Rapid Prototyping Journal: Volume 29 Issue 8

Residual stress measurement techniques for Ti6Al4V parts fabricated using selective laser melting: state of the art review

Ruben B.O. Acevedo, Klaudia Kantarowska, Edson Costa Santos, Marcio C. Fredel

This paper aims to generate a review of available techniques to measure Residual Stress (RS) in Ti6Al4V components made by Ti6Al4V.

Geometric void-multiscale model for evaluating the effect of bead width and layer height on voids in FDM parts

Taha Sheikh, Kamran Behdinan

This paper aims to present a geometrical void model in conjunction with a multiscale method to evaluate the effect of interraster distance, bead (raster) width and layer height…

Assessing the influence of non-uniform gas speed on the melt pool depth in laser powder bed fusion additive manufacturing

Jordan Weaver, Alec Schlenoff, David Deisenroth, Shawn Moylan

This paper aims to investigate the influence of nonuniform gas speed across the build area on the melt pool depth during laser powder bed fusion. This study focuses on whether a…

Electrical energy estimation of 3D printing jobs for industrial internet of things (IIoT) applications

Basil C. Sunny, Shajulin Benedict, Rajan M.P.

This paper aims to develop an architecture for 3D printers in an Industrial Internet of Things (IIoT) controlled automated manufacturing environment. An algorithm is proposed to…

Study of unidirectional torsion of samples with different internal structures manufactured in the MEX process

Grzegorz Budzik, Tomasz Dziubek, Łukasz Paweł Przeszłowski, Bartłomiej Sobolewski, Mariusz Dębski, Małgorzata Ewa Gontarz

Manufacturing of products loaded with torque in an incremental process should take into account the strength in relation to the internal structure of the details. Incremental…

3D bioprinting in the era of 4th industrial revolution – insights, advanced applications, and future prospects

Adib Bin Rashid, Abu Saleh Md. Nakib Uddin, Fahima Akter Azrin, Khondker Safin Kaosar Saad, Md Enamul Hoque

The main objective of this paper is to illustrate an analytical view of different methods of 3D bioprinting, variations, formulations and characteristics of biomaterials. This…

Toward data-driven research: preliminary study to predict surface roughness in material extrusion using previously published data with machine learning

Fátima García-Martínez, Diego Carou, Francisco de Arriba-Pérez, Silvia García-Méndez

Material extrusion is one of the most commonly used approaches within the additive manufacturing processes available. Despite its popularity and related technical advancements…

Enhancement of mechanical and surface properties by ball burnishing process on polymeric components obtained by FFF

Héctor García de la Torre, Giovanni Gomez-Gras, Ariadna Chueca de Bruijn, Marco A. Pérez-Martínez

This paper aims to investigate and deliver experimental evidence to establish ball burnishing (BB) as an effective procedure for processing fused filament fabricated parts (FFF)…

A real-time approach for failure detection in material extrusion process based on artificial neural network

Wanbin Pan, Hongyi Jiang, Shufang Wang, Wen Feng Lu, Weijuan Cao, Zhenlei Weng

This paper aims to detect the printing failures (such as warpage and collapse) in material extrusion (MEX) process effectively and timely to reduce the waste of printing time…

Investigation into tensile behavior of 3D printed nylon-based low and high-volume fraction carbon fiber composite

Pradeep Kumar Mishra, Jagadesh T.

The tensile behavior of additively manufactured nylon-based carbon fiber-reinforced composites (CFRP) is an important criterion in aerospace and automobile structural design. So…

AltPrint: new filling and slicing process planning based on deposited material with geometry variation

Henrique Takashi Idogava, Daniel Marcos Souza do Couto, Leonardo Santana, Jorge Lino Alves, Zilda Castro Silveira

This paper aims to address the development and implementation of “AltPrint,” a slicing algorithm based on a new filling process planning from a variation in the deposited material…

Effects of binder droplet size and powder particle size on binder jetting part properties

Kazi Moshiur Rahman, Hadi Miyanaji, Christopher B. Williams

In binder jetting, the interaction between the liquid binder droplets and the powder particles defines the shape of the printed primitives. The purpose of this study is to explore…

Using adaptive slicing method and variable binder amount algorithm in binder jetting

Hasan Baş, Fatih Yapıcı, İbrahim İnanç

Binder jetting is one of the essential additive manufacturing methods because it is cost-effective, has no thermal stress problems and has a wide range of different materials…

Non-local and local criteria based on the extended finite element method (XFEM) for fracture simulation of anisotropic 3D-printed polymeric components

Bahador Bahrami, Mohammad Reza Mehraban, Seyed Saeid Rahimian Koloor, Majid R. Ayatollahi

The purpose of this study is to develop an efficient numerical procedure for simulating the effect of printing orientation, as one of the primary sources of anisotropy in…

Multidisciplinary topology and material optimization approach for developing patient-specific limb orthosis using 3D printing

Ashwani Kumar, Deepak Chhabra

This study aims to explore the potential benefits favoring the adaptation of structural optimization techniques in the additive manufacturing (AM) of medical utilities to meet the…