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Additive manufacturing of metallic and polymeric load-bearing biomaterials using laser powder bed fusion: A review

Nouri, Alireza ; Rohani Shirvan, Anahita ; Li, Yuncang ; Wen, Cuie

Journal of materials science & technology, 2021-12, Vol.94, p.196-215 [Periódico revisado por pares]

Elsevier Ltd

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  • Título:
    Additive manufacturing of metallic and polymeric load-bearing biomaterials using laser powder bed fusion: A review
  • Autor: Nouri, Alireza ; Rohani Shirvan, Anahita ; Li, Yuncang ; Wen, Cuie
  • Assuntos: Additive manufacturing ; Load-bearing biomaterials ; Powder bed fusion (PBF) ; Selective laser melting (SLM) ; Selective laser sintering (SLS)
  • É parte de: Journal of materials science & technology, 2021-12, Vol.94, p.196-215
  • Descrição: Surgical prostheses and implants used in hard-tissue engineering should satisfy all the clinical, mechanical, manufacturing, and economic requirements in order to be used for load-bearing applications. Metals, and to a lesser extent, polymers are promising materials that have long been used as load-bearing biomaterials. With the rapid development of additive manufacturing (AM) technology, metallic and polymeric implants with complex structures that were once impractical to manufacture using traditional processing methods can now easily be made by AM. This technology has emerged over the past four decades as a rapid and cost-effective fabrication method for geometrically complex implants with high levels of accuracy and precision. The ability to design and fabricate patient-specific, customized structural biomaterials has made AM a subject of great interest in both research and clinical settings. Among different AM methods, laser powder bed fusion (L–PBF) is emerging as the most popular and reliable AM method for producing load-bearing biomaterials. This layer-by-layer process uses a high-energy laser beam to sinter or melt powders into a part patterned by a computer-aided design (CAD) model. The most important load-bearing applications of L–PBF-manufactured biomaterials include orthopedic, traumatological, craniofacial, maxillofacial, and dental applications. The unequalled design freedom of AM technology, and L–PBF in particular, also allows fabrication of complex and customized metallic and polymeric scaffolds by altering the topology and controlling the macro-porosity of the implant. This article gives an overview of the L–PBF method for the fabrication of load-bearing metallic and polymeric biomaterials. •L-PBF for manufacturing of load-bearing biomaterials is systematically reviewed.•SLS is typically used in processing of polymers, ceramics, and their composites.•SLM and DMLS are used in manufacturing of metals and alloys.•Applications of L–PBF technology in orthopaedics and dentistry are discussed. [Display omitted]
  • Editor: Elsevier Ltd
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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