Doctoral student (Licentiate) in Engineering Materials Science

Third-cycle subject: Engineering Materials Science

Cemented carbide tools are essential to Swedens manufacturing construction and mining industries due to their exceptional hardness and wear resistance. At the same time the supply of virgin tungsten (W) and cobalt (Co) is uncertain and only about 10% of todays cemented carbide tools are produced from recycled material. Increasing recycling is therefore crucial for reducing energy use climate impact and dependence on critical raw materials.

The aim of the PhD project is to contribute to a mechanistic understanding of how recycled raw materials influence the microstructure and performance of cemented carbides in demanding applications primarily metal cutting but also rock excavation. Recycled raw material often contains impurities which can affect the final properties of the product. The work builds on a pre-study in which realtime characterization under simulated loading conditions showed strong potential for explaining how impurities and microstructure govern material behaviour.

The project will be carried out within the CHARM project funded by Vinnova and involves close collaboration with leading industrial partners (Sandvik Coromant Seco Tools Sandvik Mining) as well as researchers at KTH and Lund University. It is also linked to Vinnovas competence centre NEXT and European networks such as AIMNEXT and RESQTOOL. The work includes development of new characterization methods analysis of microstructureproperty relationships and knowledgebased optimization of recycled cemented carbides.

The overall goal is to enable highperformance tools based on recycled materials thereby strengthening sustainability competitiveness and rawmaterial security for Swedish and European industry.

Supervision: Peter Hedström and Lisa Toller Nordström are proposed to supervise the doctoral student. Decisions are made on admission

To be admitted to postgraduate education (Chapter 7 39 Swedish Higher Education Ordinance) the applicant must have basic eligibility in accordance with either of the following:

• passed a second cycle degree (for example a masters degree) or
• completed course requirements of at least 240 higher education credits of which at least 60 second-cycle higher education credits or
• acquired in some other way within or outside the country substantially equivalent knowledge

In addition to the above there is also a mandatory requirement for English equivalent to English B/6.

In order to succeed as a doctoral student at KTH you need to be goal oriented and persevering in your work. During the selection process candidates will be assessed upon their ability to:

• independently pursue his or her work
• collaborate with others
• have a professional approach and
• analyze and work with complex issues.

After the qualification requirements great emphasis will be placed on personal skills.

Only those admitted to postgraduate education may be employed as a doctoral student. The total length of employment may not be longer than what corresponds to full-time doctoral education in four years time. An employed doctoral student can to a limited extent (maximum 20%) perform certain tasks within their role e.g. training and administration. A new position as a doctoral student is for a maximum of one year and then the employment may be renewed for a maximum of two years at a the case of studies that are to be completed with a licentiate degree the total period of employment may not be longer than what corresponds to full-time doctoral education for two years.

As a doctoral student you are entitled to a workplace with many employee benefits and monthly salary according to KTHs Doctoral student salary agreement. Read more about Doctoral studies (PhD) KTH Sweden.

Contact information forunion representatives.

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Apply for the position and admission through KTHs recruitment system. It is the applicants responsibility to ensure that the application is complete in accordance with the instructions in the advertisement.

Applications must be received at the last closing date at midnight CET/CEST (Central European Time/Central European Summer Time).

Applications must include the following elements:

• CV including your relevant professional experience and knowledge.
• Application letter with a brief description of why you want to pursue research studies about what your academic interests are and how they relate to your previous studies and future goals. (Maximum 2 pages long)
• Copies of diplomas and grades from previous university studies and certificates of fulfilled language requirements (see above). Translations into English or Swedish if the original document is not issued in one of these of originals must be certified.
• Representative publications or technical reports. For longer documents please provide a summary (abstract) and a web link to the full text.

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It may be the case that a position at KTH is classified as a security-sensitive role in accordance with the Protective Security Act (2018:585). If this applies to the specific position a security clearance will be conducted for the applicant in accordance with the same law with the applicants such cases a prerequisite for employment is that the applicant is approved following the security clearance.

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Disclaimer: In case of discrepancy between the Swedish original and the English translation of the job announcement the Swedish version takes precedence.

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