Rapid Prototyping Journal: Volume 26 Issue 8

Effects of post-curing conditions on mechanical properties of 3D printed clear dental aligners

Prashant Jindal, Mamta Juneja, Divya Bajaj, Francesco Luke Siena, Philip Breedon

3D printing techniques have been widely used for manufacturing complex parts for various dental applications. For achieving suitable mechanical strength, post-cure processing is…

A review of 3D printing processes and materials for soft robotics

Yee Ling Yap, Swee Leong Sing, Wai Yee Yeong

Soft robotics is currently a rapidly growing new field of robotics whereby the robots are fundamentally soft and elastically deformable. Fabrication of soft robots is currently…

Accuracy of 3D printed guide for orbital implant

Jaeyoung Kwon, Guk Bae Kim, Sunah Kang, Younghwa Byeon, Ho-Seok Sa, Namkug Kim

Extrinsic trauma to the orbit may cause a blowout or orbital fracture, which often requires surgery for reconstruction of the orbit and repositioning of the eyeball with an…

3D printed polyurethane exhibits isotropic elastic behavior despite its anisotropic surface

Marek Pagac, David Schwarz, Jana Petru, Stanislav Polzer

Mechanical properties testing of the hyperelastic thermoplastic polyurethane (TPU) produced by the continuous digital light processing (CDLP) method of additive manufacturing…

Microstructure and mechanical properties of maraging 18Ni-300 steel obtained by powder bed based selective laser melting process

Wangping Wu, Xiang Wang, Qun Wang, Jianwen Liu, Yi Zhang, Tongshu Hua, Peng Jiang

The purpose of this paper is to maraging 18Ni-300 steel fabricate by powder bed based selective laser melting (SLM) process. Microstructure and mechanical properties of the…

Melt pool morphology and surface roughness relationship for direct metal laser solidification of Hastelloy X

Yang Tian, Dacian Tomus, Aijun Huang, Xinhua Wu

Limited research has attempted to reveal the different modes of the melt pool formation in additive manufacturing. This paper aims to study the mechanisms of surface roughness…

Thermodynamic analysis of oxidation during selective laser melting of pure titanium

Won-Hyuk Lee, Tae-Wook Na, Kyung-Woo Yi, Seung-Min Yang, Jang-Won Kang, Hyung Giun Kim, Hyung-Ki Park

When a pure titanium component is fabricated in a selective laser melting (SLM) process using titanium powder, the oxygen concentration of the SLM sample increases compared to the…

Process planning based on cylindrical or conical surfaces for five-axis wire and arc additive manufacturing

Fusheng Dai, Haiou Zhang, Runsheng Li

The study aims to fabricate large metal components with overhangs built on cylindrical or conical surfaces with a high dimensional precision. It proposes methods to address the…

Effect of HIP process and subsequent heat treatment on microstructure and mechanical properties of direct metal laser sintered AlSi10Mg alloy

Onur Ertuğrul, Zafer Çağatay Öter, Mustafa Safa Yılmaz, Ezgi Şahin, Mert Coşkun, Gürkan Tarakçı, Ebubekir Koç

The purpose of this paper is to evaluate the effect of post process combinations, e.g. hot isostatic pressing (HIP) only, HIP + T6 heat treatments, and T6 only, with different…

Preparation of cation exchange filament for 3D membrane print

Lucie Zarybnicka, Eliska Stranska

This paper aims to focus on the preparation of a cation exchange filament for three-dimensional (3D) fused deposition modeling (FDM). The polymeric binder was mixed with the…

Mechanical isotropy and postcure shrinkage of polydimethylsiloxane printed with digital light processing

Dong Sung (Danny) Kim, Jakkrit Suriboot, Chin-Cheng Shih, Austin Cwiklik, Melissa A. Grunlan, Bruce L. Tai

This paper aims to investigate the printability of photocurable PDMS with digital light processing (DLP) in terms of dimensional accuracy, mechanical properties, isotropy and…

Generalized models for unidirectional anisotropic properties of 3D printed polymers

Jared W. Nelson, Dylan Atkins, Matthew L. Gottstine, Jack Yang, Gordana Garapic, Stéphanie Jaminion, Aaron Nelson, Katherine Wilson

The purpose of this paper is to empirically determine general models and methods for yield strength and modulus at different print orientations adequate for design purposes…