Science & Technology
Researchers Use Robotic Arm 3D Printing Process for Mold Fabrication
Many objects that we call 3D printed, from crayons and chess pieces to turbines and dental aligners, and were actually created using 3D printed molds, rather than being fully printed themselves. A trio of researchers from the Singapore University of Technology and...
3D Printing Helps Scientists to Understand How Seeds Fly
Have you ever gone out into your yard and been surprised by a particular plant or tree that seems to have sprung up out of nowhere? It certainly wasn’t planted by you, so how did it get there? There is more than one possible way it may have happened – a...
Investigating the Deformation of 3D Printed PLA
In a paper entitled “Improved Model and Experimental Validation of Deformation in Fused Filament Fabrication of Poly Lactic Acid,” a group of researchers evaluates deformation in 3D printed PLA. Because PLA is mostly 3D printed with relatively small...
Researchers Demonstrate Use of Tomographic, Volumetric 3D Printing Method for Soft Medical Devices
A trio of researchers from the Ecole Polytechnique Fédérale de Lausanne used a tomographic, volumetric 3D printing method in order to get past the limitations affecting the process chain and patient care that result from the use of casting and 3D printing to...
Researchers Develop Tough Hydrogels for 3D Printing Applications in Repairing Load-Bearing Soft Tissues
The water-swollen polymer networks we know as hydrogels have many applications in the biomedical industry, but in order to use them to repair and regenerate load-bearing soft tissues, such as cartilage, blood vessels, and tendons, we need to create tougher...
Researchers Qualify 3D Printed Aerospace Brackets and use Thermoelastic Stress Analysis for Testing
3D printed aerospace brackets made from titanium alloys are becoming more common in the design of spacecraft and satellites. Any aerospace component, however, cannot just be 3D printed and stuck onto the spacecraft – it must be tested and qualified to make sure...
Researchers Develop Helpful AMCET Tool for Estimating Total Costs of 3D Printing
While many companies are working hard to lower the overall cost of 3D printing, whether it’s through eliminating post-processing or offering less expensive materials, sometimes it’s just not possible to make the technology less expensive. That’s why...
3D Printing News Briefs: November 23, 2018
We’re starting with a little business news in today’s 3D Printing News Briefs – Intech confirmed its first order for Additive Industries’ MetalFAB1 3D printer, and Roboze CEO Alessio Lorusso has won a prestigious Ernst & Young award. Moving...
How Argon and Nitrogen Shielding Gases Affect 3D Printed Stainless Steel
In a paper entitled “Mechanical Properties of 17-4 PH Stainless Steel Additively Manufactured under Ar and N2 Shielding Gas,” a group of researchers investigates the effect on using either argon or nitrogen as the shielding gas on the final...
Researchers Increase Strength of FDM 3D Printed Parts for UAV Applications
A collaborative team of researchers from Kingston University, the University of Liverpool, and Khalifa University of Science and Technology recently published a paper, titled “Additive Manufactured Sandwich Composite/ABS Parts for Unmanned Aerial Vehicle...
Researchers Combining FDM 3D Printing with Hot-Melt Extrusion for Drug Delivery Systems
We’ve often seen 3D printing used to make drug delivery systems, but a trio of researchers from the University of Sussex are combining FDM technology with something called Hot-Melt Extrusion, or HME, to do the same. Deck Khong Tan, Mohammed Maniruzzaman, and Ali...
Deep Learning Used to Predict Stress in SLA 3D Printed Structures
In a thesis entitled “Deep Learning Based Stress Prediction for Bottom-Up Stereo-lithography (SLA) 3D Printing Process,” a University at Buffalo student named Aditya Pramod Khadlikar describes a method of predicting stress distribution in SLA 3D printed...
Researchers 3D Print Ceramics Without Time-Consuming and Complex Sintering Phase
In a paper entitled “3D printing dielectric ceramic without a sintering stage,” a group of researchers describes how they created dielectric ceramic parts through 3D printing, while circumventing the usually necessary sintering phase. Conventional...
Russian Researchers Develop Neural Network for Metal 3D Printing
3D printing is not a simple process, particularly metal 3D printing. It involves a great deal of complex mathematical modeling, with calculations that can take weeks for even the most basic parts. But scientists from Peter the Great St. Petersburg Polytechnic...
Researchers Create Bionic Mushroom with Graphene and 3D Printed Cyanobacteria
Using 3D printing, researchers at Stevens Institute of Technology have created a bionic mushroom. Why? For good reason, actually. The researchers are working to better understand the biological machinery of cells and how they can be used to create new technologies for...
Researchers Use 3D Printing and Basic Electronic Components to Make Neuroscience More Accessible
While I was worse in math, science was also not one of my strong suits in school. So anything that makes it easier for students to better understand these complex subjects is a good idea, in my humble opinion. Tom Baden, a professor of neuroscience at the University...
Adjusting the Design, Material, and Parameters of a 3D Printed Strain Gauge with Computational Simulation
A trio of researchers from the Singapore Center for 3D Printing at Nanyang Technological University recently published a paper, titled “Aerosol Jet Printed Strain Sensor: Simulation Studies Analyzing the Effect of Dimension and Design on Performance,”...
Researchers Test Two Configurations of Biowaste 3D Printed Microbial Fuel Cells
Researchers and scientists are constantly working to develop solutions that can save our future world, from solving problems like increasing pollution and climate change to producing clean energy. A group of researchers from the University of Naples...
Scientists 3D Print an Effective Terahertz Waveguide
The terahertz (THz) wave is the electromagnetic radiation at frequencies from 0.1 to 10 THz, which is located between the millimeter wave and the far infrared wave. It has not been fully studied because of a lack of effective means of generation, detection and...
3D Printing and the Customization of Porous Structures for Diabetic Insoles
Diabetic foot ulcers can be extremely dangerous, so people with diabetes often must wear special insoles to prevent ulcers from developing. In a paper entitled “Design and 3D printing of adjustable modulus porous structures for customized diabetic foot...
UPenn Researchers Using Jammed Microgels as 3D Bioprinting Inks
A trio of researchers from the University of Pennsylvania have published a paper, titled “Jammed Microgel Inks for 3D Printing Applications,” on their use of jammed microgels as inks for bioprinting, in order to address the various limitations of 3D...
Wageningen University: Adding Some Sparkle to 3D Printed Objects with Gold Nanoparticles
Nanotechnology may seem novel and advanced, but it has actually been used for thousands of years. Metallic nanoparticles are present in glass and pottery from hundreds and thousands of years ago, giving the items a shiny, glittering look. In a paper entitled...
University of Twente Researchers 3D Print Gold Microstructures Using LIFT Technique
Researchers at the University of Twente have developed a new laser printing technique that allows for the 3D printing of gold nanostructures, including complex overhanging structures. By pointing a very short laser pulse onto a nanometer-thin metal film, a tiny...
3D Printing and a Smartphone Create an Inexpensive, Compact Interferometer
Smartphones serve many functions, including that of scientific instruments. With a little tinkering and 3D printing help, makers have turned smartphones into things like microscopes, and in a paper entitled “Design of a 3D printed compact interferometric system...
Researchers Use Aerosol Jet 3D Printing to Develop Neuronal Interface with More Anti-Inflammatory Ability
3D printing has been used in the past to help treat degenerative diseases, or at least make it easier to cope with them. In terms of neurodegenerative diseases, implanted prosthetic devices are often used, but adverse biological reactions in host tissues can result in...
