Rapid Prototyping Journal: Volume 28 Issue 8

Relative density prediction of additively manufactured Inconel 718: a study on genetic algorithm optimized neural network models

Cuiyuan Lu, Jing Shi

The quality and properties of Inconel 718 (IN718) from selective laser melting (SLM), a major additive manufacturing (AM) process, have been studied extensively. Among all aspects…

Evaluation of polymeric 3D printed adhesively bonded joints: effect of joint morphology and mechanical interlocking

Andrea Spaggiari, Filippo Favali

The purpose of this paper is to evaluate and exploit the combination of additive manufacturing polymeric technology and structural adhesives. The main advantage is to expand the…

Open-source syringe extrusion head for shear-thinning materials 3D printing

José Luis Dávila, Bruna Maria Manzini, Marcos Akira d'Ávila, Jorge Vicente Lopes da Silva

This study aims to report the development of an open-source syringe extrusion head for shear-thinning materials. The target is to adapt open-source 3D printers to be helpful in…

A review of Industry 4.0 and additive manufacturing synergy

Mahyar Khorasani, Jennifer Loy, Amir Hossein Ghasemi, Elmira Sharabian, Martin Leary, Hamed Mirafzal, Peter Cochrane, Bernard Rolfe, Ian Gibson

This paper reviews the synergy of Industry 4.0 and additive manufacturing (AM) and discusses the integration of data-driven manufacturing systems and product service systems as a…

Computational design strategy to improve RF heating uniformity

Jared Allison, John Pearce, Joseph Beaman, Carolyn Seepersad

Recent work has demonstrated the possibility of selectively sintering polymer powders with radio frequency (RF) radiation as a means of rapid, volumetric additive manufacturing…

In-situ adaptive thermal simulation method for predicting and avoiding hotspots in material extrusion processes

Jorne Driezen, Axel S. Herrmann

This study aims to design a novel strategy to avoid thermal defects in three-dimensional (3D) printing processes. A combination of subroutines and utility routines allows for in…

Research on microstructure and mechanical properties of hybrid plasma arc and micro-rolling additive manufacturing of Inconel 718 superalloy

Qingyong Chen, Guilan Wang, Haiou Zhang, Runsheng Li

The purpose of this paper is to study the influence of different rolling deformation parameters on the morphology, microstructure and mechanical properties of Inconel 718…

Laser additive manufacturing of bulk and powder ceramic materials: mathematical modeling with experimental correlations

Muhammad Arif Mahmood, Andrei C. Popescu, Mihai Oane, Carmen Ristoscu, Ion N. Mihailescu

This paper aims to develop efficient and simple models for thermal distribution, melt pool dimensions and controlled phase change in the laser additive manufacturing (AM) of bulk…

Specific energy absorption during compression testing of ABS and FPU parts fabricated using LCD-SLA based 3D printer

Harshit K. Dave, Ravi Teja Karumuri, Ashish R. Prajapati, Shilpesh R. Rajpurohit

Liquid crystal display (LCD)-based stereolithography (SLA) technique has been used in drug delivery and fabrication of microfluidic devices and piezoelectric materials. It is an…

Study on the impact behavior of arch micro-strut (ARCH) lattice structure by selective laser melting (SLM)

Jun Yao, Ruochen Ding, Kailun Li, Baorui Du, Lu Zhao, Yixiang Yuan

The purpose of this paper is to identify the energy absorption characteristics of arch micro-strut (ARCH) lattice structure (different from traditional straight micro-strut…

Performance characterisation and printing parameter modelling of selective laser melting printed capillary wicks

Xu Meng, Shujie Tan, Liping Ding, Yicha Zhang, Liheng Chen

The objective of this study is to investigate the feasibility of using selective laser melting (SLM) process to print fine capillary wick porous structures for heat pipe…

Physical, thermal and tensile behaviour of 3D printed kenaf/PLA to suggest its usability for ankle–foot orthosis – a preliminary study

Farah Syazwani Shahar, Mohamed Thariq Hameed Sultan, Syafiqah Nur Azrie Safri, Mohammad Jawaid, Abd. Rahim Abu Talib, Adi Azriff Basri, Ain Umaira Md Shah

This paper aims to discuss the physical and thermal properties of the three-dimensional (3D) printing natural composite filament, as well as the tensile behaviour of the printed…

4D-textiles: development of bistable textile structures using rapid prototyping and the bionic approach

Ann-Malin Schmidt, David Schmelzeisen, Thomas Gries

This study aims to propose a new methodology to develop bistable textile structures with two different states of heat and moisture transfer by taking inspiration from the animal…

Experimental assessment of thermal gradients and layout effects on the mechanical performance of components manufactured by fused deposition modeling

Ramiro Mantecón, Celia Rufo-Martín, Rodrigo Castellanos, José Diaz-Alvarez

Fused deposition modeling (FDM) is booming as a manufacturing technique in several industrial fields because of its ease of use, the simple-to-meet requirements for its machinery…

Effect of building orientations and heat treatments on AlSi10Mg alloy fabricated by selective laser melting: microstructure evolution, mechanical properties, fracture mechanism and corrosion behavior

Gürkan Tarakçı, Hamaid Mahmood Khan, Mustafa Safa Yılmaz, Gökhan Özer

The present paper aims to systematically investigate the influence of building orientations (0°, 15°, 30°, 45°, 60°, 75°) and heat treatment processes on the…