Fabrication of localized diamond-filled copper structures via selective laser melting and spark plasma sintering

Rahmani, Ramin; Karimi, J.; Kamboj, Nikhil; Kumar, Rahul; Brojan, Miha; Tchórz, Adam; Skrabalak, Grzegorz; Lopes, Sérgio Ivan

doi:10.1016/j.diamond.2023.109916

Cited by 11 publications

(6 citation statements)

References 39 publications

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“…However, on the contrary, there is very limited progress and development of TPMS bioceramics surface, although there is a recent study existing in the literature. Furthermore, recently, ceramics powders are incorporated into metal lattices by consolidating through spark plasma sintering [47] for biomedical applications [48]. Usually, bioceramics are not well suited for shorter wavelengths and higher frequencies.…”

Section: Discussion and Potential Developmentsmentioning

confidence: 99%

Bioinert ceramics scaffolds for bone tissue engineering by laser-based powder bed fusion: a preliminary review

Kamboj,

Piili,

Ganvir

et al. 2023

IOP Conf. Ser.: Mater. Sci. Eng.

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The implementation of laser powder bed fusion (PBF-LB) on ceramics is far more demanding than their metallic and polymeric counterparts for bone tissue engineering (BTE). The review will shed light on bioinert ceramics-based biomaterials manufacturing through PBF-LB incorporating alumina and yttria-stabilized zirconia as oxide-based ceramics and nitride-based ceramics as non-oxide-based ceramics with particular prominence on their properties and requirements for biomedical devices and BTE. The review paper will also classify bioinert scaffolds processed through PBF-LB as a medium to manufacture drug delivery systems (DDS) and to ameliorate critical-sized bone defects based on the fracture site length of the bone with the various modes of functionalization through the incorporation of drugs, stem cells, and growth factors for personalized medicine.

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Section: Discussion and Potential Developmentsmentioning

confidence: 99%

Bioinert ceramics scaffolds for bone tissue engineering by laser-based powder bed fusion: a preliminary review

Kamboj,

Piili,

Ganvir

et al. 2023

IOP Conf. Ser.: Mater. Sci. Eng.

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“…Investigating the effects of multiple structural elements (multi-bioinspired) acting in synergy and understanding the role of self-healing and structural hierarchy on wear resistance are also essential for future progress. Finally, optimal utilization of materials, porosity, and fluids for superior lubrication, heat transfer, etc., is of interest in numerous applications [53,388,389]. Apart from this, the creation of efficient databases and computational models supported by a machine learning approach for ease in technology transfer will aid in broadening the range of knowledge and collaboration [382,384].…”

Section: Challenges and Future Prospects In Bioinspired Tribologymentioning

confidence: 99%

Bioinspired and Multifunctional Tribological Materials for Sliding, Erosive, Machining, and Energy-Absorbing Conditions: A Review

Kumar,

Rezapourian,

Rahmani

et al. 2024

Biomimetics

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Friction, wear, and the consequent energy dissipation pose significant challenges in systems with moving components, spanning various domains, including nanoelectromechanical systems (NEMS/MEMS) and bio-MEMS (microrobots), hip prostheses (biomaterials), offshore wind and hydro turbines, space vehicles, solar mirrors for photovoltaics, triboelectric generators, etc. Nature-inspired bionic surfaces offer valuable examples of effective texturing strategies, encompassing various geometric and topological approaches tailored to mitigate frictional effects and related functionalities in various scenarios. By employing biomimetic surface modifications, for example, roughness tailoring, multifunctionality of the system can be generated to efficiently reduce friction and wear, enhance load-bearing capacity, improve self-adaptiveness in different environments, improve chemical interactions, facilitate biological interactions, etc. However, the full potential of bioinspired texturing remains untapped due to the limited mechanistic understanding of functional aspects in tribological/biotribological settings. The current review extends to surface engineering and provides a comprehensive and critical assessment of bioinspired texturing that exhibits sustainable synergy between tribology and biology. The successful evolving examples from nature for surface/tribological solutions that can efficiently solve complex tribological problems in both dry and lubricated contact situations are comprehensively discussed. The review encompasses four major wear conditions: sliding, solid-particle erosion, machining or cutting, and impact (energy absorbing). Furthermore, it explores how topographies and their design parameters can provide tailored responses (multifunctionality) under specified tribological conditions. Additionally, an interdisciplinary perspective on the future potential of bioinspired materials and structures with enhanced wear resistance is presented.

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“…Currently, fabricating pure Cu using the conventional LPBF route poses a significant challenge [153]. The typical approach involves an infrared laser with a wavelength around 1000 nm or higher [154].…”

Section: In Vivo In Vitro and In Silico Studiesmentioning

confidence: 99%

Selective Laser Melting and Spark Plasma Sintering: A Perspective on Functional Biomaterials

Rahmani,

Lopes,

Prashanth

2023

JFB

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Achieving lightweight, high-strength, and biocompatible composites is a crucial objective in the field of tissue engineering. Intricate porous metallic structures, such as lattices, scaffolds, or triply periodic minimal surfaces (TPMSs), created via the selective laser melting (SLM) technique, are utilized as load-bearing matrices for filled ceramics. The primary metal alloys in this category are titanium-based Ti6Al4V and iron-based 316L, which can have either a uniform cell or a gradient structure. Well-known ceramics used in biomaterial applications include titanium dioxide (TiO2), zirconium dioxide (ZrO2), aluminum oxide (Al2O3), hydroxyapatite (HA), wollastonite (W), and tricalcium phosphate (TCP). To fill the structures fabricated by SLM, an appropriate ceramic is employed through the spark plasma sintering (SPS) method, making them suitable for in vitro or in vivo applications following minor post-processing. The combined SLM-SPS approach offers advantages, such as rapid design and prototyping, as well as assured densification and consolidation, although challenges persist in terms of large-scale structure and molding design. The individual or combined application of SLM and SPS processes can be implemented based on the specific requirements for fabricated sample size, shape complexity, densification, and mass productivity. This flexibility is a notable advantage offered by the combined processes of SLM and SPS. The present article provides an overview of metal–ceramic composites produced through SLM-SPS techniques. Mg-W-HA demonstrates promise for load-bearing biomedical applications, while Cu-TiO2-Ag exhibits potential for virucidal activities. Moreover, a functionally graded lattice (FGL) structure, either in radial or longitudinal directions, offers enhanced advantages by allowing adjustability and control over porosity, roughness, strength, and material proportions within the composite.

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Fabrication of localized diamond-filled copper structures via selective laser melting and spark plasma sintering

Cited by 11 publications

References 39 publications

Bioinert ceramics scaffolds for bone tissue engineering by laser-based powder bed fusion: a preliminary review

Bioinert ceramics scaffolds for bone tissue engineering by laser-based powder bed fusion: a preliminary review

Bioinspired and Multifunctional Tribological Materials for Sliding, Erosive, Machining, and Energy-Absorbing Conditions: A Review

Selective Laser Melting and Spark Plasma Sintering: A Perspective on Functional Biomaterials

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