Rapid Prototyping Journal: Volume 24 Issue 4

Microstructure and properties of functionally graded materials Ti6Al4V/TiC fabricated by direct laser deposition

Jingwei Zhang, Yunlu Zhang, Wei Li, Sreekar Karnati, Frank Liou, Joseph W. Newkirk

This paper aims to manufacture Ti6Al4V/TiC functionally graded material (FGM) by direct laser deposition (DLD) using Ti6Al4V and TiC powder. The objective is to investigate the…

Stereolithography process optimization for tensile strength improvement of products

Mehdi Kazemi, Abdolreza Rahimi

Stereolithography (SLA) is a broadly used technology in the field of rapid prototyping. One of the disadvantages of SLA is poor mechanical properties of its products. To approach…

An automatic and optimal selection of parts orientation in additive manufacturing

Abdurahman Mushabab Al-Ahmari, Osama Abdulhameed, Awais Ahmad Khan

In additive manufacturing processes such as stereolithography and fused deposition modeling, optimal part orientation is pivotal in improving the quality of the part. This paper…

Direct slicing of T-spline surfaces for additive manufacturing

Jiawei Feng, Jianzhong Fu, Zhiwei Lin, Ce Shang, Bin Li

T-spline is the latest powerful modeling tool in the field of computer-aided design. It has all the merits of non-uniform rational B-spline (NURBS) whilst resolving some flaws in…

Effects of mixture ingredients on extrudability of concrete in Contour Crafting

Babak Zareiyan, Behrokh Khoshnevis

This paper aims to investigate the extrudability (flow-ability and shape-stability) of concrete mixtures by using contour crafting (CC) as an automated construction process.

Advanced mechanical and thermal characterization of 3D bioextruded poly(e-caprolactone)-based composites

Hanxiao Wang, Marco Domingos, Fabio Scenini

The purpose of this paper is to study the effect of nano hydroxyapatite (HA) and graphene oxide (GO) particles on thermal and mechanical performances of 3D printed…

PLA conductive filament for 3D printed smart sensing applications

Simone Luigi Marasso, Matteo Cocuzza, Valentina Bertana, Francesco Perrucci, Alessio Tommasi, Sergio Ferrero, Luciano Scaltrito, Candido Fabrizio Pirri

This paper aims to present a study on a commercial conductive polylactic acid (PLA) filament and its potential application in a three-dimensional (3D) printed smart cap embedding…

Additive manufacturing of shape memory polymers: effects of print orientation and infill percentage on mechanical properties

Jorge Villacres, David Nobes, Cagri Ayranci

Material extrusion additive manufacturing, also known as fused deposition modeling, is a manufacturing technique in which objects are built by depositing molten materials…

Micro electronic systems via multifunctional additive manufacturing

Ji Li, Thomas Wasley, Duong Ta, John Shephard, Jonathan Stringer, Patrick J. Smith, Emre Esenturk, Colm Connaughton, Russell Harris, Robert Kay

This paper aims to demonstrate the improved functionality of additive manufacturing technology provided by combining multiple processes for the fabrication of packaged electronics.

Design of internal branch support structures for selective laser melting

Zhixiong Zhang, Chunbing Wu, Tang Li, Keshan Liang, Yujun Cao

Selective laser melting (SLM) enables the fabrication of lightweight and complex metallic structures. Support structures are required in the SLM process to successfully produce…

Heat treatment of electron beam melted (EBM) Ti-6Al-4V: microstructure to mechanical property correlations

Srinivasan Raghavan, Mui Ling Sharon Nai, Pan Wang, Wai Jack Sin, Tao Li, Jun Wei

The paper presents a wide range of post processing heat treatment cycles performed to Electron Beam Melted (EBM) Ti6Al4V alloy and establishes correlations of heat treat process…

A review of 3D concrete printing systems and materials properties: current status and future research prospects

Suvash Chandra Paul, Gideon P.A.G. van Zijl, Ming Jen Tan, Ian Gibson

Three-dimensional printing of concrete (3DPC) has a potential for the rapid industrialization of the housing sector, with benefits of reduced construction time due to no formwork…