Energy Absorption of 3D Printed ABS and TPU Multimaterial Honeycomb Structures

Khatri, Nava Raj; Egan, Paul

doi:10.1089/3dp.2022.0196

Cited by 4 publications

(2 citation statements)

References 48 publications

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“…Further studies in lattice mechanics have investigated energy absorption for multimaterial honeycomb structures printed with ABS and TPU by measuring the area under the force-displacement curve [85]. The study found that adding material bands of TPU to ABS hexagonal honeycombs resulted in a linear decrease in energy absorption from 15.1 to 2.9 kN•mm, which was linearly proportional to the amount of TPU added for out-ofplane testing.…”

Section: Testingmentioning

confidence: 99%

Design for Additive Manufacturing: Recent Innovations and Future Directions

Egan

2023

Designs

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Design for additive manufacturing (DfAM) provides a necessary framework for using novel additive manufacturing (AM) technologies for engineering innovations. Recent AM advances include shaping nickel-based superalloys for lightweight aerospace applications, reducing environmental impacts with large-scale concrete printing, and personalizing food and medical devices for improved health. Although many new capabilities are enabled by AM, design advances are necessary to ensure the technology reaches its full potential. Here, DfAM research is reviewed in the context of Fabrication, Generation, and Assessment phases that bridge the gap between AM capabilities and design innovations. Materials, processes, and constraints are considered during fabrication steps to understand AM capabilities for building systems with specified properties and functions. Design generation steps include conceptualization, configuration, and optimization to drive the creation of high-performance AM designs. Assessment steps are necessary for validating, testing, and modeling systems for future iterations and improvements. These phases provide context for discussing innovations in aerospace, automotives, construction, food, medicine, and robotics while highlighting future opportunities for design services, bio-inspired design, fabrication robots, and machine learning. Overall, DfAM has positively impacted diverse engineering applications, and further research has great potential for driving new developments in design innovation.

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Section: Testingmentioning

confidence: 99%

Design for Additive Manufacturing: Recent Innovations and Future Directions

Egan

2023

Designs

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“…Printing was made on ABS plastic [11] using the Flashforge Creator Pro printer. The main printing parameters and modes are given in Table 1.…”

Section: Fig 1 Developed Test Items For Conducting Researchmentioning

confidence: 99%

Improving printed products manufacturing technology using 3D printing

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Kushlyk-Dyvulska

et al. 2023

EEJET

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The aim of the paper is to analyze the state of the printing industry in the current conditions, learn reproduction technologies on non-absorbent surfaces, and study modern technological processes of obtaining products based on 3D printing, which is the research object. The problem lies in the lack of general recommendations for using the above technology to produce printed products or their elements. The main factors affecting the quality of finished products have been determined. The criterion to compare possible options for creating printed products was selected, namely, the examination method was considered. After processing the expert group summary, the consistency degree of opinions was determined using Kendall’s concordance coefficient. The most significant factor was identified, and further research is focused on it. Layer-by-layer deposition modeling was chosen as the technology for creating the test. Test fragments were developed, and materials and equipment to run the experiment were selected. A quantitative and qualitative assessment of the quality of 3D printing was carried out. Following the conducted research, the shortcomings were taken into account, and a number of recommendations for further creation of the forthcoming high-quality product were made. Those recommendations refer to the optimal line width (1.5 points and more), typeface origin and font size (20 points and above) for the reproduction of text information, and thickness of the element base of printed products (minimum 2.5–3 mm). The above recommendations allow a 3D printing product and its elements to achieve a remarkable quality level and visual appeal, as well as enable enterprises to use it as the basis of technological instructions for applying modern technologies.

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