Papers – Page 22 – TechConnect Briefs

Exploring Process-Properties Relationships of 3D-Printed PLA: Towards Process- Informed Simulation and Design

Grant A., Ellis B.D., Rais-Rohani M., Hajiha R., University of Maine, US

The simulation of additively manufactured (AM) Polylactic Acid (PLA) tensile specimen is discussed. The procedure of evolution and use of a material definition for finite element simulation (FEA) of Polylactic Acid (PLA) printing is discussed, [...]

Design and Manufacture of a Functional 3D-Printed Stirling Engine: A Case Study Involving Bound Metal Deposition of 17-4 PH

Campbell Q., Filiault M., Rooney K., Belding J., Ellis B.D., University of Maine, US

Bound metal deposition (BMD) is a recently commercialized additive manufacturing of metal (AMM) process in which metal powder-binder composites are printed, debound, and sintered. Although potentially offering significant costs savings compared to traditional AMM process, [...]

A Multiscale Modeling Suite for Part Qualification in Metal Additive Manufacturing

Liu J., Liu Z., Jalalahmadi B., Liu J., Liu Z., McReynolds M., Rios J., Sentient Science, US

Metal Additive Manufacturing (AM) shows great potential for producing light-weight structures, reducing development cost and lead time in critical industies such as aerospace and medical device. However, a major barrier that remains is rapid qualification [...]

Shear Induced Crystallization through Altering Flow Area of Polymer Melt in Additive Manufacturing

Noor H., Alqosaibi K., Duhduh A., Kundu A., Coulter J., Lehigh University, US

Additive manufacturing is a new paradigm of fabricating products. The ability to build near-net shapes by depositing layer by layer in additive manufacturing have provided a time and energy efficient processing strategy whose full potential [...]

A Vision toward Layer-wise Intelligent Monitoring and Control of Scan Strategy in Powder-bed Fusion Process

Malekipour E., El-Mounayri H., Al Hasan M., Faierson E.J., Purdue School of Engineering and Technology, US

Despite significant developments in metal powder-bed fusion (PBF) additive manufacturing (AM) process, some frequent thermal anomalies hinder the repeatability and uniformity in mechanical properties of printed parts. Controlling the thermal evolution of the fabrication process [...]

Post-Processing Effects on 3D Dynamic Models Created from Additive Manufacturing

Fedorishin D., Stone A., Eadie N., Christie L., Schneider P., Oh K., University at Buffalo, US

Recent advancements in 3D printing have made it a more viable option for rapid and inexpensive modeling of three dimensional (3D) dynamic systems. This shift in modeling techniques comes with inherent issues. The rough finish [...]

Investigation of a Hybrid Hot Runner System to Increase the Efficiency of Injection Molding and Improve the Quality of Molded Parts

Alqosaibi K., Thakur C., Duhduh A., Kundu A., Coulter J.P., Lehigh University, US

Hot runner systems are prevalent in the manufacturing of thin walled polymers parts. There are great challenges in industries associated with the quality of the molded parts when utilizing a hot runner system. One of [...]

The Industrial Revolution: From IIoT to Industry 4.0

Ceseña-Romero P.I., Chávez-García D., Flores-Valentín A., López-Leyva J., Talancon C.M., CETYS, Universidad, MX

The following work explains a tool used to diagnose the level of industry 4.0 of Baja California ́s industries (Mexico). The evaluated industrie are interested in increasing their technological level to take advantage of the [...]

Production of Nanoemulsions at Relevant Industrial Rates: Innovative Scale-up Strategies

Panagiotou T., Fisher R.J., Delphi Scientific, LLC, US

Nanoemulsions find applications across industries, with several pharmaceutical and nutraceutical applications in the market. Delphi Scientific, LLC has developed a methodology to improve large scale nanoemulsion manufacturing by addressing key issues such as high energy [...]

Synthesizing a nanocomposite tungsten carbide-cobalt metal oxide

Al-Hazza A.A., Kuwait Institute for Scientific Research, KW

In this work a nanocomposite WC-Co metal oxide was synthesized by using a solid state mixing techniques. Certain metals oxide were used in this process (Al, Mg, Si, and Zr) to enhance the property of [...]