Advanced Materials & Manufacturing – Page 14

Mechanical Properties of 3D Printed PLA Specimens with Various Infill Shapes and Volumes

Subeshan B., Rahman M.M., Asmatulu E., Arifa K., Wichita State University, US

Traditional manufacturing methods contain removing excess materials by trimming, cutting and sanding to get the projected shapes; however, additive manufacturing contain direct manufacturing of the objects utilizing computer assisted design model by adding a layer [...]

Optimized internal geometries for lightweighting and multifunctionality in additive manufacturing – an ideal processing target

Berger J., Nama Development LLC, US

One of the great opportunities in additive manufacturing is the ability to manufacture complex optimized internal geometries such as lattices and honeycombs for space filling applications. Some obvious applications including sandwich panels for lightweighting and [...]

Towards 3D Printing of Any Alloy

Eckel Z., HRL Laboratories, US

Towards 3D Printing of Any Alloy Authors: Zak C. Eckel [1], John H. Martin [1], William B. Carter [1], Tobias A. Schaedler [1], Brennan D. Yahata [1], Justin A. Mayer [1], Jacob M. Hundley [1] [...]

3D-printed Optical Devices with Refractive Index Control for Microwave Applications

Isakov D., Wu Y., Allen B., Stevens C.J., Grant P.S., University of Warwick, UK

Achieving sub-wavelength spatial variations in the relative permittivity εr and permeability μr to control the propagation of the electromagnetic radiation opens up many opportunities for the development of new devices with improved or novel functionality [...]

The impact of the “4d-Rheoprinting” additive manufacturing technique on molecular orientation and thermal properties of polymeric parts

Duhduh A., Coulter J.P., Lehigh University, US

This paper discusses a novel additive manufacturing technique that was developed in order to 3D print polymeric parts with tunable properties. This technique, known as 4D-Rheoprinting, can be applied to a number of common additive [...]

High power electron gun for metal additive manufacturing based on superconducting technology

Thangaraj J., Fermi National Accelerator Laboratory, US

E-beam additive manufacturing is a rapidly growing industry. Electron guns capable of reaching higher energies and higher average power can enable larger melt pools, higher production speed, and permit broader range of materials for metal [...]

Robotic Deposition to Enable Multi-Axis Material Extrusion

Kubalak J.R., Williams C.B., Virginia Tech, US

The material extrusion (ME) additive manufacturing process is extensively used in hobbyist and prototyping applications, but it is not always suitable for the fabrication of end-use components. The thermal characteristics of the layer-by-layer deposition results [...]

3D Printing

Low transmission loss flexible substrates using low Dk/Df polyimide adhesives

Tasaki T., Arakawa Chemical Industries, Ltd., JP

To meet the ever-increasing requirements of transmission data with a growth in the market for information technology gadgets such as mobile phones, the transmission frequency of circuits is increased. However, the integrity of high-frequency signals [...]

XTPL Approach to Print Submicron Conductive Lines on Dielectric Substrates

Kowalczewski P., Wiatrowska A., Dusza M., Zięba M., Cichoń P., Fijak K., Granek F., XTPL SA, PL

The concepts of printed electronics offer a tremendous potential when brought to nanotechnology. We present a novel technology for printing submicron conductive lines at unprecedented flexibility, accuracy, and low cost. The lines with resistivity down [...]