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Laser for Magnesium: the influence of laser wavelength, and feedstock quality on the optical properties of Mg alloy for industrial needs

Project description

Additive manufacturing for magnesium alloy processing

Additive manufacturing is a highly promising solution in manufacturing, offering various benefits such as cost-effectiveness, speed, efficiency, and accuracy depending on the task at hand. However, additive manufacturing encounters a significant challenge when it comes to processing magnesium alloy, particularly the requirement for specialised high-power lasers. With the support of the Marie Skłodowska-Curie Actions programme, the LASER4Mg project aims to improve laser characteristics for magnesium alloy processing. It will study the optical spectral absorbance properties of magnesium, characterising laser effects, and examining the impact of process, machine, and power characteristics. The outcomes of this research will not only resolve a critical issue in the industry but also provide valuable insights and experience to the researchers involved.

Objective

The overall aim of the project is to obtain the most optimum laser characteristics that will improve the ability to process Mg alloys for laser based additive manufacturing method, which currently suffers immensely due to excessive evaporation of the powder feedstock. Lasers are a form of monochromatic electromagnetic radiation, that interact with each metal differently. In selective laser melting (SLM) process, when laser energy is applied to the Mg powder, two primary processes occur: absorption and reflectance. The laser wavelength determines the degree of absorption in the metal powder. Due to low absorbance of traditional yttrium doped fiber laser in infrared range, and low thermal conductivity, Mg processing requires using high power lasers that leads to rapid evaporation of Mg when the laser hits the melt pool.

To accomplish these goals, optical spectral absorbance properties of magnesium and its alloys in various forms (plate, block, powder) will be studied using UV-VIS-NIR spectroscopy. Effect of laser characteristics such as mode, power and wavelength on the absorbance response and process stability will be characterized. The impact of powder particle size distribution, plate thickness, surface quality, alloy compositions on laser-material interaction will be studied. The results will be used to obtain the highest success process window.

The project will create valuable knowledge for use in the field of SLM of Mg alloys. The existing scientific gaps and technological challenges associated with laser treatment of Mg alloys will be filled and sustained by commercialization by the researcher's current employer. The research plan is designed to solve an outstanding problem in the industry and will improve the long term employability of the researcher with his employer in Europe. The potential resulting technology will be a leap in the field of laser treatment of magnesium, increasing industrial capacity in EU and stimulate further R&D&I efforts. host name

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Keywords

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Programme(s)

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Topic(s)

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Funding Scheme

Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

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(opens in new window) HORIZON-MSCA-2023-PF-01

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Coordinator

LATVIJAS UNIVERSITATE
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 162 499,20
Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

No data

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