research paper

Researchers Investigate Parameters of Non-Vacuum Electron Beam Welding for 3D Printing Metal Parts

Researchers Investigate Parameters of Non-Vacuum Electron Beam Welding for 3D Printing Metal Parts

Electron Beam Freeform Fabrication, also known as EBF3, is a wire feed metal 3D printing technique developed by NASA for aeronautics. It has a higher deposition rate than other rapid manufacturing methods, is well-suited for manufacturing reactive alloys, like aluminum and titanium, and can print complex geometric shapes with no material waste. Wire is fed into […]

Electron Beam Freeform Fabrication, also known as EBF3, is a wire feed metal 3D printing technique developed by NASA for aeronautics. It has a higher deposition rate than other rapid manufacturing methods, is well-suited for manufacturing reactive alloys, like...
Technical Possibilities for Making 3D Printed Engineering Components Based on Reused Polypropylene

Technical Possibilities for Making 3D Printed Engineering Components Based on Reused Polypropylene

From bacteria and metamaterials to shape-shifting and support-free, the innovative researchers at TU Delft have worked with a wide variety of 3D printing materials over the years. Now, their focus is shifting to polypropylene, a thermoplastic polymer used in a variety of applications, though engineering is not typically among these. TU Delft researchers Fred Veer, Foteini Setaki, and […]

From bacteria and metamaterials to shape-shifting and support-free, the innovative researchers at TU Delft have worked with a wide variety of 3D printing materials over the years. Now, their focus is shifting to polypropylene, a thermoplastic polymer used in a variety...
Using 3D Printing to Reduce the Amount of Sugar in Cookies…Without Making Them Inedible

Using 3D Printing to Reduce the Amount of Sugar in Cookies…Without Making Them Inedible

While it may sound great to sit around and eat cookies all day, the fact is that cookies aren’t particularly healthy because they’re chock full of sugar. But, partially because obesity rates have been increasing over the last few decades, people have been more focused on reducing sugar in tasty foods like cookies, or replacing […]

While it may sound great to sit around and eat cookies all day, the fact is that cookies aren’t particularly healthy because they’re chock full of sugar. But, partially because obesity rates have been increasing over the last few decades, people have been...
Research Shows that Silicone Resin Prepolymers Can Be Used for Ultraviolet-Assisted 3D Printing

Research Shows that Silicone Resin Prepolymers Can Be Used for Ultraviolet-Assisted 3D Printing

There are many advantages to ultraviolet (UV)-curable systems, like energy saving, rapid curing, environmentally friendly, and high cost performance. These systems are used often with UV-assisted 3D printing, which deposits layers of photocurable liquid polymer crosslinked by an external UV light source to make an object. Silicone materials are promising for 3D printing use due to […]

There are many advantages to ultraviolet (UV)-curable systems, like energy saving, rapid curing, environmentally friendly, and high cost performance. These systems are used often with UV-assisted 3D printing, which deposits layers of photocurable liquid polymer...
Researchers Make Strong, 3D Printed Expandable Origami Structures for Engineering Applications

Researchers Make Strong, 3D Printed Expandable Origami Structures for Engineering Applications

A collaborative team of researchers from the Georgia Institute of Technology, the Beijing Institute of Technology, and Peking University are using 3D printing to directly build reconfigurable origami assemblages that can expand and fold. But even better, the 3D printed structures also have enough load-bearing capability and strength to be used in engineering applications. In […]

A collaborative team of researchers from the Georgia Institute of Technology, the Beijing Institute of Technology, and Peking University are using 3D printing to directly build reconfigurable origami assemblages that can expand and fold. But even better, the 3D...
Researchers Complete Comprehensive Evaluation of Manufacturing Methods, Including 3D Printing, for Impellers

Researchers Complete Comprehensive Evaluation of Manufacturing Methods, Including 3D Printing, for Impellers

Combustion engines uses turbochargers to boost their performance. But, for multiple reasons, there isn’t a conventional process chain for economically manufacturing the component. A team of researchers from RWTH Aachen University and Robert Bosch GmbH recognized the need for a comprehensive evaluation of alternative manufacturing methods for impellers – 3D printing isn’t the only way […]

Combustion engines uses turbochargers to boost their performance. But, for multiple reasons, there isn’t a conventional process chain for economically manufacturing the component. A team of researchers from RWTH Aachen University and Robert Bosch GmbH recognized...
Comparing FDM 3D Printed Parts with Carbon Nanotubes, Continuous Carbon Fiber and Short Carbon Fiber

Comparing FDM 3D Printed Parts with Carbon Nanotubes, Continuous Carbon Fiber and Short Carbon Fiber

Fused deposition modeling, or FDM, 3D printing has several advantages – thermoplastics can be used, which are easy to handle and are strong and durable enough to be used for producing both prototypes and practical parts. Additionally, FDM 3D printers use a simple mechanism to melt and extrude resin that doesn’t need expensive parts, like […]

Fused deposition modeling, or FDM, 3D printing has several advantages – thermoplastics can be used, which are easy to handle and are strong and durable enough to be used for producing both prototypes and practical parts. Additionally, FDM 3D printers use a...
Investigating Effects of Process Parameters on Surface Roughness of 3D Printed Down-Facing Surfaces

Investigating Effects of Process Parameters on Surface Roughness of 3D Printed Down-Facing Surfaces

From titanium bone regeneration scaffolds and hydraulic components to nuclear components and flow reactors, selective laser melting (SLM), which is also known as DMLS and Powder Bed Fusion, is an especially helpful method of metal 3D printing. But there are still some challenges to face before SLM is a true mainstream manufacturing process, such as process […]

From titanium bone regeneration scaffolds and hydraulic components to nuclear components and flow reactors, selective laser melting (SLM), which is also known as DMLS and Powder Bed Fusion, is an especially helpful method of metal 3D printing. But there are still some...
NIST Achieving Better Laser Powder Bed Fusion 3D Printing Melt Pool Control By Implementing Laser Control

NIST Achieving Better Laser Powder Bed Fusion 3D Printing Melt Pool Control By Implementing Laser Control

Laser powder bed fusion (LPBF) 3D printing uses a focused, high power laser to selectively melt geometric patterns into metal powder and build an almost fully dense, freeform object. The process, and quality of the resulting part, are influenced by many process parameters, and the laser position, power, and velocity all need to be well-controlled, based […]

Laser powder bed fusion (LPBF) 3D printing uses a focused, high power laser to selectively melt geometric patterns into metal powder and build an almost fully dense, freeform object. The process, and quality of the resulting part, are influenced by many process...
Finite Element Modeling Used to Study How Defects Can Effect Porosity in 3D Printed Lattice Structures

Finite Element Modeling Used to Study How Defects Can Effect Porosity in 3D Printed Lattice Structures

For applications that require lightweight structures able to maintain stiffness and strength, 3D printed lattice structure are often used. The complex forms are simple to 3D print, and their mechanical properties – mostly influenced by relative density – can generally be predicted with a simplified model for open cell foams. An important application is making […]

For applications that require lightweight structures able to maintain stiffness and strength, 3D printed lattice structure are often used. The complex forms are simple to 3D print, and their mechanical properties – mostly influenced by relative density –...
Researchers Use 3D Printing-Guided Method to Create Thermoresponsive Nanohybrid Scaffolds

Researchers Use 3D Printing-Guided Method to Create Thermoresponsive Nanohybrid Scaffolds

3D printed medical implants are typically stiffer and stronger than the surrounding tissue, and while they don’t always adapt well to biological and physical stimuli, that stiffness is important. The biological processes of our bodies are naturally dynamic, and many researchers are working to ensure that 3D printed implants are of the highest quality and will […]

3D printed medical implants are typically stiffer and stronger than the surrounding tissue, and while they don’t always adapt well to biological and physical stimuli, that stiffness is important. The biological processes of our bodies are naturally dynamic, and...
Subjecting 3D Printed Medical Ti6Al4V Implants to Laser Peening Could Increase Wear Resistance

Subjecting 3D Printed Medical Ti6Al4V Implants to Laser Peening Could Increase Wear Resistance

When it comes to manufacturing biomedical implants, whether they’re 3D printed or not, titanium alloys are often used, and one of the most common is medical Ti6Al4V, thanks to its biocompatibility, mechanical properties, and excellent corrosion resistance. However, its use is not widespread due to its poor wear resistance. Additionally, the simultaneous action of both […]

When it comes to manufacturing biomedical implants, whether they’re 3D printed or not, titanium alloys are often used, and one of the most common is medical Ti6Al4V, thanks to its biocompatibility, mechanical properties, and excellent corrosion resistance....
3D Printing Organic Resin Objects with Inorganic Nanoparticles for Anti-Counterfeiting Measures

3D Printing Organic Resin Objects with Inorganic Nanoparticles for Anti-Counterfeiting Measures

In order to keep our 3D printed parts safe from being illegally replicated, we often turn to anti-counterfeiting measures, such as embedded identification tags and QR codes, bar codes, and even quantum dots, which are tiny nanocrystals produced from semiconductor materials. Now, a group of researchers from Zhejiang University in China is looking at using upconversion (UC) nanoparticles for […]

In order to keep our 3D printed parts safe from being illegally replicated, we often turn to anti-counterfeiting measures, such as embedded identification tags and QR codes, bar codes, and even quantum dots, which are tiny nanocrystals produced from semiconductor...
Researchers Demonstrate Wideband Metamaterial Absorber Made of 3D Printed Conductive Plastic

Researchers Demonstrate Wideband Metamaterial Absorber Made of 3D Printed Conductive Plastic

There’s been a lot of research into 3D printing metamaterials over the years – due to their unique properties, they’ve been used to make everything from headphones and heart valve models to door locks and acoustic holograms, and maybe someday even our very own invisibility cloaks. But ten years ago, the metamaterial absorber (MA), a type […]

There’s been a lot of research into 3D printing metamaterials over the years – due to their unique properties, they’ve been used to make everything from headphones and heart valve models to door locks and acoustic holograms, and maybe someday even...
Researchers Inspired by Nature to Develop Recyclable Liquid Crystal Polymers for FDM 3D Printing

Researchers Inspired by Nature to Develop Recyclable Liquid Crystal Polymers for FDM 3D Printing

While it’s possibly to quickly manufacture complex parts at a low cost using fused deposition modeling (FDM) 3D printing, the readily available polymers are fairly weak, and the completed 3D prints have poor adhesion. According to an ETH Zürich research group that specializes in 3D printing complex materials, this one of the reasons why FDM is not used […]

While it’s possibly to quickly manufacture complex parts at a low cost using fused deposition modeling (FDM) 3D printing, the readily available polymers are fairly weak, and the completed 3D prints have poor adhesion. According to an ETH Zürich research group...
First Mechanical Properties Tests of 3D Printed Carbon CLIP Lattice Parts

First Mechanical Properties Tests of 3D Printed Carbon CLIP Lattice Parts

California 3D printing company Carbon, founded in 2013, suddenly hit the scene in 2015 with its innovative Continuous Liquid Interface Production (CLIP) technology, which uses the power of light and oxygen to cure a photosensitive resin. Rather than building an object up by layers, super fast CLIP 3D printing cures resin by harnessing light, using oxygen […]

California 3D printing company Carbon, founded in 2013, suddenly hit the scene in 2015 with its innovative Continuous Liquid Interface Production (CLIP) technology, which uses the power of light and oxygen to cure a photosensitive resin. Rather than building an object...
Comparing 3D Printed Parts Made with Virgin and Recycled PLA

Comparing 3D Printed Parts Made with Virgin and Recycled PLA

While 3D printing continues to grow in leaps and bounds, it still creates a lot of waste, due to removed support structures, disposable prototypes, failed prints, and multiple iterations. Luckily, PLA is biodegradable, and the waste can be easily managed in multiple ways, such as combustion, composting, and dumping it in landfills. However, the best […]

While 3D printing continues to grow in leaps and bounds, it still creates a lot of waste, due to removed support structures, disposable prototypes, failed prints, and multiple iterations. Luckily, PLA is biodegradable, and the waste can be easily managed in multiple...
UK Researchers Develop Responsive Cellulose-Based Ink for 4D Printing

UK Researchers Develop Responsive Cellulose-Based Ink for 4D Printing

We’ve seen the results of 3D printing research about responsive materials, but what about with 4D printing, where 3D printed objects can move and change shape of their own volition? A collaborative team of researchers from the University of Bristol and the University of Bath recently developed a responsive ink for 4D printing that’s both cost-effective […]

We’ve seen the results of 3D printing research about responsive materials, but what about with 4D printing, where 3D printed objects can move and change shape of their own volition? A collaborative team of researchers from the University of Bristol and the...
LLNL Researchers Use Laser Beam Shaping to Enhance Properties During Metal 3D Printing

LLNL Researchers Use Laser Beam Shaping to Enhance Properties During Metal 3D Printing

From bioprinting blood vessels and using 3D printing to control reactive materials to 3D printing nanoporous gold and researching metal 3D printing flaws, the scientists at Lawrence Livermore National Laboratory (LLNL) are well known for their impressive work with 3D printing materials. Recently, a group of LLNL researchers explored the use of spatial laser modulation in […]

From bioprinting blood vessels and using 3D printing to control reactive materials to 3D printing nanoporous gold and researching metal 3D printing flaws, the scientists at Lawrence Livermore National Laboratory (LLNL) are well known for their impressive work with 3D...
Researchers Use Single Mode 1 kW Fiber Laser to 3D Print Pure Copper Powder

Researchers Use Single Mode 1 kW Fiber Laser to 3D Print Pure Copper Powder

As of right now, selective laser melting (SLM. DMLS, Powder Bed Fusion) is suitable mainly for 3D printing copper alloys. But it would be better to print pure copper (Cu), as it is more thermally and electrically conductive, and while the metal can be used in functionally graded materials, there has been some research conducted […]

As of right now, selective laser melting (SLM. DMLS, Powder Bed Fusion) is suitable mainly for 3D printing copper alloys. But it would be better to print pure copper (Cu), as it is more thermally and electrically conductive, and while the metal can be used in...
Acoustic Nozzles Improve the Performance of 3D Printed Parts

Acoustic Nozzles Improve the Performance of 3D Printed Parts

Usually when we’re talking about 3D printing in terms of acoustics, it has to do with making a good set of speakers. But, recent research has determined that acoustic signal processing could be used to monitor the build quality of a 3D printed part while in progress. There are 3D printable sound-shaping super-materials, and 3D printed objects have […]

Usually when we’re talking about 3D printing in terms of acoustics, it has to do with making a good set of speakers. But, recent research has determined that acoustic signal processing could be used to monitor the build quality of a 3D printed part while in...
Researchers Use 3D Printing, Scanning, and Modeling to Make Customized Protective Gear for Field Hockey

Researchers Use 3D Printing, Scanning, and Modeling to Make Customized Protective Gear for Field Hockey

While playing sports is great fun and can be a great workout as well, it can also be dangerous. That’s why there’s been a lot of research centered around keeping athletes safe by using 3D printing to make better protective gear. A pair of researchers who are members of the faculty of Textile Technology at the University […]

While playing sports is great fun and can be a great workout as well, it can also be dangerous. That’s why there’s been a lot of research centered around keeping athletes safe by using 3D printing to make better protective gear. A pair of researchers who...
Comparing Rectangular and Lattice Structures in 3D Printing Bioinks

Comparing Rectangular and Lattice Structures in 3D Printing Bioinks

In 3D bioprinting, scientists and researchers use bioinks for material, which are loaded with cells to 3D print biological structures; once printed, secondary crosslinking mechanisms come into play to retain the shape’s structural fidelity. These bioinks can facilitate cell adhesion, proliferation, and differentiation, and also exhibit all the characteristics of an extracellular matrix environment – making it possible to create […]

In 3D bioprinting, scientists and researchers use bioinks for material, which are loaded with cells to 3D print biological structures; once printed, secondary crosslinking mechanisms come into play to retain the shape’s structural fidelity. These bioinks can...
Monitoring the Laser Powder Bed Fusion 3D Printing Process with Spectroscopy to Detect Defects

Monitoring the Laser Powder Bed Fusion 3D Printing Process with Spectroscopy to Detect Defects

Laser powder bed fusion 3D printing, one of the most well-established processes for producing metal parts, uses a powder bed of material to build a part layer by layer. The part is formed when energy is put into the powder to fuse it together, which can achieve parts with high resolution at high productivity. Unfortunately, […]

Laser powder bed fusion 3D printing, one of the most well-established processes for producing metal parts, uses a powder bed of material to build a part layer by layer. The part is formed when energy is put into the powder to fuse it together, which can achieve parts...
Electrically Conductive PEEK Composites for FDM 3D Printing

Electrically Conductive PEEK Composites for FDM 3D Printing

Fused deposition modeling (FDM) is a 3D printing method that can easily meet the requirements for small series industrial manufacturing. However, there aren’t a lot of commercially available materials that can work well with it other than PLA, ABS, TPU, PET, and a few others. FDM materials should have performance that makes 3D printing easier, […]

Fused deposition modeling (FDM) is a 3D printing method that can easily meet the requirements for small series industrial manufacturing. However, there aren’t a lot of commercially available materials that can work well with it other than PLA, ABS, TPU, PET, and...
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