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Materials science and engineering is one of engineering’s most highly interdisciplinary and dynamic disciplines. Materials scientists and engineers seek to understand the fundamental relationships between the structure, properties, processing, and performance of materials toward the synthesis of new materials. They also develop improved processes for making materials and work to understand the role of materials in the functioning of biological organisms.
At Johns Hopkins, materials science and engineering exists at the intersection of some of the most cutting-edge scientific and application oriented fields, such as energy, biomedicine, nanotechnology, aerospace, and electronics. Students here have the opportunity to work in one of 37 world-class laboratories, with one-on-one faculty mentoring. Our faculty-to-student ratio is 1-to-5, so you and your career goals will get plenty of individualized attention. Our focus areas of nanotechnology and biomaterials provide a solid foundation for future career development, allowing you to move in many exciting directions.
To receive the degree of Ph.D., the candidate must fulfill the requirements below. The department must be satisfied that all academic requirements have been satisfied by the candidate before a recommendation will be made to the University Graduate Board to confer the Ph.D. degree.
- Successful completion of four required courses in materials science and engineering.
EN.510.601 Structure of Materials 3.00 EN.510.602 Thermodynamics of Materials 3.00 EN.510.603 Phase Transformations of Materials 3.00 EN.510.615 Physical Properties of Materials 3.00
Each of the four required courses must be passed with a letter grade of B- or higher. If a student receives a grade of C+ or lower in a required course, the student may re-take the course once to achieve a grade of B- or higher. Receipt of grades of C+ or lower in two or more required courses will ordinarily be cause for dismissal from the program without the opportunity to re-take those courses.
In addition, the student must maintain an overall GPA of 3.0 or better in the four required courses. If the student’s GPA falls below 3.0, the student must re-take one or more of the required courses and earn higher grade(s). Upon doing so the prior grade(s) in those course(s) are replaced and not counted toward the GPA.
The four required courses must be successfully completed (meeting the grade and GPA requirements above) no later than the start of the student’s third year after matriculation; failure to do so will result in dismissal from the program. Exception: A student who fails to meet the requirements above due to a low grade in a single required course, and who has not had an opportunity to re-take that course during the first two years, will be permitted to re-take that one course in the third year.
Students who have completed prior graduate-level coursework similar to EN.510.601 Structure of Materials, EN.510.602Thermodynamics of Materials or EN.510.603 Phase Transformations of Materials may petition the Graduate Program Committee to waive one of these required courses. Alternatively, students with undergraduate degrees in Materials Science may petition the Graduate Program Committee to waive the Physical Properties course. However, only one of the four required courses can be waived. If approved, the course that has been waived will not be counted toward calculation of the GPA as described above. Written requests for such waivers must be submitted to the Graduate Program Committee no later than the end of the first semester after matriculation. Please note that transfer coursework grades do not count towards calculation of the GPA.
- Successful completion of three advanced (600-level or higher) elective courses in materials science and engineering or a related field.
Elective courses must be completed with a grade of C or higher, but there is no cumulative GPA requirement. A list of approved electives is available from the Academic Program Coordinator. Students wishing to use a course not on this list must submit a request to the Graduate Program Committee no later than the end of the first week of the semester in which the course is taken. Students who have completed prior graduate-level coursework may petition the Graduate Program Committee to waive one of the required elective courses.
Graduate research (EN.510.807-EN.510.808), part-time graduate courses (from Engineering for Professionals in WSE or Advanced Academic Programs in KSAS), and seminars (courses with less than three contact hours per week) will not be counted toward completion of PhD course requirements. Undergraduate courses (400-level or lower) will not be counted unless they are cross-listed as graduate level, 600 or higher. Independent study courses may be used with prior approval of the Graduate Program Committee.
Students who have completed prior graduate-level coursework may petition the Graduate Program Committee to waive one of the required elective courses. Written requests for such waivers must be submitted to the Graduate Program Committee no later than the end of the first semester after matriculation.
In some cases an advisor may require a student to complete additional coursework, beyond the four required courses and three electives described above.
- Teaching Assistant Requirement.
Students in their second year in the department will be required to act as teaching assistant for two courses.
- Successful completion of a comprehensive oral examination covering fundamentals of materials science and engineering. The comprehensive examination tests knowledge in each of the subjects listed below:
–Structure of materials
–Thermodynamics of materials
–Phase transformations in materials
In each of the three subject areas, students may be asked questions related to the properties of materials. The depth of required knowledge regarding properties of materials will match the level of knowledge presented in the Physical Properties of Materials class.
Successful completion of the comprehensive exam requires satisfactory performance on all areas tested; there are no partial or conditional passes.
The comprehensive exam is offered semiannually, usually immediately prior to the fall and spring semesters. A student who fails the exam on the first try may make a second attempt, but the exam must be successfully completed no later than the start of the third year following matriculation. Failure to do so will result in dismissal from the program.
- An oral presentation of a proposal for a research project to form the basis of the candidate’s dissertation.
The dissertation proposal must be presented at a department seminar no later than the end of the third year following matriculation. A written version of the dissertation proposal must be submitted to a faculty committee consisting of the student’s faculty advisor and two other faculty members (to be selected in consultation with the advisor) no later than two weeks prior to the oral presentation. A brief closed session between the student and the committee shall follow the presentation, at which the committee members will ask questions about and provide comments on the proposed plan of research. Additional private discussions may be required by one or more committee members. The thesis proposal is also an examination, with the committee testing the candidate’s depth of knowledge in his or her area of specialization (and not simply on the specific proposed research).
- Completion of an original research project, documented in a dissertation that is defended by the candidate in a public presentation.
Candidates must write a dissertation conforming to university requirements that describes their work and results in detail. A public defense of the dissertation is required, and will be followed by a closed examination session. The committee for the closed examination shall consist of five faculty members, approved by the Graduate Program Committee, with at least two members being from outside the department. The outcome of the closed examination will be decided by majority vote of the committee. Because the closed examination session fulfills the university Graduate Board Oral (GBO) examination requirement, all procedures pertaining to GBOs as established by the University Graduate Board must be followed.
The committee may impose certain conditions (e.g. changes to the dissertation) for the candidate to meet prior to final certification that he or she has passed the exam. For this reason, the thesis defense must be scheduled for a date at least two months prior to any personal or university deadline for graduation. A complete draft of the dissertation must be submitted to all committee members no later than two weeks prior to the defense.
The dissertation in its final form must be read and approved in writing by two members of the committee (the advisor and one other member to be chosen by the committee as a whole).
- Letters of Recommendation (2),
- Statement of Purpose,