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Kungliga Tekniska högskolan, Skolan för industriell teknik och management
Third-cycle subject: Engineering materials science
During the stainless steel production route there is a control of the nitrogen content in the AOD converter. The nitrogen content increases when nitrogen is used as a process gas during the blowing. It can later be adjusted by flushing the steel melt with argon gas, or with a mixture of argon and nitrogen gas. If the correct nitrogen content is not achieved then the flushing needs to continue. In the worst cases this forces a re-heating of the steel bath since it loses too much temperature during the flushing operation. This can lead to decrease in quality in the final product.
The aim of the project is to develop methods that give the operators new possibilities to control the blowing procedure so that the wanted nitrogen content is reached. A model for the N2 partial pressure that gives the correct nitrogen content in the steel bath will be developed. With a better prediction model the above mentioned problems with extended flushing and re-heating will be avoided and the overall quality of the finished product will increase.
You will be required to work in close collaboration with other researchers from SWERIM and industry. The successful applicant must, therefore, be able to work as part of a team. The project will require a significant amount of thermodynamic modelling, data analysis and process modeling, for which the successful applicant will be responsible and so self-motivation is also important. Critical assessment of scientific literature and the data collected during the project will be vital. Creative and analytical problem solving skills are also required.
The position is for two years and leads to a Licentiate degree.
Supervision: The doctoral student will be placed at Royal Institute of Technology and be supervised by Associate Professor Mikael Ersson.
What we offer
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:
In order to succeed as an doctoral student at KTH you need to be goal oriented and persevering in your work. In the selection of the applicants, the following will be assessed:
Knowledge of materials science and process metallurgy is essential. Experience of working with data bases, thermodynamic modelling and process modelling (CFD) is highly desirable.
After the qualification requirements, great emphasis will be placed on personal qualities and personal suitability.
Target degree: Licentiate Degree
Information regarding admission and employment
Only those who are or have been admitted to third-cycle studies may be employed as a doctoral student. The term of the initial contract may not exceed one year and may there after be extended. Doctoral students may engage in teaching, research, and administration corresponding to a maximum of 20 % of a full-time position.
You will find contact information for union representatives on KTH's website .
Doctoral section (Students union on KTH Royal Institute of Technology)
You will find contact information for doctoral section on the section's website .
Apply for the position and admission through KTH's recruitment system. It is the applicant s 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/entral European Summer Time).
Applications must include the following elements:
Gender equality, diversity and zero tolerance against discrimination and harassment are important aspects of KTH's work with quality as well as core values in our organization.
For information about processing of personal data in the recruitment process please read here.
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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.
Type of employment: Temporary position longer than 6 months
Working hours: Full time
Salary: Monthly salary according to kth's doctoral student salary agreement
Reference number: M-2019-1802
Last application date: 2019-09-23
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