Postdoc: Innovate with Microstructural Engineering in Additive Manufacturing of Stainless Steel 316L and 17-4 PH! - DTU Construct

Exciting Postdoc Opportunity in Microstructural Engineering for Additive Manufacturing! Join the MicroAM Villum Investigator project to enhance toughness and fatigue resistance in AM steel 316L and 17-4 PH through innovative in-situ and post-AM microstructural engineering.
Are you passionate about pushing the boundaries of additive manufacturing? The Department of Civil and Mechanical Engineering at DTU invites you to join our team as a postdoc for 2.5 years within the Villum Investigator project, ‘Microstructural Engineering of Additive Manufactured Metals—MicroAM’.

This role is perfect for you if you're eager to lead innovative research, applying cutting-edge tools like a laboratory-based X-ray microscope to map local residual stresses. You'll gain hands-on experience in experimental work focused on optimizing the microstructure of AM steels 316L and 17-4 PH to enhance toughness and fatigue resistance. Working in a collaborative environment, you'll engage with experts using advanced AM simulations to guide your research.

If you're ready to make a significant impact in the field of additive manufacturing and microstructural engineering, we encourage you to apply and become a key player in our groundbreaking project!

Responsibilities and qualifications
For 316L, our microstructural engineering will focus on in-situ optimization of the local distribution of grain sizes, crystallographic orientations, and stresses by the novel possibility of varying the laser beam shape and spot size while printing. For AM 17-4 PH, we will use heat treatments (in-situ as well as ex-situ) to control the aging process, with the aim of developing a tailored microstructure with layered precipitation.

Your primary tasks will be:

• Print 316L and 17-4 PH stainless steel samples with optimized parameters.
• Optimize the aging treatment of AM 17-4 PH stainless steel.
• Perform non-destructive 3D and 4D characterizations of the microstructural evolution during straining and annealing.
• Conduct tensile and fatigue tests.
• Link printing parameters, microstructural characteristics, and resulting mechanical properties.

You will work in close collaboration with a group of senior scientists, technicians, as well as Post Docs and PhDs. The work will also involve collaboration with selected external partners.

Required Qualifications:

• Strong background in metal additive manufacturing, especially laser powder bed fusion.
• Expertise in microstructural characterization techniques such as XRD, SEM, EBSD, and TEM.
• Experience in mechanical testing, including tensile and fatigue tests.
• Proficiency in advanced data science, including machine learning.
• Knowledge of physical metallurgy, particularly in steels.
• Excellent English communication skills.

As a formal qualification, you must hold a PhD degree (or equivalent).

We offer
DTU is a leading technical university globally recognized for the excellence of its research, education, innovation and scientific advice. We offer a rewarding and challenging job in an international environment. We strive for academic excellence in an environment characterized by collegial respect and academic freedom tempered by responsibility.

Salary and terms of employment
The appointment will be based on the collective agreement with the Danish Confederation of Professional Associations. The allowance will be agreed upon with the relevant union.

The period of employment is 2.5 years, starting from March 2025.

You can read more about career paths at DTU here.

Further information
Further information may be obtained from Professor Dorte Juul Jensen, [email protected], or Senior Researcher Tianbo Yu, [email protected].

You can read more about our department at www.construct.dtu.dk.

If you are applying from abroad, you may find useful information on working in Denmark and at DTU at DTU – Moving to Denmark.

Application procedure
Your complete online application must be submitted no later than the 6 January 2025 (23:59 Danish time). Applications must be submitted as one PDF file containing all materials to be given consideration. To apply, please open the link "Apply now", fill out the online application form, and attach all your materials in English in one PDF file. The file must include:

• Application (cover letter)
• CV
• Academic Diplomas (MSc/PhD – in English)
• List of publications

Applications received after the deadline will not be considered.

All interested candidates irrespective of age, gender, disability, race, religion or ethnic background are encouraged to apply. As DTU works with research in critical technology, which is subject to special rules for security and export control, open-source background checks may be conducted on qualified candidates for the position.

DTU Civil and Mechanical Engineering develops and utilizes science and technical knowledge for the benefit of society and sustainable development. We undertake research, education, innovation, and scientific advice of the highest quality within building design and processes, building construction and safety, building energy and installation, solid mechanics, fluid mechanics, materials technology, manufacturing engineering, engineering design and thermal energy systems.

Technology for people
DTU develops technology for people. With our international elite research and study programmes, we are helping to create a better world and to solve the global challenges formulated in the UN’s 17 Sustainable Development Goals. Hans Christian Ørsted founded DTU in 1829 with a clear mission to develop and create value using science and engineering to benefit society. That mission lives on today. DTU has 13,500 students and 6,000 employees. We work in an international atmosphere and have an inclusive, evolving, and informal working environment. DTU has campuses in all parts of Denmark and in Greenland, and we collaborate with the best universities around the world.

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