....% Fe filament and a desktop printer. Air thermal debinding was screened by varying heating rate and crucible configuration, and assessed by mass loss and cross-sectional analysis. Using the best cycle, parts were sintered at three temperatures under low vacuum; additional specimens underwent continuous...

... part by calculating debinding rate. The influence mechanism of sintering temperatures on the microstructure and shrinkage was elaborated. Design/methodology/approach The extrusion-based FFF in manufacturing copper parts can overcome shortcomings for high reflectivity and heat dissipation in laser...

... preparation and solvent/catalytic debinding, the study aims to streamline the low-cost production process of metallic components while maintaining high mechanical performance. The research also seeks to evaluate the effects of different sintering temperatures and times on the mechanical properties...

...Elisa Torresani; Alberto Cabo Rios; Thomas Grippi; Andrii L. Maximenko; Marco Zago; Ilaria Cristofolini; Eugene A. Olevsky Purpose This study aims to provide understanding of the influence of external factors, such as gravity, during sintering of three dimensional (3D)-printed parts in which...

... a three-step printing, debinding and sintering process to obtain fully dense metallic parts. However, research on ME AM, specifically fused filament fabrication (FFF) of 316L SS, has mainly focused on improving densification and mechanical properties during the post-printing stage; sintering parameters...

..., this capability bridges the need for metallic components in complex manufacturing processes. The research is to explore the manufacturability of multi-metal parts by printing green bodies of PLA/multi-metal objects, carrying these objects to the debinding process and varying the sintering parameters. Design...

...Shahrooz Sadeghi Borujeni; Gursimran Singh Saluja; Vasily Ploshikhin Purpose This study aims at compensating for sintering deformation of components manufactured by metal binder jetting (MBJ) technology. Design/methodology/approach In the present research, numerical simulations are used...

...Tobia Romano; Emanuele Migliori; Marco Mariani; Nora Lecis; Maurizio Vedani Purpose Binder jetting is a promising route to produce complex copper components for electronic/thermal applications. This paper aims to lay a framework for determining the effects of sintering parameters on the final...

...Chanun Suwanpreecha; Anchalee Manonukul Purpose The purpose of this paper is to systematically investigate the influence of build orientation on the anisotropic as-printed and as-sintered bending properties of 17-4PH stainless steel fabricated by metal fused filament fabrication (MFFF). Design...

... and incorporates the manufacturing of the implant via a novel rapid prototyping assisted microwave sintering process. Findings The elastic modulus and the flexural strength of the implant were observed to be comparable to that of human elbow bones. The fatigue test depicts that the implant survives the one...

... of use and versatility. However, powder-based methods such as Selective Laser Melting (SLM) and Sintering (SLS), utilizes high power lasers which generate thermal shock conditions in metals and are not ideal for ceramics due to their high melting temperature. Indirect additive manufacturing methods have...

... for the Ni components, respectively. Results also show an increase in the final sintered relative density with an increase in green (printed) relative density of the solvent jetted SS316L components, with the highest relative density being 87.2%. Originality/value The paper studies the influence...

... pressureless sintering (UAPS). Design/methodology/approach Four different Cu-Gn compositions with 0.25, 0.5, 1 and 1.5 per cent of graphene were fabricated using an amalgamation of three-dimensional printing and UAPS. The polymer 3d printed parts were used to prepare mould cavity and later the UAPS process...

...Nickolas D. Polychronopoulos; John Vlachopoulos Purpose This study aims to develop mathematical models for the determination of the effects of heating or cooling on neck growth in Selective Laser Sintering (SLS) and Fused Filament Fabrication (FFF). Two particle shapes are studied: spherical...

... was mirrored and copied on the infected part, which served as a base for designing the implant. The prototype of the implant was printed using fused deposition modelling before finally printing in Ti6Al4V alloy using direct metal laser sintering process. Findings The custom designed implant fitted well...

... laser beam without the use of binders. Design/methodology/approach Selective laser sintering or melting (SLS/SLM) techniques are first introduced, followed by analysis of results from silica (SiO₂), zirconia (ZrO₂) and ceramic-reinforced metal matrix composites processed...

...Mengqi Yuan; David Bourell Purpose – This paper aims to analyze the additive manufacturing orientation effect of laser sintered polyamide 12 (PA 12) optically translucent parts. Design/methodology/approach – Plates with small features, wedges and lithophanes were laser sintered...

...Ming Fang; Baijin Chen Purpose – The purpose of this paper is to report the investigation on obtaining a high-porosity Cu-based structure which was sintered successfully using direct laser sintering and to reveal the mechanisms of obtaining high porosity and acceptable strength simultaneously...

... cycles. Specifically, the authors varied powder size and sintering cycles to explore their effects on densification. Findings – Three differently sized copper powders were successfully printed, followed by sintering in a reducing atmosphere. It was found that a 15-μm-diameter powder...

...Dai Cheng; Haihong Zhu; Linda Ke Purpose This paper aimed to investigate the plasma characteristics of selective laser micro sintering Cu‐based metal powder using spectra method. Design/methodology/approach Temporal and time integrating plasma induced during selective laser micro sintering Cu...