copper and stainless steel, there is a need to expand this technology to other alloys. The ability to scale it up is further hampered by issues in preprocessing, printing, and post‐treatment. This review discusses the complete process chain and applications of DLP in detail. Subsequently, some challenges, such as scattering and residual char, are identified as the remaining obstacles in the current DLP technology. To increase DLP's applicability to high‐value industries, a summary of solutions, like preparation of refractive index‐tuned slurries, a method to assist in finding printing parameters, and using nanosize powders in mixed slurries, is elucidated. Details of the future research directions pertaining to the method for utilizing carbon‐free photopolymer binder, multistage debinding‐sintering cycles, and incorporating machine‐learning‐assisted real‐time monitoring to achieve defect‐free, industrial‐scale production are mentioned. This work provides a template to fully realize DLP‐AM's potential as a flexible, effective platform for advanced casting workflows and various metallic material fabrication.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Additive Manufacturing and 3D Printing Technologies · Additive Manufacturing Materials and Processes · Innovations in Concrete and Construction Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Mechanical and Industrial Engineering Faculty of Engineering Universitas Gadjah Mada Jl. Grafika 2 Yogyakarta 55281 Indonesia
Centre for Innovation of Medical Equipment and Devices (CIMEDs) Universitas Gadjah Mada Jl. Teknika Utara Yogyakarta 55281 Indonesia
Department of Mechanical Engineering Faculty of Engineering Sebelas Maret University Jl. Ir Sutami 36A Surakarta 57126 Indonesia
Department of Mechanical Engineering Faculty of Engineering Tidar University Jl. Kapten Suparman 39 Magelang 56116 Indonesia
Department of Industrial Engineering Faculty of Advanced Technology Universitas Airlangga Jl. Dr. Ir. H. Soekarno Surabaya 60115 Indonesia
Department of Mechanical Engineering Faculty of Engineering Universiti Malaya Jalan Professor Diraja Ungku Aziz Kuala Lumpur 50603 Malaysia
Centre of Advanced Manufacturing and Material Processing (AMMP Centre) Universiti Malaya Kuala Lumpur 50603 Malaysia
Centre of Foundation Studies in Science Universiti Malaya Kuala Lumpur 50603 Malaysia
College of Design and Engineering National University of Singapore Block EA #07‐08, 9 Engineering Drive 1 117575 Singapore
Department of Materials Science and Engineering Indian Institute of Technology, Delhi Hauz Khas New Delhi 110016 India
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