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Alloyed receives hybrid AM research grant as part of CHAMPP consortium

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CHAMPP, an Alloyed‘s consortium, has been awarded a significant grant to research, develop and test an innovative new hybrid production process that will address a number of the key limitations of additive manufacturing for the automotive sector, specifically electric vehicles (EVs). The Casting-Hybrid-Additive-Manufacturing-Parts-Production (CHAMPP) program brings together a critical mass of technical and market expertise with three key partners, namely Alloyed, Brunel University London’s BCAST, Gestamp, and its affiliate Autotech.

With the EV market projected to reach circa 27 million units per year by 2030, the automotive industry is constantly working on solutions to meet the challenges associated with heavy batteries and developing lighter-weight components to achieve efficiency targets. AM has long offered automotive designers and manufacturers the potential to overcome these challenges but is currently still limited by the speed of the processes, maximum part size, and a relatively high cost-per-part, which is, generally, twice the cost of casting production methods.

Thus, the CHAMPP program has been initiated to investigate a hybrid approach to the production of parts by considering the benefits of both casting and AM. The expertise of Alloyed in developing novel and innovative new alloys using its Alloy by Design platform for both castings and AM as well as the capabilities of its Engine platform for increasing AM performance, together with the expertise of BCAST and Gestamp in their respective fields of casting research and world-class global manufacturing of automotive parts.

Shouxun Ji, Professor at BCAST, added: “It is exciting to be working in such a high-class consortium of companies and institutions at the cutting edge of the next generation of casting processes in combination with additive manufacturing as part of a truly advanced hybrid technique for producing metal components. The future is exciting, and BCAST is delighted to be central to the CHAMPP initiative”. Alloyed receives hybrid AM research grant as part of CHAMPP consortium

The vision is to combine the low-cost-per-part capabilities of casting with the design and production flexibility of AM. In this way, automotive manufacturers will be able to cast their standard components across multiple models, and subsequently, use metal AM to customize those standard parts for specific variants at the volumes required.

To date, research in this area has mostly focussed on steel materials. However, while still remains a relatively low-cost material, the complex supply chains and/or expensive new machines have been a barrier to large-scale hybridization reaching the mainstream. Moreover, research on hybridization using Aluminium (or alloys thereof) has been limited by traditional cast/wrought alloys which, when used with AM processes, resulting in poor mechanical performance. Similarly, current Aluminium alloy AM powders are generally not suited for automotive production applications as they are expensive and result in poorer mechanical properties with many defects.

Potter Phil, Innovation Project Manager at Gestamp commented; “We are proud to be working on the CHAMPP project alongside some prominent players in the metal production and AM space. Obviously, for us, the tie in with the potential for AM to be used alongside other solutions and innovations in the area of EVs is of pivotal concern, and we see the CHAMPP program as vital to the furtherance of safer, lighter, more energy-efficient, and more environmentally-friendly vehicles in the future”.

The CHAMPP project aims to build on the consortium’s prior alloy and hybridization research to develop and test new Aluminium alloy(s) better suited to future automotive needs. The focus will be on developing alloys that can first be cast and then subsequently built on to produce custom/complex features using AM techniques with a compatible alloy that maintains mechanical properties and performance.

Sajjad Amirkhanlou, Programme Director at Alloyed, commenting on the grant award, said: “We are delighted to be a part of the CHAMPP program and bring our considerable experience and expertise to the project. It is vital for AM — if it is to fulfill its true potential — that the speed, size, and cost limitations are addressed fully. Through the CHAMPP program, we will tackle these issues head-on by taking a multi-disciplinary approach and combining AM with an efficient and optimized casting process”.

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