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Alloyed shows off 3D printed copper cooling plate

Created in collaboration with JXNMM, using copper powders with improved printability

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Alloyed recently presented an additively manufactured copper cooling plate. The unique part was exhibited at Formnext and recently highlighted in the Cool Parts Show video series. Created as a result of the merger of Betatype and Oxmet Technologies at the end of 2019, Alloyed offers a unique and complementary stack of technologies for the manufacture of advanced metal components by additive manufacturing and traditional means. The 3D printed cooling plate was made possible by using copper powders for improved printability developed in collaboration with JXNMM.

The company has developed and uses a proprietary computational platform and advanced materials modeling to identify the right alloy composition for any application and process. This is coupled with Alloyed’s Engine technology specifically for AM, with the capability to deliver better functioning parts faster and more cost-effectively for a wide range of applications. The company’s turnkey solution provides technology at every scale from alloy composition, material engineering, and part design to scale for mass production. The cooling plate is an example of what can be done when optimized AM geometry is combined with optimized AM material properties”.

Alloyed shows off 3D printed pure copper cooling plate created in collaboration with JXNMM, using copper powders with improved printability

The copper cooling plate is specifically designed for use in datacentres, and as a liquid cooling system, can have a significant impact on reducing energy usage compared to conventional air cooling methods. AM is the ideal technology to make cooling plates as more complex geometries can be produced less expensively and with greater functionality and performance — both in terms of heat exchanged and liquid pressure dropped. The unibody nature of the additive part results in a simpler and more efficient component that outperforms traditionally assembled cold plates. Due to reduced assembly needs, the parts are also easier to install and
have lower maintenance requirements.

However, copper is a notoriously difficult metal to process using AM due to the high thermal conductivity of the fused part (the very reason that it is an ideal material for cooling plates) and its high natural reflectivity. JX Nippon Mining & Metals (JXNMM) and Alloyed have partnered to offer a comprehensive portfolio of laser bed fusion solutions for copper and its alloys. JXNMM has developed copper powders with improved printability, allowing the production of parts with very low porosity and electrical conductivity. This is achieved through a novel surface treatment which adds an anti-oxidation effect and prevents an increase in oxygen content. For electron beam processes, the surface treatment inhibits powder sintering (thus increasing design flexibility) and the surface treatment can also be used to increase absorptivity in laser beam systems. The powder can achieve relative densities of >99.95% using the electron beam process and 99.91% using the laser bed process.

Alloyed shows off 3D printed pure copper cooling plate created in collaboration with JXNMM, using copper powders with improved printability

Enrique Alabort, Co-Founder of Alloyed and Head of Alloyed Japan said: “The success of the copper cooling plate that was on show at Formnext is due to the combined expertise of Alloyed and JXNMM. The materials developed by JX allow Alloyed to use its proprietary Engine and Architect software to produce the high-fidelity complex geometries and lattice structures in the cooling plate. Alloyed specializes in the production of fine-featured components and can produce thin walls down to a mean thickness of 190 microns, and its expertise in design for AM allows it to extract the most value from the design freedom enabled by the process. This expertise is vividly shown in the design and production of the copper liquid cooling plate”.

Alloyed provides a compelling offering for optimizing advanced digital metal manufacturing applications, and is committed to making its customer’s high-performance components and processes even better. Joining the Alloys-By-Design (ABD) brand with Betatype and a facility that makes parts — Alloyed Digital Manufacture (ADM) — and partnering with expert material developers such as JX means Alloyed can offer clients the development of superior and customized alloys, unprecedented levels of advanced process control and performance, and expert metal AM production capabilities from application development through to production. In this way, Alloyed provides customers with a palette of complementary expertise and services that optimize the production of metal parts through digital manufacturing.

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Andrea Gambini

Andrea has always loved reading and writing. He started working in an editorial office as a sports journalist in 2008, then the passion for journalism and for the world of communication in general, allowed him to greatly expand his interests, leading to several years of collaborations with several popular online newspapers. Andrea then approached 3D printing, impressed by the great potential of this new technology, which day after the day pushed him to learn more and more about what he considers a real revolution that will soon be felt in many fields of our daily life.

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