Recent advances in additive manufacturing of engineering thermoplastics: challenges and opportunities

Picard, Maisyn; Mohanty, Amar K.; Misra, Manjusri

doi:10.1039/d0ra04857g

Cited by 69 publications

(37 citation statements)

References 192 publications

(293 reference statements)

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“…The automotive sector is one of the many applications of AM to fabricate complex shaped components by various types of 3D printing such as FFF-based 3D printing, SLS-based 3D printing. 13,63 Few of aerospace and automotive components consist of complex geometries and are highly costly and time consuming when prepared using conventional techniques such as injection molding. 128 Thus, 3D printing is an extremely appropriate technique for the manufacturing of such components.…”

Section: Automotive Sectormentioning

confidence: 99%

Additive manufacturing technology of polymeric materials for customized products: recent developments and future prospective

2021

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Section: Automotive Sectormentioning

confidence: 99%

Additive manufacturing technology of polymeric materials for customized products: recent developments and future prospective

2021

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“…Most recently, an innovative strategy was developed to modify rough surface and interconnecting porous structure of Ti interference screws through additive manufacturing (AM) technology [ 9 ]. Although the novel AM interference screws with favorable stiffness and porosity demonstrated improved tendon-bone-implant integration, the impaired mechanical performance may be a disadvantage preventing the adaptation of 3D printing into product development [ 10 ]. In addition, these metallic screws cause imaging artifacts, thus, precluding proper assessment by MRI [ 11 ].…”

Section: Introductionmentioning

confidence: 99%

Clinical translation and challenges of biodegradable magnesium-based interference screws in ACL reconstruction

Luo

Zhang

Wang³

et al. 2021

Bioactive Materials

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As one of the most promising fixators developed for anterior cruciate ligament (ACL) reconstruction, biodegradable magnesium (Mg)-based interference screws have gained increasing attention attributed to their appropriate modulus and favorable biological properties during degradation after surgical insertion. However, its fast degradation and insufficient mechanical strength have also been recognized as one of the major causes to limit their further application clinically. This review focused on the following four parts. Firstly, the advantages of Mg or its alloys over their counterparts as orthopaedic implants in the fixation of tendon grafts in ACL reconstruction were discussed. Subsequently, the underlying mechanisms behind the contributions of Mg ions to the tendon-bone healing were introduced. Thirdly, the technical challenges of Mg-based interference screws towards clinical trials were discussed, which was followed by the introduction of currently used modification methods for gaining improved corrosion resistance and mechanical properties. Finally, novel strategies including development of Mg/Titanium (Ti) hybrid fixators and Mg-based screws with innovative structure for achieving clinically customized therapies were proposed. Collectively, the advancements in the basic and translational research on the Mg-based interference screws may lay the foundation for exploring a new era in the treatment of the tendon-bone insertion (TBI) and related disorders.

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“…The most commonly studied bioplastics for extrusion based 3D printing include PLA [ 13 ], polycaprolactone [ 14 ], or blends of bioplastics [ 15 ]. However, many of these bioplastics have comparatively low melting temperatures and limited mechanical performances, as compared to engineering thermoplastics [ 16 ]. To counter these limitations, engineering thermoplastics derived from organic sources are gaining popularity.…”

Section: Introductionmentioning

confidence: 99%

Extrusion Based 3D Printing of Sustainable Biocomposites from Biocarbon and Poly(trimethylene terephthalate)

et al. 2021

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Three-dimensional (3D) printing manufactures intricate computer aided designs without time and resource spent for mold creation. The rapid growth of this industry has led to its extensive use in the automotive, biomedical, and electrical industries. In this work, biobased poly(trimethylene terephthalate) (PTT) blends were combined with pyrolyzed biomass to create sustainable and novel printing materials. The Miscanthus biocarbon (BC), generated from pyrolysis at 650 °C, was combined with an optimized PTT blend at 5 and 10 wt % to generate filaments for extrusion 3D printing. Samples were printed and analyzed according to their thermal, mechanical, and morphological properties. Although there were no significant differences seen in the mechanical properties between the two BC composites, the optimal quantity of BC was 5 wt % based upon dimensional stability, ease of printing, and surface finish. These printable materials show great promise for implementation into customizable, non-structural components in the electrical and automotive industries.

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Recent advances in additive manufacturing of engineering thermoplastics: challenges and opportunities

Abstract: There are many limitations within three-dimensional (3D) printing that hinder its adaptation into industries such as biomedical, cosmetic, processing, automotive, aerospace, and electronics.

Cited by 69 publications

References 192 publications

Additive manufacturing technology of polymeric materials for customized products: recent developments and future prospective

Additive manufacturing technology of polymeric materials for customized products: recent developments and future prospective

Clinical translation and challenges of biodegradable magnesium-based interference screws in ACL reconstruction

Extrusion Based 3D Printing of Sustainable Biocomposites from Biocarbon and Poly(trimethylene terephthalate)

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