State of the art direct ink writing (DIW) and experimental trial on DIW of HAp bio-ceramics

Ashwin, A.J.; Jafferson, J.M.

doi:10.1016/j.matpr.2021.02.396

Cited by 15 publications

(7 citation statements)

References 66 publications

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“…A greater degree of flexibility can be realized in serving the strategic fields by developing an omnidirectional director pattern. Despite a few reports of omnidirectional printing, [ 113,315,362 ] vertical building remains a challenge for the present DIW technology because of the structural deformation [ 363 ] or failure caused by the structures’ self‐weight. This is a problem that gets intensified as we try to move towards larger production due to the sagging of the large overhangs and long beams in bulk structures.…”

Section: Current Challenges and Limitationsmentioning

confidence: 99%

Direct Ink Writing: A 3D Printing Technology for Diverse Materials

et al. 2022

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Additive manufacturing (AM) has gained significant attention due to its ability to drive technological development as a sustainable, flexible, and customizable manufacturing scheme. Among the various AM techniques, direct ink writing (DIW) has emerged as the most versatile 3D printing technique for the broadest range of materials. DIW allows printing of practically any material, as long as the precursor ink can be engineered to demonstrate appropriate rheological behavior. This technique acts as a unique pathway to introduce design freedom, multifunctionality, and stability simultaneously into its printed structures. Here, a comprehensive review of DIW of complex 3D structures from various materials, including polymers, ceramics, glass, cement, graphene, metals, and their combinations through multimaterial printing is presented. The review begins with an overview of the fundamentals of ink rheology, followed by an in‐depth discussion of the various methods to tailor the ink for DIW of different classes of materials. Then, the diverse applications of DIW ranging from electronics to food to biomedical industries are discussed. Finally, the current challenges and limitations of this technique are highlighted, followed by its prospects as a guideline toward possible futuristic innovations.

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Section: Current Challenges and Limitationsmentioning

confidence: 99%

Direct Ink Writing: A 3D Printing Technology for Diverse Materials

et al. 2022

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“…More importantly, each AM technique has its own strengths and weaknesses, and the range of available materials varies dramatically. For example, DIW 3D printing requires inks with high viscosity and significant shear thinning behavior [ 149 ], while inkjet-based 3D printing, such as material jetting, requires low-viscosity inks with tightly controlled physical properties, such as stable surface tension [ 150 , 151 ]. Obviously, different materials have their own unique processing requirement needs while also providing the final 3D objects with multifunctionality.…”

Section: Systematic Review Of Current Researchmentioning

confidence: 99%

Scientometric Analysis and Systematic Review of Multi-Material Additive Manufacturing of Polymers

et al. 2021

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Multi-material additive manufacturing of polymers has experienced a remarkable increase in interest over the last 20 years. This technology can rapidly design and directly fabricate three-dimensional (3D) parts with multiple materials without complicating manufacturing processes. This research aims to obtain a comprehensive and in-depth understanding of the current state of research and reveal challenges and opportunities for future research in the area. To achieve the goal, this study conducts a scientometric analysis and a systematic review of the global research published from 2000 to 2021 on multi-material additive manufacturing of polymers. In the scientometric analysis, a total of 2512 journal papers from the Scopus database were analyzed by evaluating the number of publications, literature coupling, keyword co-occurrence, authorship, and countries/regions activities. By doing so, the main research frame, articles, and topics of this research field were quantitatively determined. Subsequently, an in-depth systematic review is proposed to provide insight into recent advances in multi-material additive manufacturing of polymers in the aspect of technologies and applications, respectively. From the scientometric analysis, a heavy bias was found towards studying materials in this field but also a lack of focus on developing technologies. The future trend is proposed by the systematic review and is discussed in the directions of interfacial bonding strength, printing efficiency, and microscale/nanoscale multi-material 3D printing. This study contributes by providing knowledge for practitioners and researchers to understand the state of the art of multi-material additive manufacturing of polymers and expose its research needs, which can serve both academia and industry.

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“…Contraction is a mechanical phenomenon produced by cells moving around on a substrate. During the bone-implant interface healing, contraction results from cell migration during fibroplasia, angiogenesis and modelling [153][154][155]. Fibroplastics and modelling adhere to the fibrin network and start moving in an attempt to colonise the implant surface by fibroblasts and osteoprogenitor cells.…”

Section: Mechanical and Cell Activity Of Bone-implant Interfacementioning

confidence: 99%