项目介绍
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We are now looking for two PhD students in Materials Engineering with a focus on additive manufacturing for aeronautical applications
Work assignments
We are looking for two PhD students in Materials Engineering with a focus on additive manufacturing of metallic materials for aeronautical applications. The positions are financed by Vinnova, the Swedish Armed Forces and the Swedish aviation industry via the national aeronautical research program (NFFP). Both projects aim to ensure that the required mechanical properties are achieved in additively manufactured (AM) materials and that the manufactured components meet the performance and safety requirements of the aerospace industry. Both projects, which are conducted in close collaboration with GKN Aerospace Sweden AB or Saab AB, are described in detail below.
Project CREATE – Creep and dwell-fatigue in AM Ni-base alloys (in collaboration with GKN Aerospace Sweden AB): To safely introduce additive manufacturing (AM) by laser powder bed fusion (L-PBF) in critical aerospace components for operation at elevated temperature, the current underperformance in high temperature integrity compared to cast components must be elucidated. Despite all the recent efforts devoted to AM, printed material by L-PBF shows notoriously lower creep ductility and a higher dwell time fatigue crack growth rate compared to conventional counterparts. This is due to the unique, but from a high temperature properties point of view unfavourable, microstructure that is formed in L-PBF. The aim of this project is to understand the differences in creep and dwell crack propagation behaviour between L-PBF and conventionally manufactured material and reveal the underlying mechanisms responsible for the differences. The purpose is to develop processes and heat treatments that makes L-PBF material at least as damage tolerant as the cast and forged materials at engine conditions. This is crucial for the introduction of L-PBF parts in aero engine applications.
Project DETECT – Defect detection and impact on fatigue behavior for metal AM parts with complex geometries (in collaboration with SAAB AB): To apply additive manufacturing (AM) for critical parts in aerospace systems, a deeper understanding of detectability and impact of process induced defects is essential. The aim this project is to generate fundamental understanding on the detectability of defects using non-destructive testing (NDT), and the impact of various defect conditions on the fatigue performance of additively manufactured parts. By increasing the use of AM, weight reduction and improved performance of aerospace systems could be achieved which will contribute to more sustainable aviation by reducing emissions and lowering the threshold for hybridisation or electrification of smaller aerospace systems. AM is also a key technology for on-demand maintenance and local production of spare parts.
As a PhD student, you devote most of your time to doctoral studies and the research projects of which you are part. Your work may also include teaching or other departmental duties, up to a maximum of 20% of full-time.
Your qualifications
You have graduated at Master’s level in e.g. Mechanical Engineering, Material Science, Aeronautical Engineering or Applied Physics or completed courses with a minimum of 240 credits, at least 60 of which must be in advanced courses in e.g. Mechanical Engineering, Material Science, Aeronautical Engineering or Applied Physics. Alternatively, you have gained essentially corresponding knowledge in another way.
It is a merit if applicants for this position have knowledge in one or more of the following areas; metallurgy, materials and manufacturing technology, mechanical properties, solid mechanics, advanced material characterization techniques, mechanical testing and measurement techniques.
As the communication of research results mainly takes place in English, this employment requires advanced skills in English, both spoken and written. It is an advantage if you also have advanced skills in spoken and written Swedish. Experiences of conducting, writing and presenting research work in different contexts are meritorious.
Your workplace
The Division of Engineering Materials at Linköping University conducts research as well as undergraduate and postgraduate education in Materials Engineering.
Read more about the department’s activities here: https://liu.se/en/organisation/liu/iei/kmat
The employment
When taking up the post, you will be admitted to the program for doctoral studies. More information about the doctoral studies at each faculty is available at Doctoral studies at Linköping University
The employment has a duration of four years’ full-time equivalent. You will initially be employed for a period of one year. The employment will subsequently be renewed for periods of maximum duration two years, depending on your progress through the study plan. The employment may be extended up to a maximum of five years, based on the amount of teaching and departmental duties you have carried out. Further extensions can be granted in special circumstances.
Starting date 2024-10-01 or by agreement.
Background screening will be carried out before any decision on employment is made.
Salary and employment benefits
The salary of PhD students is determined according to a locally negotiated salary progression.
More information about employment benefits at Linköping University is available here.
Union representatives
Information about union representatives, see Help for applicants.
Application procedure
Apply for the position by clicking the “Apply” button below. Your application must reach Linköping University no later than 21 August 2024.
Applications and documents received after the date above will not be considered.
We welcome applicants with different backgrounds, experiences and perspectives – diversity enriches our work and helps us grow. Preserving everybody’s equal value, rights and opportunities is a natural part of who we are. Read more about our work with: Equal opportunities.
We look forward to receiving your application!
Linköping university has framework agreements and wishes to decline direct contacts from staffing- and recruitment companies as well as vendors of job advertisements.
Contact persons
Johan Moverare
Professor
+46 13 281141
Malin Thunström
HR-partner
+46 13 282583
URL to this page
https://web103.reachmee.com/ext/I011/853/main?site=7&validator=d7a66c13be778ef950c393a904293789&lang=UK&rmpage=job&rmjob=24907&rmlang=UK
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