Additive manufacturing -3D printing

The latest publications in this offer are:

• July 10, 2026

  BM7908

  Additive Manufacturing of Polymers: Technologies, Materials, and Perspectives

  This article provides an overview of additive manufacturing technologies applied to polymers, highlighting advantages such as cost-effectiveness, lightweight design, recyclability, and design freedom. It presents the fundamental principles and classifications, as well as the advantages and limitations compared with conventional techniques. The main technologies, including extrusion, photopolymerization, powder bed fusion, material jetting, and direct ink writing, are analyzed in terms of mechanisms, materials, and applications. The article also addresses current challenges and future perspectives, notably 4D printing.

• July 10, 2026

  BM7900

  Selective laser melting of metallic powder bed

  Selective laser melting of a metal powder bed is an additive manufacturing technique that allows the production of complex parts up to medium runs for various industries such as medical or aerospace. To make the most of this technology, it has to be integrated into a complete value chain from upstream design conception to downstream post- treatment. This article deals with this complete value chain. After nearly a decade of commercial life, this technology is evolving toward a standard framework that is under construction worldwide.

• June 10, 2026

  BM7017

  Additive manufacturing. General principles

  Additive Manufacturing (AM) has grown considerably in recent years. The gradual transition from prototyping activities to direct manufacturing of functional parts undermines traditional methods of design and manufacturing based on conventional methods. This article focuses on the different AM technologies and fields of use throughout product life cycles. Various industrial applications are described through examples from the advanced technology sector.

• May 10, 2026

  RE412

  Plasticization of a corn protein for Additive Manufacturing

  The Additive Manufacturing by molten Material Extrusion (AM-ME) of natural biopolymers opens up major prospects in pharmaceutical or biomedical field, for the custom production of edible and resorbable parts. This paper shows the interest and challenges to be met for the use of plant-based biopolymers using this 3D printing process. Based on the study of zein, a storage protein by-product of corn starch production, this paper details its suitability for AM-ME specifications by investigating its thermomechanical and rheological properties, as well as determining its adhesion abilities in the molten state.

• April 10, 2026

  BM7905

  Metal Binder Jetting - MBJ

  Metal binder jetting (MBJ) is an additive manufacturing (AM) process. The shaping of metal parts by MBJ is comparable to inkjet printing technologies on paper. It aims to achieve higher production rates than other AM processes, combined with complex and very fine levels of detail. The printed part is sintered to achieve its final dimensions and mechanical properties. The purpose of this article is to present the specific features of all the steps involved in shaping and consolidation, in terms of design, parameterization, production flow, and post-processing.

• January 12, 2026

  N4610 Reviewed

  3D knitted fabrics: knitting additive manufacturing

  It is new to consider knitting as an additive manufacturing process. We describe here the potential of this old process for 3D complex shapes. The uses are very common and have direct commercial applications or could be used in the future and constitute at present some research subjects. This article introduces knitting and knitted fabrics basics to lead the reader to understand the link between the process and the product and then the knitting methods used to obtain various 3D objects. A categorisation of these knitted fabrics is proposed, with their method of production and their existing or potential applications.

• December 10, 2025

  BM7941

  Additive Manufacturing : a new way to design - Topological optimization, design taking into account the constraints of a range of additive manufacturing processes

  This article explores additive manufacturing (AM) and structural design, focusing on an optimized flange for a robotic arm. It details topological optimization using SolidWorks®, aiming to minimize mass while maximizing stiffness, with constraints such as a safety coefficient. The flange, initially weighing 692 g, weighs 156 g (-78%) in aluminum and 67 g (-90%) in PA11. AM allows for parts with complex geometries to be manufactured, but requires supports and adjustments to manufacturing process parameters ; this methodology is detailed.

• October 10, 2025

  BM7950

  Additive manufacturing: controls

  Additive manufacturing is increasingly used in industry and the medical sector. However, the technology can be fully adopted only if there is proof that the characteristics of the additive manufactured parts are equivalent to those produced traditionally. Inspections are required at all stages of the manufacturing process chain: feedstock, material, finished part and machinery. After a reminder of some basics, this article specifies the inspections needed in additive manufacturing. These are then presented in detail, and characterization methods are proposed.

• October 10, 2025

  BM7927

  Nano/micro 3D Manufacturing

  3D printing emerged through the coupling of material and energy, with stereolithography as the first technology. This process relies on spatially resolved single-photon polymerization. Since then, other processes have been developed, drawing closer to those derived from nanotechnologies, microtechnologies, and microelectronics. Among these achievements, a technique stemming from single photon stereolithography particularly sto-od out: multi-photon polymerization. Where relevant, this article highlights potential applications of these 3D printing techniques, keeping in mind the need to design nano- and microdevices that remain manipulable.

• July 8, 2025

  BM7980 Reviewed

  Intellectual Property and Regulatory Issues in 3D Printing

  3D printing is a vector of innovation, but is likely to undermine all intellectual property rights, and so weaken them. Its formidable growth must undoubtedly be taken primarily as a real opportunity, but like any new technology, it cannot stand outside the law, even if it causes some of the rules to change. This article analyzes these risks in terms of security and infringement of rights, and demonstrates that technical and legal solutions can be found to support the expansion of its use, provided a paradigm shift is made.

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