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Virtual hot Forming and Mechanical design of beta Titanium alloys: towards a sustainable process

Project description

Numerical models support sustainable advances in titanium forming processes

Beta-titanium alloys are highly valued in biomedical and aerospace applications for their excellent mechanical properties, light weight and suitability for implants. Given their increasing use, finding more sustainable forming methods is key. Factors such as the forming temperature and the chemical composition of the beta-stabiliser have been proven to influence the material deformation response and thus affect the forming processes. With the support of the Marie Skłodowska-Curie Actions programme, the ViFoMeTi project is developing an innovative integrated model capable of predicting the thermomechanical behaviour of such alloys, taking into account temperature and chemical composition for improved accuracy. The model will be validated for both room and high temperature forming.

Objective

The experienced researcher Bernardete Coelho, doctor in Mechanical Engineering from the University of Aveiro (Portugal), aims at leading research activities on the numerical modelling of the thermo-mechanical behaviour of β-metastable titanium alloys. Such activities will be carried out in Université Bretagne Sud (France) under the supervision of Prof. Sandrine Thuillier.
Advanced materials such as titanium alloys are considered as technological key enablers in societal challenges and a key factor in technological solutions, as they determine the process, the mechanical properties and the service life of an object. Regarding β-titanium alloys, they are more and more used in the biomedical and aeronautic fields and the modelling of their thermo-mechanical behaviour will become an enabling technology in order to perform forming at warm and elevated temperatures. Given the huge interest in the thermo-mechanical behaviour of lightweight β-titanium alloys, one objective of this project consists in its investigation and numerical modelling over a large range of temperatures. It is also intended to include the modelling of the occurrence of plastic instabilities in β-titanium alloys, for a biphasic material, i.e. titanium molybdenum with several compositions as well as an industrial material. Moreover, the technological part of this project aims to validate the thermo-mechanical models to the case of hot forming of a β-titanium alloy. Then, the final objective of this project is to perform a fast eco-audit, using eco-indicators, for different scenarios including hot forming and heat treatment for β-titanium alloys. Additionally, a business plan for a promising application will be developed. As a global overview, this project deals with the virtual forming and mechanical design of parts made out of β-titanium alloys for a large range of compositions, based on the modelling of the thermo-mechanical properties (up to rupture) of such alloys in a large range of temperatures.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)

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Call for proposal

(opens in new window) H2020-MSCA-IF-2020

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Coordinator

UNIVERSITE DE BRETAGNE SUD
Net EU contribution
€ 184 707,84
Address
RUE ARMAND GUILLEMOT 27
56100 Lorient
France
Region
Bretagne Bretagne Morbihan
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 184 707,84