Jan 17, 2017 | By Tess

Metal additive manufacturing company Sintavia, LLC recently announced its new end-to-end parameters for manufacturing 3D printed parts in F357 aluminum and other AI-Si alloys. The new process, both exclusive and proprietary, was developed specifically for applications in the aerospace and automotive industries, which require high quality parts with low density, good processability, and heat conductivity.

Sintavia, a global leader in metal additive manufacturing techniques, is hoping to expand the scope of its 3D printing technologies. Evidently, they have taken another big step in achieving this goal with their new method for 3D printing F357 aluminum, a material that could offer industries stronger and more reliable 3D printed metal parts.

Currently, most aluminum alloy parts are still produced using traditional casting methods, which, while reliable, can be expensive and time consuming. With Sintavia’s exclusive new process, however, the company is hoping to offer industries an alternative manufacturing method that does not sacrifice the quality of material, in this case aluminum alloys.

Doug Hedges, Sintavia President and COO, commented: “We are seeing an increased demand for additively manufacturing Al-Si parts from both the aerospace and automotive industries. With Sintavia’s comprehensive manufacturing capabilities, we have developed processes to make F357 aluminum specimens and quickly test them to demonstrate they meet or exceed these industries’ strict validation parameters.”

As mentioned, the new process involves “end-to-end parameters” which include a pre-build material analysis, post-production heat treatment, and stress relief, on top of the additive manufacturing of the components. In fact, Sintavia’s proprietary technique has resulted in metal 3D printed parts that have exceeded original design strength by up to 125%, with net densities of close to 100%. Additionally, Sintavia has accounted for variables such as environment by testing strength validation at ambient, elevated, and subzero temperatures.

Ultimately, Sintavia’s additive manufacturing processes are being developed to offer manufacturing industries, such as aerospace and automotive, the opportunity to advance and improve supply chains and production cycle times. More than just additive manufacturing processes, however, the company has emphasized its full end-to-end services. As Sintavia says, these “[leverage] the speed benefits of AM while offering elite powder analysis, post-processing, and mechanical testing on-site.”



Posted in 3D Printing Materials



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Eliezer Alcantara wrote at 1/20/2017 8:19:24 PM:

125% as compared to what? Cast? Bar stock? aluminum foil?

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