Rapid Prototyping Journal: Volume 25 Issue 8

Study on laser sintering of pine/co-PES composites and the investment casting process

Hui Zhang, David Bourell, Yanling Guo, Xiaodong Zhang, Yu Zhuang, Yueqiang Yu, Kaiyi Jiang, Wasim M.K. Helal

A pine/co-PES composite (PCPES composite) was proposed as the feedstock for powder bed fusion (laser sintering, LS). This paper aims to provide some necessary experimental data…

The effect of process parameters on the residual stress of selective laser melted Inconel 718 thin-walled part

Changpeng Chen, Jie Yin, Haihong Zhu, Xiaoyan Zeng, Guoqing Wang, Linda Ke, Junjie Zhu, Shijie Chang

High residual stress caused by the high temperature gradient brings undesired effects such as shrinkage and cracking in selective laser melting (SLM). The purpose of this study is…

Direct additive manufacturing of large-sized crack-free alumina/aluminum titanate composite ceramics by directed laser deposition

Fangyong Niu, Dongjiang Wu, Yunfei Huang, Shuai Yan, Guangyi Ma, Chaojiang Li, Jun Ding

Direct additive manufacturing of ceramics (DAMC) is a highly promising ceramics preparation technology because of its simple process and rapid response capability, but the…

Effect of multiple laser peening on surface integrity and microstructure of laser additive manufactured Ti6Al4V titanium alloy

Yongxiang Hu, Mengqi Lai, Zonghao Hu, Zhenqiang Yao

Laser additive manufacturing is widely utilized to fabricate the Ti6Al4V alloy, but it requires post-processing to improve its performance. This paper aims to propose laser…

Insights into fabrication mechanism of pure copper thin wall components by selective infrared laser melting

Jieren Guan, Xiaowei Zhang, Yehua Jiang, Yongnian Yan

This study aims to obtain the mechanistic insights for the fabrication of pure copper thin wall components by selective infrared (IR) laser melting (SLM) and correlated with…

Impact of processing parameters on tensile strength, in-process crystallinity and mesostructure in FDM-fabricated PLA specimens

Ognjan Luzanin, Dejan Movrin, Vassilis Stathopoulos, Pavlos Pandis, Tanja Radusin, Vera Guduric

This study aims to investigate the impact of layer thickness, extrusion temperature, extrusion speed and build plate temperature on the tensile strength, crystallinity achieved…

Investigation on moist silica sand’s circulation for sand mold printing with line-forming

Donghua Zhao, Weizhong Guo, Baibing Zhang, Feng Gao

This paper aims to investigate the circulation of moist silica sand to provide appropriate feeding modes and references for designing the coating device when printing sand mold…

The fabrication of NiTi shape memory alloy by selective laser melting: a review

Xizhang Chen, Kun Liu, Wei Guo, Namrata Gangil, Arshad Noor Siddiquee, Sergey Konovalov

In recent years, the use of high performing materials, and application of additive manufacturing technology for industrial production has witnessed a steady rise and its expanse…

Influence of interlayer dwell time on stress field of thin-walled components in WAAM via numerical simulation and experimental tests

Rong Li, Jun Xiong

This paper aims to study the residual stress of deposited components which is a main issue to impede the widespread application of wire and arc additive manufacturing (WAAM). The…

The influence of a process interruption on tensile properties of AlSi10Mg samples produced by selective laser melting

Vincent Hammond, Michael Schuch, Matthias Bleckmann

The purpose of this paper is to investigate the influence of a process interruption on the tensile properties of AlSi10Mg samples produced by selective laser melting (SLM).