March 18, 2014 Volume 10 Issue 11

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How to master metal powder management in 3D printing

What's the real cost of "good enough" powder tracking for powder-bed fusion 3D-printing machines? According to Tim Wischeropp, CEO and Co-Founder of amsight, the technology is rife with hidden costs. Every cycle, every handling step, every exposure, and every mixing decision plays a part. Surprisingly, though, with the right strategy, users can turn their losses into a competitive edge. Learn how.
Read the full article.


Aluminum oxide filament for FDM printers

Virtual Foundry, the company that brought us 3D-printable lunar regolith simulant, has a new product called Aluminum Oxide Filamet™, giving users the power to print alumina parts using the FDM printers they already own. This composite 3D-printing material allows researchers, engineers, and makers to bypass expensive ceramic tooling and produce pure ceramic components in-house. Print using a 0.6-mm hardened-steel, standard-flow nozzle on virtually any open-architecture printer.
Get all the material specs.


DURACON polymer with 30% recycled content

Daicel Corporation's High Performance Polymers SBU has launched four new DURACON® POM grades featuring 30% post-consumer recycled (PCR) content. Unveiled at CHINAPLAS 2026, the lineup includes Standard, Low VOC, Sliding, and Tough options. Leveraging advanced compounding expertise, Daicel maintains quality and mechanical performance comparable to standard virgin resin grades for demanding global industrial and automotive components.
Learn more.


Radio Flyer cuts ebike prototype time radically with Fuse X1 large-format SLS 3D printer

Radio Flyer cut prototype lead times for its Flyer Loop cargo ebike frame from two months to two days using Formlabs' new Fuse X1 SLS large-format 3D printer. "We can now print an entire Flyer Loop cargo ebike overnight and be gluing it together the next day," said Agostino LoBello, product development engineer at Radio Flyer. "I can iterate three times as often with nine times less labor." The Fuse X1 delivers production-quality parts with 50% lower costs and triple the throughput of comparable industrial systems, featuring automated powder handling and a compact, easy-to-install design. [Credit: Image courtesy of Formlabs]
View the video.


Compact industrial sand 3D printer

ExOne has launched the S-Print Pro, a compact industrial sand 3D printer that brings production-grade binder jetting to smaller foundries, pattern shops, and print service providers. Aimed at businesses competing on cost and flexibility, it handles low-volume casting, spare parts, and custom components. The system processes furan binder with silica sand, CeraBeads, or silicon carbide.
Learn more about this capable machine.


Fast-cure composite for aero and defense manufacturing

Toray Composite Materials America has launched 3960-FC, a fast-cure variant of its high-performance 3960 prepreg system for mission-critical aerospace and defense applications. This material reduces cure time by up to 45% while maintaining proven mechanical performance, stiffness, and exceptional toughness. It is highly compatible with automated manufacturing technologies like AFP and ATL, as well as traditional processing methods.
Learn more.


Metal finishing: With rising carbide prices, when cermet makes sense

As critical raw material access tightens, manufacturers are rethinking cutting tool usage. While essential, carbide is often unnecessary for finishing processes. Cermet -- a ceramic-metal composite -- offers an excellent alternative, delivering exceptional fracture and wear resistance for these specific machining stages.
Read the full article.


Full-color 3D-printing Design Guide from Xometry

With Xometry's PolyJet 3D-printing service, you can order full-color 3D prints easily. Their no-cost design guide will help you learn about different aspects of 3D printing colorful parts, how to create and add color to your models, and best practices to keep in mind when printing in full color. Learn how to take full advantage of the 600,000 unique colors available in this flexible additive process.
Get the Xometry guide.


Next-gen SLA materials rival traditional thermoplastics

Formlabs has announced two new SLA materials that bring 3D printing significantly closer to being a manufacturing method for end-use part production. Tough 1000 Resin and a significantly improved Tough 2000 Resin join Tough 1500 Resin, forming the new Tough Resin family. These resilient engineering materials stand up to harsh environments, impact, and repeated wear, all while delivering a dark, matte surface finish with crisp details when printed on Form 4 Series 3D printers.
Learn more.


Surface inspection: From Army depot to factory floor

Born from U.S. Army requirements for rotorcraft inspection, the GelSight Modulus 3D surface measurement system has surpassed 100 units sold to commercial and Department of Defense customers. The handheld, micron-scale tool with interchangeable probe tips delivers fast, high-res measurements in places traditional tools can't reach.
Read the full article.


What is Cold Metal Fusion?

Cold Metal Fusion is an open industry standard for sinter-based metal additive manufacturing. It combines polymer SLS design freedom with reliable debinding and sintering workflows, enabling complex geometries, lightweighting, lattice structures, conformal cooling channels, and high-precision metal parts with predictable shrink behavior. Now available from TriMech Group, this process offers a faster, cost-effective way to produce strong, high-performance metal parts.
Learn more from TriMech Group.


Metal 3D printing: EOS adds four new materials

Industrial 3D-printing supplier EOS has added four new metal additive manufacturing materials to its portfolio: an iron-nickel alloy that boasts stability under fluctuating temps, a nickel alloy with high strength and extreme corrosion resistance, a low-alloyed steel prized for its high toughness and strength, and an industrial-grade stainless steel. Each has been optimized for EOS Laser Powder Bed Fusion systems.
Get all the details.


New materials and finishes from Quickparts

Quickparts has introduced DuraKor, ThermaKor, and vapor smoothing to expand its production-capable materials and finishing portfolio. The new plastics provide polypropylene-like toughness, chemical resistance, and high-temperature stability, while vapor smoothing improves sealing and surface quality. Together, these capabilities help engineers validate designs, refine performance, and transition efficiently from prototypes to scalable manufacturing.
Learn more.


What's the latest in SLA 3D printing?

Learn about the latest offerings in SLA printing from 3D Systems, including the introduction of SLA 825 Dual, the company's most advanced large-frame Stereolithography printer. Other new products include ArrayCast investment casting software that allows users to effortlessly create customized casting trees (complete with configurable runners, sprues, and end effectors), Accura SbF (the latest SLA casting resin), and Accura Xtreme Black (which delivers low shrinkage, large, functional SLA prototype parts with sharp detail).
Learn about all the new 3D Systems products.


meviy cuts CNC milling lead times to just 4 days

meviy, the on-demand custom parts manufacturing service developed by MISUMI Group, has upgraded its Expedite+ service with improved lead times for CNC Milled parts. Customers can now have their parts shipped in as few as four days through meviy's fastest delivery option. The enhanced service helps manufacturers and engineers stay on schedule when projects are behind or production is interrupted. Supported materials include steels and aluminums. Check out their instant quoting too.
Learn more.


New and novel applications: 3D printer used to prototype metal alloys quickly at Ames Lab

To meet one of the biggest energy challenges of the 21st century -- finding alternatives to rare-earth elements and other critical materials -- scientists will need new and advanced tools.

The Critical Materials Institute at the U.S. Department of Energy's Ames Laboratory has a new one: a 3D printer for metals research.

3D printing technology, which has captured the imagination of both industry and consumers, enables ideas to move quickly from the initial design phase to final form using materials including polymers, ceramics, paper, and even food.

But the Critical Materials Institute (CMI) will apply the advantages of the 3D printing process in a unique way: for materials discovery. By doing so, researchers can find substitutes to critical materials -- ones essential for clean energy technologies but at risk of being in short supply.

CMI scientists will use the printer instead of traditional casting methods to streamline the process of bulk combinatorial materials research, producing a large variety of alloys in a short amount of time.

"Metal 3D printers are slowly becoming more commonplace," said Ryan Ott, principal investigator at the Ames Laboratory and the CMI. "They can be costly and are often limited to small-scale additive manufacturing in industry. But for us, this equipment has the potential to become a very powerful research tool. We can rapidly synthesize large libraries of materials. It opens up a lot of new possibilities."

The CMI printer, a LENS MR-7 manufactured by Optomec of Albuquerque, NM, uses models from computer-aided design software to build layers of metal alloy on a substrate via metal powders that are melted by a laser. Four chambers supply metal powders to the deposition head that can be programmed to produce a nearly infinite variety of alloy compositions. The printing occurs in an ultra-low oxygen glove box to protect the quality of highly reactive materials. In a recent demonstration run, the printer produced a 1-in.-long, 0.25-in.-diameter rod of stainless steel in 20 sec.

The process will overcome some of the obstacles of traditional combinatorial materials research.

"The problem is that it's been typically limited to thin film synthesis. These thin film samples are not always representative of the bulk properties of a material. For example, magnetic properties, important to the study of rare earths, are not going to be the same as you get in the bulk material," explained Ott.

Combined with computational work, experimental techniques, and a partnership with the Stanford Synchrotron Light Source (SSRL) for X-ray characterization, scientists at the CMI will be able to speed the search for alternatives to rare-earth and other critical metals.

"Now we have the potential to screen through a lot of material libraries very quickly, looking for the properties that best suit particular needs," said Ott.

This research is supported by the Critical Materials Institute, a Department of Energy Innovation Hub led by the U.S. Department of Energy's Ames Laboratory. CMI seeks ways to eliminate and reduce reliance on rare-earth metals and other materials critical to the success of clean energy technologies.

Source: Ames Laboratory

Published March 2014

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