APT Positions Available


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Post-doctoral proposal

Project LAETICIA: Microstructural characterization of metallic alloys of industrial interest irradiated with electrons

Groupe de Physique des Matériaux
UMR CNRS 6634 – Université de Rouen Normandie et INSA de Rouen


Supervisors: Auriane ETIENNE
Contact: Auriane ETIENNE, 0232955138. Interested candidates should send their application (CV + cover letter) to: auriane.etienne@univ-rouen.fr

Details on funding and duration: The project « LAETICIA » (Ligne d’Accélérateur d’Electrons pour le Traitement et l’Investigation en Conditions d’Irradiation Adaptées) is funded by the Normandy Region via the Normandy Interest Networks (RIN Collaboratifs: Réseaux d’Intérêts Normands) and the European Union with the European Regional Development Fund (FEDER: Fonds Européen de Développement Régional). The 1-year fixed-term contract will begin in October 2019.

Keywords:
Metallic alloys, irradiation, microstructure, atom probe tomography, electron microscopy

Presentation of the institution and context:
The Materials Physics Group (GPM) is a Research Unit (UMR) between the CNRS, the University of Rouen Normandy and the INSA of Rouen Normandy. The GPM is a research laboratory specialized in scientific instrumentation and the study and characterization of materials. The post-doctoral project will take place in the department “Metallurgy, Ageing and Mechanics” within the team ERMEN (Materials Under Extreme Conditions).

One of the research topics within the ERMEN aims to understand mechanisms of ageing under irradiation of steels used in pressurized water reactors (PWR), and to correlate the evolution of the microstructure with the evolution of mechanical properties.  As part of LAETICIA project, an irradiation chamber has been designed to irradiated materials with electrons under specific temperature and pressure conditions. Thus, LAETICIA offers the possibility to irradiate with electrons metallic alloys of industrial interest: alloys representative of bainitic steels used for PWR vessels and ferriticmartensitic steels, potentials structural materials for future reactors (Gen IV).

In both cases, it is important to understand mechanisms that govern the microstructural evolution under irradiation: this make possible to improve the life time of PWRs in the first case, and to optimize structural materials under development in the second case.
Irradiating these materials with electrons is an excellent complement to ongoing studies in the laboratory on neutron and ion irradiated materials. Electron irradiated microstructures will be characterized at atomic scale using GENESIS plateform in GPM (electron microscopes, atom probe tomography). Experimental results will be interpreted using numerical simulations at the same scale. Numerical simulations will be performed by EDF. Experimental results coupled with the modeling will allow to validate the efficiency of the irradiation chamber in one hand, and to understand mechanisms at the origin of microstructural evolution under irradiation in the other hand.

A batch of samples, representative of steels for nuclear reactors of generations II and IV will be electron irradiated during the second semester 2019.

Description of the actions:
The post-doctoral researcher will be in charge of the microstructural studies using atom probe tomography of sample before and after electron irradiation:
- Sample preparation with focused ion beam (SEM-FIB)
- Analyses of samples by atom probe tomography
- Data treatment
- Result interpretation

Transmission electron microscopy analyses could be envisaged depending on results obtained by atom probe tomography.
Results will be compared with already obtained data on similar materials irradiated with neutrons and/or ions.

Candidate profile:
The candidate, holder of a PhD thesis must have a background in material sciences and metallurgy. A candidate with experimental qualities in scanning electron microscope and/or atom probe tomography is mandatory.
Remuneration:
Monthly gross salary between 2600 € and 2800 € according to experience


OPEN POSITION

Post Doctorate RA - Atom Probe Tomography
PNNL - Richland, WA
Job ID: 309105
Directorate: Physical & Computational Sciences
Division: Physical Sciences
Group: Materials Sciences

Full/Part Time: Full-Time
Regular/Temporary: Temporary


The Opportunity
Pacific Northwest National Laboratory (PNNL) is a world-class research institution powered by a highly educated, diverse workforce committed to collaboration and work–life balance. Every year, scores of dynamic, driven postdocs come to PNNL to work with renowned researchers on meaningful science, innovations and outcomes for the U.S. Department of Energy and other sponsors; here is your chance to be one of them!

Contribute to PNNL’s goals in Material science as part of the Lab’s Physical Sciences Division (PSD). As a postdoctoral researcher in the Materials Sciences group, you will join a talented, multi-investigator team to explore the microstructural evolution and structure-property relationship of metallic alloys and functional materials. You will be mentored by prominent researchers, including senior investigators in Material science group of PSD, as you develop a line of experimental research, working to understand the detailed atomic scale microstructural evolution of metallic alloys and functional materials during various thermomechanical processing and during exposure to extreme environments. You will also work to better understand processes such as phase transformations, role of interfaces in mass and energy transfer in materials, in situ probing of phase transformation mechanisms in materials. This position will utilize many advanced capabilities in the Environmental Molecular Sciences Laboratory (EMSL), a unique DOE User Facility on the PNNL campus.

The Ideal Candidate
If you are a postdoctoral researcher ready to test your talents and training in materials sciences and hone
your skills at a national laboratory widely recognized for its work in the physical sciences, we want to connect
with you. Details are below; you do not need to meet all of the preferred qualifications to be considered.

What you will do:
• Conduct fundamental and applied research in materials science and metallurgical engineering
specifically in the area of phase transformation and microstructure-mechanical property relationships.
Be responsible for completion of assignments individually and as a member of a team
Lead manuscript development and maintain a strong overall publication record in the peer-reviewed
scientific literature
Interact, communicate, and problem solve with a diverse team of research staff within the materials
sciences group, EMSL, PSD and across PNNL
Present research at technical conferences and project/program review meetings
Participate in the development of research proposals
PNNL is committed to diversity and inclusion; applications from women, minorities, individuals with disabilities,
and veterans are strongly encouraged.

Email PNNL Recruiter Fred Bond at
Fred.Bond@pnnl.gov for details


OPEN POSITION

Research Associate
Coventry University

Research in the group of Dr. Bo Chen at Coventry University focusses on the development of mechanistic understanding of mechanical performance of materials used for safety-critical components, with a particular interest in the use of combined advanced experimental and modelling tools across different length-scales. Dr. Bo Chen’s group consists of 6 PhD students in the UK and 2 PhD and 3 MRes students in Beijing and Shanghai, China.

Thanks to the recent EPSRC Early Career Fellowship Award to Dr. Bo Chen 2019-2024
, we now have an opportunity for a Postdoctoral Research Associate to join this group and contribute to advanced microstructural characterization, including Focused Ion Beam (FIB), High Resolution Transmission Electron Microscopy (HR-TEM)and Atom Probe Tomography (APT), to a study of Type 316L(N) stainless steel used for next-generation sodium-cooled fast reactors. The aim of the research is to understand and provide quantitative description of the long-term microstructural degradation associated with thermal ageing and/or creep-fatigue in Type 316L(N) stainless steels.

You will be based in Faculty of Engineering, Environment and Computing, Materials and Structural Integrity Research Group and will be jointly supervised by Dr Bo Chen, Dr David Parfitt (A Materials Physicist and Senior Lecturer in Materials Engineering) and Prof. Michael Fitzpatrick (A non-executive director of Diamond Light Source Limited, the UK’s national synchrotron X-ray facility, and the Lloyd’s Register Foundation Chair of Structural Integrity and Systems Performance), supporting a range of research projects in their group. You will have frequent travels to Oxford Materials and spend a significant amount of time at Oxford by working with Dr Chen’s research partner, Prof. Michael Moody, (Professor of Materials and Fellow of Trinity College) on advanced microstructural characterization.

Duties and Responsibilities
1. Plan and manage own research activity, including:
Designing, conducting and recording outcome of advanced microstructural characterization.
Designing and conducting literature and database searches and preparing reviews of findings.
Analysis, interpretation and evaluation of research outcomes.
2. Develop research objectives and proposals for own or joint research under the direction of the Principal Investigator.
3. Communicate complex research information using a range of methods and media, including to the public where appropriate. This may include material of a specialist or highly technical nature.
4. To undertake the publication of your research results and outcomes with a view to developing a national/international profile. Contribute to REF impact rated nationally/internationally excellent by publishing peer-reviewed papers at top journals in the field.
5. Build or help to maintain internal and external contacts and networks.
6. Undertake (co-)supervision of PhD students and small-scale projects.
7. Continually update knowledge and understanding in the discipline and develop new research techniques and approaches to enable contribution within established research programmes.



For additional information, or to apply, click here.



OPEN POSITION
Post-Doctoral Research Appointment in Nanomaterials Characterization
The University of Alabama

Professor Gregory B. Thompson at The University of Alabama is seeking candidates to fill a post-doctoral research position. The candidate will be involved in research activities in characterizing nanoscale materials through atom probe tomography and various transmission electron microscopy techniques including precession electron diffraction, in situ mechanical testing in the TEM, and HRTEM. The specific programs funding this research involve quantification of solute segregation behavior to grain boundaries to mitigate grain growth in nanocrystalline alloys as well as clustering and precipitation in multicomponent magnetic alloys used for electric propulsion. Successful candidates in this position will be expected to publish in peer-reviewed journals, present at professional society conferences, assist in report writing to the sponsors of these programs, and provide guidance of graduate students in these topics.

The candidate will join a highly dynamic research group of multiple graduate students and other postdoctoral researchers. Details of Professor Thompson’s research activities can be found here.

The University of Alabama (UA) has a suite of state-of-the-art analytical microscopy equipment, including the newest generation Local Electrode Atom Probe (LEAP) 5000XS. Further details on UA’s Central Analytical Facility can be found here.
This appointment will offer ample opportunities to use this equipment to advance these programs.

The successful candidate should hold a doctorate degree in Materials Science & Engineering or a closely related field with demonstrated experience and expertise in one or more of the areas of atom probe tomography, cross-correlative microscopy, transmission electron microscopy, and focus ion beam specimen preparation. The position will be for one year, with renewal funding based on performance and available funding.

Interested candidates are encouraged to contact Professor Thompson directly as well as apply for the post-doctoral position through the University of Alabama site.


The position would ideally begin March 1
st, 2019 but can be adjusted dependent on candidate qualifications.


OPEN POSITION

Professor / Associate Professor in Material Science and Engineering (Atom Probe Tomography)

Norwegian University of Science and Technology
NTNU

ABOUT THE POSITION

The Department of Materials Science and Engineering has a vacancy for a Professor / Associate Professor in Material Science and Engineering (Atom Probe Tomography).

NTNU is seeking a highly qualified candidate for this Professor / Associate Professor position. A new state-of-the-art 3D Atom Probe instrument will provide unique research opportunities.

The position will strengthen the research profile in materials characterization at the department towards a cross-disciplinary research activity in the field of 3D Atom Probe Tomography (APT) characterization.

The successful applicant will also contribute to teach on MSc and PhD levels in materials science and engineering, with a focus on materials.

The position reports to the head of the department.

For more information, or to apply, click here.

Additional information, if required, can be obtained by contacting:
Jostein Mardalen
Head of Department
EMAIL



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