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Portal > Offres > Offre UMR7198-MARTAI-027 - Propriétés mécaniques de pièces issues de procédés d'élaboration additive à grande vitesse (H/F)

Mechanical and metallurgical properties of high speed additive manufacturing process (H/F)

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Français - Anglais

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General information

Reference : UMR7198-MARTAI-027
Workplace : NANCY
Date of publication : Thursday, March 26, 2020
Type of Contract : FTC Scientist
Contract Period : 12 months
Expected date of employment : 1 May 2020
Proportion of work : Full time
Remuneration : From €2,643 to €3,047 gross per month according experience
Desired level of education : PhD
Experience required : Indifferent

Missions

The candidate recruited, will be in charge of the characterization of the properties and mechanical health of the parts produced with a view to improving the process. He/she will be a driving force in the definition, dimensioning and establishment of test plans (mechanical/ fracture/ fatigue/ residual stresses...), which he/she will conduct within the IJL or subcontract.

Activities

His critical thinking, analytical skills and characterization capacity will enable him to implement relevant properties of the process database and project properties while contributing to the development of new and robust solutions in terms of productivity and material health.
The candidate will have skills in the following fields validated by a first experience during his PhD or appendix.

Skills

Mechanics: definition, execution and interpretation of mechanical tests (Charpy / Traction / Fatigue / CTOD...). Measurement of residual stresses.
Metallurgy/ processes: knowledge of additive manufacturing process/ heat transfer/ stress modeling, solidification, phase transformation, knowledge of metallurgy of titanium base alloys, Inconels, stainless steel and corrosion.
Metallographic : metallographic characterization, optics, SEM, TEM.
Transversals: Project Management, planning, reporting, writing articles, database implementation, interpersonal skills and teamwork.

Work Context

The Institut Jean Lamour (IJL) is a joint research unit (UMR 7198) of CNRS and Université de Lorraine It is linked to the Institute of Chemistry of CNRS.
Focused on materials and processes science and engineering, it covers: materials, metallurgy, plasmas, surfaces, nanomaterials and electronics.
It regroups 183 researchers/lecturers, 91 engineers/technicians/administrative staff, 150 doctoral students and 25 post-doctoral fellows.
Partnerships exist with 150 companies and our research groups collaborate with more than 30 countries throughout the world.
Its exceptional instrumental platforms are spread over 4 sites; the main one is located on Artem campus in Nancy.
The post-doctoral student will work in the Solidification team of the Jean Lamour Institute under the responsibility of Pr. D. Daloz in the framework of the project "Additive manufacturing processes - productivity" PAM PROD. The PAM PROD project brings a new solution to address production issues related to large parts, by developing a hybrid machine based on the use of GT and Laser WAM and CLAD® (Powder Deposition) technologies.
The objective of the project is to develop a new platform that will be integrated into IREPA LASER's additive manufacturing plant (AF), thus creating a real tool for the valorization of AF towards industrialists. This hybrid machine combining laser, wire deposition and powder deposition will have the capacity to manufacture compliant parts from the first trial, up to dimensions of 6 meters and by dividing the unit cost by 3.
The PAM PROD project brings together the partners Irepa-Laser- Aperam - Prodways - TPSH - ESTIA - IJL.

Constraints and risks

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Additional Information

One-year renewable contract

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