Additive manufacturing of multi-material structures
Amit Bandyopadhyay,Bryan Heer +1 more
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TLDR
In this article, the authors highlight the range of 3D printed polymer-based, metal-metal, and metal-ceramic applications while discussing advantages and challenges with additively manufactured multi-material structures.Abstract:
Additive manufacturing (AM) or 3D printing has revolutionized the manufacturing world through its rapid and geometrically-intricate capabilities as well as economic benefits. Countless businesses in automotive, aerospace, medical, and even food industries have adopted this approach over the past decade. Though this revolution has sparked widespread innovation with single material usage, the manufacturing world is constantly evolving. 3D printers now have the capability to create multi-material systems with performance improvements in user-definable locations. This means throughout a single component, properties like hardness, corrosion resistance, and environmental adaptation can be defined in areas that require it the most. These new processes allow for exciting multifunctional parts to be built that were never possible through traditional, single material AM processes. AM of metals, ceramics, and polymers is currently being evaluated to combine multiple materials in one operation and has already produced never-before-produced parts. While multi-material AM is still in its infancy, researchers are shifting their mindset toward this unique approach showing that the technology is beginning to advance past a research and development stage into real-world applications. This review is intended to highlight the range of 3D printed polymer-based, metal-metal, and metal-ceramic applications while discussing advantages and challenges with additively manufactured multi-material structures.read more
Citations
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Materials for additive manufacturing
David L. Bourell,Jean-Pierre Kruth,Ming C. Leu,Gideon Levy,David W. Rosen,Allison M. Beese,Adam T. Clare +6 more
TL;DR: In this article, the service properties of AM parts are described, including physical, mechanical, optical and electrical properties, and an additive manufacturability index is proposed, based on the seven categories of ISO/ASTM AM categories.
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TL;DR: A review of hydrogel-based biomaterial inks and bioinks for 3D printing can be found in this paper, where the authors provide a comprehensive overview and discussion of the tailorability of material, mechanical, physical, chemical and biological properties.
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Material-structure-performance integrated laser-metal additive manufacturing.
TL;DR: In this article, a holistic concept of material-structure-performance integrated additive manufacturing (MSPI-AM) is proposed to cope with the extensive challenges of laser-based additive manufacturing.
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Revisiting fundamental welding concepts to improve additive manufacturing: From theory to practice
TL;DR: In this article, a unified equation to compute the energy density is proposed to compare works performed with distinct equipment and experimental conditions, covering the major process parameters: power, travel speed, heat source dimension, hatch distance, deposited layer thickness and material grain size.
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Multi-Material 3D and 4D Printing: A Survey
TL;DR: Several types of 3D and 4D printing technologies are compared and the advantages and disadvantages of each technology are discussed, and new avenues for the development of multi‐material 3D or 4D printed objects are proposed.
References
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Journal ArticleDOI
Laser additive manufacturing of metallic components: materials, processes and mechanisms
TL;DR: Additive manufacturing implies layer by layer shaping and consolidation of powder feedstock to arbitrary configurations, normally using a computer controlled laser as discussed by the authors, which is based on a novel materials incremental manufacturing philosophy.
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Additive manufacturing and its societal impact: a literature review
TL;DR: In this article, the societal impact of additive manufacturing from a technical perspective is reviewed, and an abundance of evidences are found to support the promises of additive-manufacturing in the following areas: (1) customized healthcare products to improve population health and quality of life, (2) reduced environmental impact for manufacturing sustainability, and (3) simplified supply chain to increase efficiency and responsiveness in demand fulfillment.
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Progress in Additive Manufacturing and Rapid Prototyping
TL;DR: Rapid prototyping generally refers to techniques that produce shaped parts by gradual creation or addition of solid material, therein differing fundamentally from forming and material removal manufacturing techniques as mentioned in this paper. But it is not suitable for all applications.
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Design for additive manufacturing: trends, opportunities, considerations, and constraints
Mary Kathryn Thompson,Giovanni Moroni,Thomas H.J. Vaneker,Georges M. Fadel,R. Ian Campbell,Ian Gibson,Alain Bernard,Joachim Schulz,Patricia Graf,Bhrigu Ahuja,Filomeno Martina +10 more
TL;DR: In the case of aircraft components, AM technology enables low-volume manufacturing, easy integration of design changes and, at least as importantly, piece part reductions to greatly simplify product assembly.
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Highly oriented carbon fiber–polymer composites via additive manufacturing
Halil Tekinalp,Vlastimil Kunc,Gregorio M. Velez-Garcia,Chad E. Duty,Lonnie J. Love,Amit K. Naskar,Craig A. Blue,Soydan Ozcan +7 more
TL;DR: In this paper, the authors investigated the short fiber (02 mm to 04 mm) reinforced acrylonitrile-butadiene-styrene composites as a feedstock for 3D-printing in terms of their processibility, microstructure and mechanical performance.