Rapid Prototyping Journal: Volume 29 Issue 9

Sine-based lattice plates: additive manufacturing and their mechanical properties when loaded out of plane

Diana L. Ramírez-Gutiérrez, Enrique Cuan-Urquizo, Rita Q. Fuentes-Aguilar

Demanding applications could benefit from the mathematical parametrization of lattice structures as this could lead not only to the characterization of structure–property relation…

Additive manufacturing of Inconel-625: from powder production to bulk samples printing

Asif Ur Rehman, Burak Karakas, Muhammad Arif Mahmood, Berkan Başaran, Rashid Ur Rehman, Mertcan Kirac, Marwan Khraisheh, Metin Uymaz Salamci, Rahmi Ünal

For metal additive manufacturing, metallic powders are usually produced by vacuum induction gas atomization (VIGA) through the breakup of liquid metal into tiny droplets by gas…

Experimental characterization of the mechanical properties of 3D printed TPU auxetic cellular materials under cyclic compressive loadings

Amador Chapa, Enrique Cuan-Urquizo, PD Urbina-Coronado, Armando Roman-Flores

Fused filament fabrication (FFF) is a popular technique in rapid prototyping capable of building complex structures with high porosity such as cellular solids. The study of…

Efficient toolpath planning for collaborative material extrusion machines

Antonio Bacciaglia, Alessandro Ceruti

Timing constraints affect the manufacturing of traditional large-scale components through the material extrusion technique. Thus, researchers are exploring using many independent…

Design optimization of 3D printed flow path plates in high-performance bioethanol fuel cells

Manikandamaharaj T.S., Jaffar Ali B.M.

Effective performance of a direct ethanol fuel cell (FC) stack depends on the satisfactory operation of its individual cells where it is always challenging to manage the…

Predicting geometric errors and failures in additive manufacturing

Margarita Ntousia, Ioannis Fudos, Spyridon Moschopoulos, Vasiliki Stamati

Objects fabricated using additive manufacturing (AM) technologies often suffer from dimensional accuracy issues and other part-specific problems. This study aims to present a…

Cryogenic tensile performance of 3D printed onyx–continuous carbon fiber composites

Sanna F. Siddiqui, Andre Archer, Dustin Fandetti, Carl McGee

The aerospace, energy and automotive industries have seen wide use of composite materials because of their excellent mechanical properties, along with the benefit of weight…

3D printing of continuous cellulose fibre composites: microstructural and mechanical characterisation

Fabienne Touchard, Damien Marchand, Laurence Chocinski-Arnault, Teddy Fournier, Christophe Magro

Additive manufacturing is a recent technology used in the production of composite materials. The use of continuous fibres as reinforcement is necessary to achieve high mechanical…

Precise determination of initial printable time for cement mortar 3D printing using a derivative method

Piti Sukontasukkul, Buchit Maho, Sila Komkham, Satharat Pianfuengfoo, Hexin (Johnson) Zhang, Doo-Yeol Yoo, Weerachart Tangchirapat, Worathep Sae-Long, Suchart Limkatanyu, Prinya Chindaprasirt

This study aims to propose a technique that establishes a mathematical relationship between width and time, and utilizes a derivative method to determine the initial printable…

Investigation on the indentation performance of 3D printed re-entrant diamond auxetic metamaterial: printability and tailorability for futuristic applications

Niranjan Chikkanna, Shankar Krishnapillai, Velmurugan Ramachandran

Auxetics are the class of cellular materials with a negative Poisson’s ratio. This paper aims to study the low-cost 3D printing capabilities and printing variations and improve…

A study of selective laser melting process for pure zinc and Zn10mg alloy on process parameters and mechanical properties

Muhammad Waqas, Dingyong He, Zhen Tan, Peng Yang, Mu Gao, Xingye Guo

The selective laser melting (SLM) technique, as a typical additive manufacturing process, is widely used for the fabrication of metallic biomedical components. In terms of…

Mapping the structural properties of zinc scaffold fabricated via rapid tooling for bone tissue engineering applications

Abhishek Kansal, Akshay Dvivedi, Pradeep Kumar

The purpose of this study to investigate the organized porous network zinc (OPNZ) scaffolds. Their mechanical characteristics, surface roughness and fracture mechanism were…

Controlling degree of foaming in extrusion 3D printing of porous polylactic acid

Iniya Dinakaran, Chowdhury Sakib-Uz-Zaman, Arafater Rahman, Mohammad Abu Hasan Khondoker

This paper aims to understand the effect of extrusion conditions on the degree of foaming of polylactic acid (PLA) during three-dimensional (3D) printing. It was also targeted to…

Sensitivity enhancement through geometry modification of 3D printed conductive PLA-based strain sensors

Dhinesh S.K., Senthil Kumar Kallippatti Lakshmanan

The purpose of this study is to increasing the gauge factor, reducing the hysteresis error and improving the stability over cyclic deformations of a conductive polylactic acid…

Experimental study of adhesive joints with mechanical interlocking of acrylonitrile butadiene styrene (ABS) parts fabricated for fused filament (FFF)

Erwin Molino Alvarez, Sergio Andres Quintana González, Luis Lisandro Lopez Taborda, Enrique Esteban Niebles Nuñez

Additive manufacturing has disadvantages, such as the maximum part size being limited by the machine’s working volume. Therefore, if a part more considerable than the working…