Yusuf Usta

Professor

Address: Gazi University, Faculty of Engineering, Mechanical Engineering Dept. Maltepe, 06570 Ankara, Turkey
Telephone: +90 312 5823407
Fax: +90 312 5823407
E-mail: yusta@gazi.edu.tr
Nationality: Turkish

WORK EXPERIENCE

Dates (from – to)
2019-current
Name and address of employer
Gazi University, Additive Manufacturing Technology Application and Research Center
Type of business or sector
Education, Research
Occupation or position held
Vice Head
Main activities and responsibilities
Research, Management
Dates (from – to)
2016-2020
Name and address of employer
Gazi University
Type of business or sector
Education
Occupation or position held
Head of Constructional and Technical Works
Main activities and responsibilities
Restoration and newly build of the infrastructure of the university
Dates (from – to)
2013-2016
Name and address of employer
Gazi University, Faculty of Engineering
Type of business or sector
Education
Occupation or position held
Vice Dean
Main activities and responsibilities
-
Dates (from – to)
2011-2013
Name and address of employer
Gazi University, Department of Mechanical Engineering
Type of business or sector
Education
Occupation or position held
Vice Head of Department
Main activities and responsibilities
-
Dates (from – to)
2019-current
Name and address of employer
Gazi University, Department of Mechanical Engineering
Type of business or sector
Education
Occupation or position held
Professor
Main activities and responsibilities
Manufacturing Processes, Material Science, Powder Metallurgy, Additive Manufacturing
Dates (from – to)
2014-2019
Name and address of employer
Gazi University, Department of Mechanical Engineering
Type of business or sector
Education
Occupation or position held
Associate Professor
Main activities and responsibilities
Manufacturing Processes, Material Science, Powder Metallurgy, Additive Manufacturing
Dates (from – to)
2006-2008
Name and address of employer
Virginia Commonwealth University, Department of Mechanical Engineering
Type of business or sector
Education
Occupation or position held
Visiting Professor
Main activities and responsibilities
Manufacturing Processes, Powder Metallurgy, Hydroforming, Sheet Metal Processing
Dates (from – to)
2006-2014
Name and address of employer
Gazi University, Department of Mechanical Engineering
Type of business or sector
Education
Occupation or position held
Assistant Professor
Main activities and responsibilities
Manufacturing Processes, Computer Aided Design, Material Science, Powder Metallurgy
Dates (from – to)
1989-2007
Name and address of employer
Gazi University, Department of Mechanical Engineering
Type of business or sector
Education
Occupation or position held
Research Assistant
Main activities and responsibilities
Manufacturing Processes, Computer Aided Design, Material Science, Powder Metallurgy

EDUCATION AND TRAINING

Dates (from – to)
1992-1999
Name and type of organization providing education and training
Gazi University Department of Mechanical Engineering
Principal subjects/occupational
Manufacturing Planning, Powder Metallurgy
Title of qualification awarded
Ph.D. in Mechanical Engineering
Dates (from – to)
1989-1992
Name and type of organization providing education and training
Gazi University Department of Mechanical Engineering
Principal subjects/occupational
Digital Control, Hydraulic Position Control
Title of qualification awarded
M.S. in Mechanical Engineering
Dates (from – to)
1985-1989
Name and type of organization providing education and training
Gazi University Department of Mechanical Engineering
Principal subjects/occupational
Mechanical Engineering
Title of qualification awarded
B.S. in Mechanical Engineering
Level in national classification
70.62/100

PERSONAL SKILLS AND COMPETENCES

MOTHER TONGUE
Turkish
OTHER LANGUAGES
English
Reading skills
Excellent
Writing skills
Very Good
Verbal skills
Very Good
SOCIAL SKILLS AND COMPETENCES
Living and working with other people, in multicultural environments, in positions where communication is important and situations where teamwork is essential (for example culture and sports), etc.
Member of the administrative board of Turkish Powder Metallurgy Association
Member of TMMOB Chamber of Mechanical Engineers
Member of Gazi University Sports Club
ORGANIZATIONAL SKILLS AND COMPETENCES
Coordination and administration of people, projects and budgets; at work, in voluntary work (for example culture and sports) and at home, etc.
Head of the Turkish Powder Metallurgy Association (2012-2018)
TECHNICAL SKILLS AND COMPETENCES
With computers, specific kinds of equipment, machinery, etc.
MS Office Programs, Autodesk Inventor, AutoCad
Mechanical Tests (Tensile, Compression, Hardness, Impact, Bending, Fatigue, Torsion)
Metallography
CNC programming and operating, tooling, use of conventional machine tools
Setting up experimental equipments
OTHER SKILLS AND COMPETENCES
Competences not mentioned above.
Directed several national and international research projects in powder metallurgy.
Supervised PhD and MSc Theses.
Authored or co-authored more than 20 articles in refereed journals and proceedings.
Took part in organizing comities of various scientific conferences and symposiums.
Reviewed in nearly 100 R&D and industrial projects.
Worked as technical assistant for SCI Indexed journal (11 years).
DRIVING LICENSE(S)
A2, B

AUTHORED OR CO-AUTHORED ARTICLES

ARTICLES IN PEER REVIEWED JOURNALS 1. Aycan Mehmet Fatih, Yaman Mesut Emre, Usta Yusuf, Demir Teyfik, Tolunay Tolga (2018). Investigation of toggling effect on pullout performance of pedicle screws. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 232(4), 395-402., Doi: 10.1177/0954411918755417

2. Aycan Mehmet Fatih,Tolunay Tolga, Demir Teyfik, Yaman Mesut Emre, Usta Yusuf (2017). Pullout performance comparison of novel expandable pedicle screw with expandable poly ether ether ketone shells and cement augmented pedicle screws. Journal of Engineering in Medicine, 231(2), 169-175., Doi: 10.1177/0954411916687792

3. Gülcan Orhan, Uslan Ibrahim, Usta Yusuf, Çogun Can (2016). Performance and surface alloying characteristics of Cu Cr and Cu Mo powder metal tool electrodes in electrical discharge machining. Machining Science and Technology, 20(4), 523-546., Doi: 10.1080/10910344.2016.1191031

4. Gülcan Orhan, Uslan Ibrahim, Usta Yusuf, Çogun Can (2016). EDM Performance of B4C Cu Based Sintered Tool Electrodes. Journal of Materials Science and Technology, 24(1), 3-10.

5. Kayhan Said Murad, Tahmasefibar Aydin, Koç Muammer, Usta Yusuf, Tezcaner Aysen, Evis Zafer (2016). Experimental and numerical investigations for mechanical and microstructural characterization of micro manufactured AZ91D magnesium alloy disks for biomedical applications. Materials & Design, 93, 397-408., Doi: 10.1016/j.matdes.2015.12.177

6. Attari Sanaz, Usta Yusuf (2015). Investigation on Type of Wear on PVD Coated Inserts Used on Up and Down Milling. International Journal of Advances in Mechanical & Automobile Engineering (IJAMAE), 2(1), 35-39.

7. Uslan Ibrahim, Erdogan S, Keles Ömer, Usta Yusuf, Bekir Sami Yilbas, Tuç Bedri (2012), Experimental Investigation of Laser Drilled Holes Variations Depending on Laser Drilling Parameters, Advanced Materials Research, 445, 448-453, Doi: 10.4028/www.scientific.net/AMR.445.448

8. Cora Ömer Necati, Koç Muammer, Usta Yusuf (2009). Micro manufacturing of micro scale porous surface structures for enhanced heat transfer applications an experimental process optimization study. Journal of Micromechanics and Microengineering, 1-12.

9. D.H. Min, G.S. Hwang, Y. Usta, O.N. Cora, M. Koc, M. Kaviany (2009). 2 D and 3 D modulated porous coatings for enhanced pool boiling. International Journal of Heat and Mass Transfer, 52, 2607-2613., Doi: 10.1016/j.ijheatmasstransfer.2008.12.018

10. Yilbas B.S., Karatas Cihan, Uslan Ibrahim, Usta Yusuf, Keles Ömer, Yilbas Z, Ahsan M (2008). Wedge cutting of mild steel by CO2 laser and cut quality assessment in relation to normal cutting. Optics and Lasers in Engineering, 46(10), 777-784., Doi: 10.1016/j.optlaseng.2008.04.019

11. Koç Muammer, Usta Yusuf, Alp Karakoç (2008). Investigations on thermo mechanical fabrication of micro scale porous surface features. Journal of Power Sources, 179(2), 592-602, Doi: 10.1016/j.jpowsour.2008.01.056

12. Al-Sulaiman F, B.S. Yilbas, Karatas Cihan, Keles Ömer, Uslan Ibrahim, Usta Yusuf, Bazoune A (2007). Laser Cutting of Kevlar and Mild Steel Composite Structure End Product Quality Assessment. Journal of Materials Engineering and Performance, 16(1), 22-29., Doi:10.1007/s11665-006-9003-1

13. Yilbas B.S., Karatas Cihan, Keles Ömer, Uslan Ibrahim, Usta Yusuf, Ahsan M, Yilbas Z (2006). Laser cutting of corners Assessment of cutting quality. Lasers in Engineering, 16(1-2), 157-171.

14. Karatas Cihan, Keles Ömer, Uslan Ibrahim, Usta Yusuf (2006). Laser cutting of steel sheets Influence of workpiece thickness and beam waist position on kerf size and stria formation, Journal of Materials Processing Technology, 172(1), 22-29., Doi:10.1016/jjmatprotec.2005.08.017

15. B.S. Yilbas, Khaled M, Karatas Cihan, Uslan Ibrahim, Keles Ömer, Usta Yusuf, Ahsan M (2006), Electrochemical properties of the laser nitrided surfaces of Ti 6Al 4V alloy. Surface and Coatings Technology, 201(3-4), 679-685., Doi: 10.1016/j.surfcoat.2005.12.028

16. B.S. Yilbas, Karatas Cihan, Uslan Ibrahim, Keles Ömer, Usta Yusuf, Ahsan M (2006). CO2 laser gas assisted nitriding of Ti 6Al 4V alloy. Applied Surface Science, 252(24), 8557-8564., Doi:10.1016/j.apsusc.2005.11.076

ARTICLES IN PEER REVIEWED CONFERENCES AND SYMPOSIUMS 1. Usta Yusuf, Balci Arif, Aslanpinar Taha, Apak Alper (2019). Investigation of open porous aluminum foam production by powder metallurgy for heat exchangers. 4th The International Porous and Powder Materials Symposium and Exhibition Symposium (PPM2019), 205-208.

2.Sahin Gökhan, Serkan Toraman, Alper Apak, Usta Yusuf (2019). Thermal Analysis of a Porous Aluminum Structure Embedded on A Heat Pipe. 4th International Porous and Powder Materials Symposium and Exhibition Symposium (PPM2019), 172-175.

3. BALCI ARIF, Küçükaltun Furkan, Aycan Fatih, USTA YUSUF (2019). Reproducibility of Trabecular Bone Structure by Selective Laser Melting Method Using TI6Al4V, International Congress on Social Sciences (INCSOS 19), 255-262.

4. Küçükaltun Furkan, Balci Arif, Aycan Fatih, Usta Yusuf, Demir Teyfik (2019). Production of Replicated Trabecular Bone Structure by Selective Laser Melting Method Using Ti6al4v Powder and Investigation of Geometric Accuracy. The International Conference on Materials Science, Mechanical and Automotive Engineering and Technology (IMSMATEC 19), 533-538.

5. Pehlivan Tolga, Usta Yusuf (2018). Establishment of Incentive System for Press Machine Which Is Used in Metal Manufacturing Sector for Making Safety According to Occupation Safety. 9th International Congress on Occupational Safety and Health, 1, 346-361.

6. Güner Semih, Balci Arif, Usta Yusuf (2018). The Effects of Building Angle on the 420J2 Stainless Steel Parts with Using Direct Energy Deposition Method, The International Conference on Materials Science Mechanical and Automotive Engineering and Technology (IMSMATEC’18), 197-200.

7. Gidikova Nelly, Erdogan Ayse Kübra, Usta Yusuf, Valov Radoslav,Petkov Vladimir (2016). Wear Resistance of Composite Coatings of Chromium and Nanodiamonds On Sintered Ferrous Materials. NDT Days 2016, 1(187), 265-267.

8. Gülcan Orhan, Uslan Ibrahim, Usta Yusuf, Çogun Can (2015). EDM Performance of B4C Cu Based Sintered Tool Electrodes. Materials Science, Hydro- and Aerodynamics and National Security ’2015.

9. Erdogan Ayse Kübra, Usta Yusuf (2015). Investigation on Hardness Behavior of Porous Powder Metallurgy Parts Coated with Diamond Nanoparticles Modified Chromium. 2nd International Porous and Powder Materials Symposium and Exhibition PPM 2015.

10. Mamaghani Sanaz A, Usta Yusuf (2015). Investigation on Type of Wear on PVD Coated Inserts Used on Up and Down Milling. International Conference on Applied Mechanics, Production and Nanotechnology

11. Erdogan Ayse Kübra,USTA YUSUF (2015). Investigation on Wear Behavior of Porous Powder Metallurgy Parts Coated with Diamond Nanoparticles Modified Chromium, The Second International Iron and Steel Symposium (IISS’15), 245-248.

12.Günel Onur, Usta Yusuf (2015). Investigation on the Production Parameters of Porous

Stainless Steel P M Parts to be Used on Cooling Units of Fuel Cells. PM 2015 Conference, India.

13. Usta Yusuf (2015). Enhancing the Competitiveness of European Powder Metallurgy SMEs by An Improved Quality Assurance Tool Based on Latest Digital Radiographic Achievements DIRA GREEN. PM 2015 Conference, India

14. Tahmasefibar Aydın, Kayhan Said Murad, Evis Zafer, Usta Yusuf, Koç Muammer (2014). Fabrication of Micro Scale Porous Surfaces for Mg Based Implants. Materials Science and Technology (MS&T) 2015

15.Gülcan Orhan, Uslan Ibrahim, Usta Yusuf, Çogun Can (2014). Electro Discharge Machining Performance of Chromium Copper Powder Metal Electrodes. 7th International Powder Metallurgy Conference

16. Isık Erdinç, USTA YUSUF (2014). The Production of Al-12Si Matrix Composite Reinforced With SiC Particles By Powder Metallurgy And Analysis Of The Wear Behavior, 7th International Powder Metallurgy Conference

17. Tahmasebifar Aydın, Kayhan Said Murad, Evis Zafer, Usta Yusuf, Koç Muammer (2014). Feasibility Studies for the Manufacturability of Mg Based Micro textured and Porous Surfaces for Biomedical. 7th International Powder Metallurgy Conference

18. Günel Onur, Usta Yusuf (2013). Surface Roughening of Stainless-Steel Plates by Electrochemical Etching Techniques used for Porous P M Applications. 1st International Porous and Powder Materials Symposium and Exhibition PPM 2013

19. Köylü Adem, Usta Yusuf (2011). Investigation of Production Parameters of Porous Stainless-Steel Surfaces Used on Fuel Cells. 6th International Powder Metallurgy Conference, 329-338.

20. Aswad Shakar, Usta Yusuf (2011). Effect of Parameters of Spray Forming on Porosity, 6th International Powder Metallurgy Conference, 691-699.

21. Uslan Ibrahim, Erdogan S, Keles Ömer, Usta Yusuf, Yilbas B.S., Tuç Bedri (2011). Experimental Investigation of Laser Drilled Holes Variations Depending on Laser Drilling Parameters. 14th International Conference on Advances in Materials & Processing Technologies (AMPT2011)

22. Usta Yusuf, Köylü Adem, Cora Ömer Necati, Koç Muammer (2010). Production of Micro Scale Porous Structures by P M for Heat Exchanger Applications. 13th International Materials Symposium (IMSP’2010)

23. Usta Yusuf, Uslan Ibrahim (2009). Powder Metallurgy in Turkey. NDT Days, Bulgaria

24. Koç Muammer, Cora Ömer Necati, Usta Yusuf, Min Dahye, Kaviany M (2008). Micro manufacturing of modulated porous surface layers for enhanced heat mass transfer applications.5th International Powder Metallurgy Conference, 772-793.

25. Urtekin Levent, Usta Yusuf, Uslan Ibrahim, Sarıtas Süleyman (2008). Investigation of the apparent density of metal powders the effects of mixing various powder sizes and powder geometry. 5th International Powder Metallurgy Conference, 829-835.

26. Usta Yusuf, Cora Ömer Necati, Koç Muammer (2008). Micro manufacturing of porous and modulated surface structures for enhanced heat transfer applications Experimental investigations on process parameters. 3rd International Conference on Micro Manufacturing (ICOMM’08)

27. Usta Yusuf, Cora Ömer Necati, Koç Muammer (2007). Experimental Investigations on Development of Rapid Die Wear Tests for Stamping of Advanced High Strength Steels. International Manufacturing Science and Engineering Conference (MSEC2007)

28. Mahabunphachai Sasawat, Usta Yusuf, Koç Muammer (2007). Investigation of Temperature and Strain Rate Effects on Material Flow Curve and Microstructure of Aluminum Sheet Metal Alloys. Materials Science and Technology (MS&T) 2007, 15-30.

29.USTA YUSUF, ERCAN YÜCEL (1993). Modeling Analysis and Testing of a Computer Controlled Hydraulic System. International Balkan IFAC Symposium ETAI

PROJECTS DIRECTED National and International 35 Projects (Director or Researcher)