Rapid Prototyping Journal: Volume 23 Issue 3

Novel exploration of 3D printed wrist arthroplasty to solve the severe and complicated bone defect of wrist

Qing Han, Yanguo Qin, Yun Zou, Chenyu Wang, Haotian Bai, Tao Yu, Lanfeng Huang, Jincheng Wang

Although proximal row carpectomy, wrist arthrodesis and even total wrist arthroplasty were developed to treat wrist disease using bone and cartilage of the wrist, severe and…

Effect of melt parameters on density and surface roughness in electron beam melting of gamma titanium aluminide alloy

Ashfaq Mohammad, Abdurahman Mushabab Al-Ahmari, Abdullah AlFaify, Muneer Khan Mohammed

Electron beam melting (EBM) is one of the potential additive manufacturing technologies to fabricate aero-engine components from gamma titanium aluminide (γ-TiAl) alloys. When a…

Programmatic generation of computationally efficient lattice structures for additive manufacture

Matthew Leslie McMillan, Marten Jurg, Martin Leary, Milan Brandt

Additive manufacturing (AM) enables the fabrication of complex geometries beyond the capability of traditional manufacturing methods. Complex lattice structures have enabled…

Pre and post processing techniques to improve surface characteristics of FDM parts: a state of art review and future applications

Jasgurpreet Singh Chohan, Rupinder Singh

The purpose of this paper is to review the various pre-processing and post-processing approaches used to ameliorate the surface characteristics of fused deposition modelling…

Processability of pure Zn and pure Fe by SLM for biodegradable metallic implant manufacturing

Marco Montani, Ali Gökhan Demir, Ehsan Mostaed, Maurizio Vedani, Barbara Previtali

This paper aims to investigate the processability by selective laser melting (SLM) of materials of potential interest for innovative biodegradable implants, pure Fe and pure Zn…

Tensile strength of partially filled FFF printed parts: meta modelling

Shahrain Mahmood, A.J. Qureshi, Kheng Lim Goh, Didier Talamona

This paper aims to investigate the tensile strength of partially filled fused filament fabrication (FFF) printed parts with respect of cross-sectional geometry of partially filled…

Effects of 3D-bioplotted polycaprolactone scaffold geometry on human adipose-derived stem cell viability and proliferation

Saahil V. Mehendale, Liliana F. Mellor, Michael A. Taylor, Elizabeth G. Loboa, Rohan A. Shirwaiker

This study aims to investigate the effect of three-dimensional (3D)- bioplotted polycaprolactone (PCL) scaffold geometry on the biological and mechanical characteristics of human…

System and process development for coaxial extrusion in fused deposition modelling

Adam C. Taylor, Stephen Beirne, Gursel Alici, Gordon G. Wallace

This paper aims to design and test a system capable of coaxial fused deposition modelling (FDM) and assess the coaxial fibres produced for their coaxial concentricity. The goal is…

Healing simulation for bond strength prediction of FDM

Timothy J. Coogan, David O. Kazmer

The purpose of this paper is to present a diffusion-controlled healing model for predicting fused deposition modeling (FDM) bond strength between layers (z-axis strength).

Inkjet and inkjet-based 3D printing: connecting fluid properties and printing performance

Yang Guo, Huseini S. Patanwala, Brice Bognet, Anson W.K. Ma

This paper aims to summarize the latest developments both in terms of theoretical understanding and experimental techniques related to inkjet fluids. The purpose is to provide…

Current state and potential of additive – hybrid manufacturing for metal parts

Danielle Strong, Issariya Sirichakwal, Guha P. Manogharan, Thomas Wakefield

This paper aims to investigate the extent to which traditional manufacturers are equipped and interested in participating in a hybrid manufacturing system which integrates…

Impedance-based non-destructive evaluation of additively manufactured parts

Mohammad I. Albakri, Logan D. Sturm, Christopher B. Williams, Pablo A. Tarazaga

This work proposes the utilization of electromechanical impedance measurements as a means of non-destructive evaluation (NDE) for additive manufacturing (AM). The effectiveness…

Rapid prototyping assisted fabrication of customized surgical guides in mandibular distraction osteogenesis: a case report

Sandeep W. Dahake, Abhaykumar M. Kuthe, Jitendra Chawla, Mahesh B. Mawale

The purpose of this paper is to develop a workflow for design and fabrication of customized surgical guides (CSGs) for placement of the bidirectional extraoral distraction…

Direct selective laser sintering and melting of ceramics: a review

Swee Leong Sing, Wai Yee Yeong, Florencia Edith Wiria, Bee Yen Tay, Ziqiang Zhao, Lin Zhao, Zhiling Tian, Shoufeng Yang

This paper aims to provide a review on the process of additive manufacturing of ceramic materials, focusing on partial and full melting of ceramic powder by a high-energy laser…

Comparative assessment of process combination for Ti6Al4V components

Pieter Johannes Theron Conradie, Dimitri Dimitrov, Gert Adriaan Oosthuizen, Philip Hugo, Mike Saxer

The purpose of this paper is to investigate the combination of selective laser melting (SLM) and 5-axis CNC milling to produce parts from titanium powder. The aim is to achieve a…

Design and experimental study on the freeform fabrication with polymer melt droplet deposition

Baihong Chi, Zhiwei Jiao, Weimin Yang

3D printing based on additive manufacturing has advantages in manufacturing products with high geometrical complexity. However, there are many limitations to print plastic…

Direct 3D printing of low melting point alloy via adhesion mechanism

Yongze Yu, Fujun Liu, Jing Liu

This paper aims to propose a method that can directly print low-melting-point alloy In61Bi26Sn9Ga4 into a variety of macroscopic 3D structures at room temperature via adhesion…