Rapid Prototyping Journal: Volume 28 Issue 3

Guidelines for 3D printed springs using material extrusion

Sacco Enea, Seung Ki Moon

Springs are an integral part of mechanisms and can benefit from additive manufacturing’s (AM) increased design freedom. Given the limited literature on the subject, the purpose of…

Optimization of built-part distortion in laser powder bed fusion processing of Inconel 718

You-Cheng Chang, Hong-Chuong Tran, Yu-Lung Lo

Laser powder bed fusion (LPBF) provides the means to produce unique components with almost no restriction on geometry in an extremely short time. However, the high-temperature…

Numerical investigation into cleanability of support structures produced by powder bed fusion technology

Giampaolo Campana, Eckart Uhlmann, Mattia Mele, Luca Raffaelli, André Bergmann, Jaroslaw Kochan, Julian Polte

Support structures used in laser powder bed fusion are often difficult to clean from unsintered powder at the end of the process. This issue can be significantly reduced through a…

A novel adaptive slicing algorithm based on ameliorative area ratio and accurate cusp height for 3D printing

Yifei Hu, Xin Jiang, Guanying Huo, Cheng Su, Hexiong Li, Zhiming Zheng

Adaptive slicing is a key step in three-dimensional (3D) printing as it is closely related to the building time and the surface quality. This study aims to develop a novel…

Development of a deposition framework for implementation of a region-based adaptive slicing strategy in arc-based metal additive manufacturing

Nitish P. Gokhale, Prateek Kala

This study aims to develop and demonstrate a deposition framework for the implementation of a region-based adaptive slicing strategy for the Tungsten Inert Gas (TIG) welding-based…

Evaluation of the printing strategies design on the mechanical and tribological response of acrylonitrile styrene acrylate (ASA) additive manufacturing parts

Juan Manuel Vázquez Martínez, David Piñero Vega, Jorge Salguero, Moises Batista

The evaluation of novel materials such as the acrylonitrile styrene acrylate (ASA) for tribological and mechanical conditions can provide a structural protection against the…

Effect of process parameters on stress and strain of hybrid deposition and micro-rolling

Xushan Zhao, Yuanxun Wang, Guilan Wang, Runsheng Li, Haiou Zhang

This paper aims to summarize the influence law of hybrid deposited and micro-rolling (HDMR) technology on the shaping strain and residual stress. And the rolling parameters…

Novel process for suppressing orange peel formation in polymer laser sintering through pretreatment with low-power laser irradiation

Ryuichi Kobayashi, Takashi Kigure, Ming Yang

This paper aims to describe a new process for suppressing the formation of orange peel, which is a polymer laser sintering (LS) process error.

The mechanism of process parameters influencing the AlSi10Mg side surface quality fabricated via laser powder bed fusion

Shimin Dai, Hailong Liao, Haihong Zhu, Xiaoyan Zeng

For the laser powder bed fusion (L-PBF) technology, the side surface quality is essentially important for industrial applicated parts, such as the inner flow parts. Contour is…

A review on the performance characteristics, applications, challenges and possible solutions in electron beam melted Ti-based orthopaedic and orthodontic implants

Kashif Ishfaq, Mudassar Rehman, Ahmed Raza Khan, Yanen Wang

Human aging is becoming a common issue these days as it results in orthopaedic-related issues such as joints disorderness, bone-fracture. People with age = 60 years suffer more…

Titanium fabricated by selective laser melting: microstructure, wear and corrosion behavior in different orientations

Yabao Hu, Hanning Chen, Xiaodan Liang, Jianbo Lei

Studies on titanium implants have shown that the mechanical properties of the parts are affected by the microstructure characteristic derived from the manufacturing process. The…

Experimental verification of computational and sensitivity analysis on substrate deformation and plastic strain induced by hollow thin-walled WAAM structure

Keval P. Prajadhiana, Yupiter H.P. Manurung, Alexander Bauer, Mohd Shahriman Adenan, Nur Izan Syahriah, Mohamed Ackiel Mohamed, Birgit Awiszus, Marcel Graf, Andre Haelsig

This paper aims to numerical and experimental analysis on substrate deformation and plastic strain induced by wire arc additive manufacturing.

An in-process multi-feature data fusion nondestructive testing approach for wire arc additive manufacturing

Xi Chen, Youheng Fu, Fanrong Kong, Runsheng Li, Yu Xiao, Jiannan Hu, Haiou Zhang

The major problem that limits the widespread use of WAAM technology is the forming quality. However, most of the current research focuses on post-process detections that are…

Hydroxyapatite composite scaffold for bone regeneration via rapid prototyping technique: a review

Fangfang Sun, Tianze Wang, Yong Yang

Rapid prototyping (RP) technology is widely used in many fields in recent years. Bone tissue engineering (TE) is an interdisciplinary field involving life sciences, engineering…

Volumetric adaptive slicing of manifold mesh for rapid prototyping based on relative volume error

Qianyong Chen, Jinghua Xu, Shuyou Zhang

Compared with cusp height and area deviation ratio, volume error (VE) caused by the layer height could represent the stair-case effect more comprehensively. The proposed relative…