Assistant Professor Yusuf USTA
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Gazi University, Faculty of Engineering,

Department of Mechanical Engineering,

Maltepe, 06570, Ankara Turkey

Tel :+90. 312. 582 3407
Fax :+90. 312. 231 98 10
E-mail : uyusuf@gazi.edu.tr


Curriculum Vitae
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EDUCATIONAL INFORMATION

B.S. 1985-1989, Mechanical Engineering Department, Gazi University, Ankara, Turkey
M.S. 1989-1992, Mechanical Engineering Department, Gazi University, Ankara, Turkey
PhD 1992-1999, Mechanical Engineering Department, Gazi University, Ankara, Turkey

PROFESSIONAL INFORMATION

1989-2002 Research assistant, Mechanical Eng. Dept., Gazi University
2002-2006 Instructor, Mechanical Eng. Dept., Gazi University
2006-... Assistant Professor, Mechanical Eng. Dept., Gazi University
2011-... Vice Head of Dept., Mechanical Eng. Dept., Gazi University
2006-2008 Visiting Professor, Mechanical Eng. Dept., Virginia Commonwealth University, USA
2002 Organizing Committee of Third International Powder Metallurgy Conference, Ankara, Turkey, September 4-8, 2002.
2008 Organizing Committee of Fifth International Powder Metallurgy Conference, Ankara, Turkey, October 4-8, 2008.
2011 Organizing Committee of Sixth International Powder Metallurgy Conference, Ankara, Turkey
1999-2010 Member of Publication Committee, Journal of The Faculty of Engineering and Architecture of Gazi University

MEMBERSHIPS

Turkish Chamber of Mechanical Engineers (TMMOB-MMO).

Turkish Powder Metallurgy Society (TTMD).


Publications | To the top |


1. Papers
  •  D.H. Min, G.S. Hwang, Y. Usta, O.N. Cora, M. Koc, M. Kaviany, “2-D and 3-D modulated porous coatings for enhanced pool boiling”, International Journal of Heat and Mass Transfer 52 (2009) 2607–2613.
  • Omer N Cora, Yusuf Usta and Muammer Koc¸ “Micro-manufacturing of micro-scale porous surface structures for enhanced heat transfer applications: an experimental process optimization study”, Journal of Micromechanics and Microengineering, 19 (2009) 045011, pp. 1-12.
  • Yilbas B.S., Karatas C., Uslan I., Keles O., Usta Y., Yilbas Z., Ahsan M., “Wedge cutting of mild steel by CO2 laser and cut-quality assessment in relation to normal cutting”, Optics and Lasers in Engineering, Vol. 46 (10), pp. 777-784, Oct. 2008.
  • Koç¸ M., Usta, Y., Karakoç, A., “Investigations on thermo-mechanical fabrication of micro-scale porous surface features”, Journal of Power Sources 179 (2008) 592–602.
  • Karatas C., Keles O., Uslan I., Usta Y., “Laser Cutting of Steel Sheets: Influence of Workpiece Thickness and Beam Waist Position on Kerf Size and Stria Formation”, Journal of Materials Processing Technology, vol. 172, pp. 22-29, 2006.
  • Yilbas B.S., Karatas C., Keles O, Uslan I., Usta Y., Ahsan M., Yilbas Z., “Laser Cutting of Corners: Assessment of Cutting Quality”, Lasers in Engineering, vol. 16 pp. 157-171, 2006.
  • Yilbas B.S., Karatas C., Uslan I., Keles O, Usta Y., Ahsan M., “Laser Gas Assisted Nitriding of TI-6AL-4V Alloy”, Applied Surface Science, pp. 8557–8564, 252 (2006).
  • Yilbas B.S., Khaled M., Karatas C., Uslan I., Keles O., Usta Y., Ahsan M., “Electrochemical Properties of The Laser Nitrided Surfaces of Ti-6Al-4V Alloy”, Surface & Coatings Technology, Vol. 201/3-4, pp. 679-685, 2006.
  • Al-Sulaiman, F., Yilbas, B. S., Karatas, C., Keles, O., Uslan, I., Usta, Y., Ahsan, M., Bazoune, A. “Laser cutting of Kevlar and mild steel composite structure: End product quality assessment”, Journal of Materials Engineering and Performance, vol. 16 /1, pp. 22-29, 2007.
  • Usta Y., Keles O., Ercan Y., “Design and Testing of a Hydraulic Position Control System for Oval Turning on a Conventional Lathe”, Journal of The Faculty of Engineering and Architecture of Gazi University, Vol. 18, No. 3, pp.1 14, 2003.
  • Usta Y., “A Model Based Expert System for Handling of Operations in a Manufacturing Cell with a Robot”, Journal of The Faculty of Engineering and Architecture of Gazi University, Vol. 20, No. 2, pp.275 288, 2005.
  • Usta Y., & Ercan Y., “Sequencing of Operations of an Industrial Robot Used in a Manufacturing Cell”, Journal of The Faculty of Engineering and Architecture of Gazi University, Vol. 21, No. 2, pp.373-386, 2006.
  • Keleþ O., Usta Y., Yesilbag Y.Y., Ercan Y., “Design and Testing of a Hydraulic Position Control System for Profile Turning on a Conventional Lathe” Journal of The Faculty of Engineering and Architecture of Gazi University, Vol. 21, No. 3, pp.553 565, 2006.

2. Supervised Theses

  • “Design and Testing of a Digital Hydraulic Position Control System”, MS Thesis, Gazi University, Institute of Science and Technology, April, 1992 (in Turkish).

  • “Development of an Expert System For Manufacturing Cells with A Robot”, PhD Thesis, Gazi University, Institute of Science and Technology, July, 1999 (in Turkish).

  • Köylü A., “Investigation of Production Parameters of Porous Stainless Steel Surfaces Used on Fuel Cells” MS Thesis, Gazi University, Institute of Science and Technology, March, 2010 (in Turkish).

  • Aswad M.S., “Effect of Parameters of Spray Forming on Porosity”, MS Thesis, Gazi University, Institute of Science and Technology, June 2011 (in Turkish).

3. Proceedings

  • Köylü, A., Usta, Y., “Investigation of Production Parameters of Porous Stainless Steel Surfaces Used on Fuel Cells”, 6th International Powder Metallurgy Conference, Oct. 5-9, 2011, Ankara, Türkiye.

  • Aswad S.M., Usta, Y., “Effect of Parameters of Spray Forming on Porosity”, 6th International Powder Metallurgy Conference, Oct. 5-9, 2011, Ankara, Türkiye.

  • Uslan I., Erdogan S., Keles O., Usta Y., Yilbas B.S., Tuc B., “Experimental Investigation of Laser-Drilled Holes Variations Depending on Laser Drilling Parameters”, 14th International Conference on Advances in Materials & Processing Technologies (AMPT2011), July 13-16 2011, Ýstanbul, Türkiye.

  • Usta Y., Köylü A., Cora O.N., Koç M., “Production of Micro-Scale Porous Structures by P/M For Heat Exchanger Applications”, 13th International Materials Symposium (IMSP’2010), Invited paper, 13-15 October 2010, Denizli, Türkiye.

  • Usta Y., Cora O.N., Koç M., “Optimization of production parameters for micro-scale porous structures for heat exchanger application”, 5th International Powder Metallurgy Conference, Oct. 8-12, 2008, Ankara, Türkiye.

  • Urtekin, L., Usta, Y., Uslan, I., Saritas, S., “Investigation of the apparent density of metal powders: the effects of mixing various powder sizes and powder geometry”, 5th International Powder Metallurgy Conference, Oct. 8-12, 2008, Ankara, Türkiye.

  • Usta Y., Cora Ö.N., Koç M., “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, Sept. 9-11, 2008, Carnegie Mellon University, Pittsburgh, PA, USA.

  • Cora O.N., Usta, Y., Koç, M., “Experimental Investigations On Development Of Rapid Die Wear Tests For Stamping Of Advanced High Strength Steels”, Proceedings of the 2007 International Manufacturing Science And Engineering Conference, MSEC2007, October 15-17, 2007, Atlanta, Georgia, USA.

  • Mahabunphachai, S., Usta, Y., Koç, M., “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, September 16-20, 2007, Detroit, Michigan, USA.

  • Usta, Y. & Ercan, Y., “Design and Testing of a Digital Hydraulic Position Control System”, 6. National Machine Theory Symposium, Trabzon/Turkey, 15-17 September 1993 (in Turkish).

  • Usta, Y. & Ercan, Y., “Modeling, Analysis and Testing of a Computer Controlled Hydraulic System”, 1. International Balkan IFAC Symposium ETAI 1993, Ohrid, Macedonia, 27-29 September 1993.

  • Usta, Y., Ercan, Y., Keles, O. & Tufekci, C.S., “Developing and Testing of a Software for Computer Control of a Training Robot”, 6. National Machine Theory Symposium, Istanbul/Turkey, 20-22 September 1995 (in Turkish).

  • Usta Y., Keles O., Ercan Y., “Design and Testing of a Hydraulic Position Control System for Oval Turning on a Conventional Lathe”, 11. National Machine Theory Symposium, Ankara/Turkey, 4-6 September 2003 (in Turkish).

  • Keles, O., Usta, Y., Yesilbag, Y.Y., Ercan, Y., “Design and Testing of a Hydraulic Position Control System for Profile Turning on a Conventional Lathe”, 4. National Hydraulic-Pneumatic Congress, Izmir/Turkey, 1-4 December 2005 (in Turkish).

 

4. Books

 

Saritas, S., Uslan, I., Usta, Y., “Proceedings Of The 3rd International Powder Metallurgy Conference”, September 4-8, 2002 Gazi University, Ankara, Turkey.

 

 

Research Interests | To the top |

AREAS OF INTEREST
  • CAD-CAM

  • Digital Control

  • Computerized manufacturing systems

  • Expert Systems

  • Manufacturing Processes

  • Materials

  • Powder Metallurgy

EXPERIENCES

  • Computer (hardware and software): - AutoCAD R2010 - Mechanical Desktop R2006 - Autodesk Inventor 2010 - MATHCAD - Microsoft Office - Corel WordPerfect Office - Labview
  • CAD/CAM: - Tooling - CNC programming
  • Conventional machine tools (lathe, milling etc.)
  • Chip removal processing
  • Casting
  • Destructive tests (tensile, impact, torsion, fatigue, hardness, creep etc.), optic microscope investigation, photographing.
  • Weapons (grooved and ungrooved weapons).

COURSES

  • MM453 Computer Aided Design
  • MM103E Computer Aided Technical Drawing I
  • MM106 Computer Aided Technical Drawing II
  • Special Computer Softwares
  • ENF101 Introduction to Computers and Information Systems
  • MM206E Manufacturing Processes
  • MM569 Computer Integrated Manufacturing (Graduate)
  • MM509 Powder Metallurgy (Graduate)


Projects | To the top |

 

Koç¸ M., Usta, Y., Karakoç, A., “Thermo-mechanical fabrication of microscale porous surface structures for advanced heat/mass transfer applications”, NSF, GOALI, Virginia Commonwealth University, USA, 2008

Koç¸ M., Usta, Y., Mahabunphachai, S., “Warm hydroforming of lightweight sheet materials using selective heating strategies”, NSF, GOALI, Virginia Commonwealth University, USA, 2007

Koç, M, Usta, Y, Cora O.N. “Development of a friction test method and apparatus for high temperature forming of lightweight materials”, NSF, IUCRC CPF and member companies, Virginia Commonwealth University, USA, 2007.

Usta, Y. & Ercan, Y., “Design and Construction of a PC-Driven Feedback Position Control System for Use with an Electrohydraulic Fatigue Testing Machine”, Gazi University, Research Fund, 1992.

Usta, Y., Ercan, Y., Keles, O. & Tufekci, C.S., “Computer Aided Control of a Robot Arm with Heuristic and Optimum Control Strategies”, Gazi University, Research Fund, 1995.

Usta, Y. & Ercan, Y., “Robot Task Determination and Application Using en Expert System in a Manufacturing Cell”, Gazi University, Research Fund, 1999.

Usta Y., Keles O., & Ercan Y., “Design and Testing of a Hydraulic Position Control System for Oval Turning on a Conventional Lathe”, Gazi University, Research Fund, 2003.

Contract Industrial Application:, EGO (Electric-Gas-Bus for Ankara Municipality), Determining of Air Pollution from House Heating in Ankara”, 1992.

DPT (State Planning Organization) / UNDP Project (TUR/92/004), “Research and Development of Powder Metallurgy Technique in Turkey”, Department of Mechanical Engineering, Gazi University, September 1994 to December 1996.

Contract Industrial Application: Investigation of the Tearing of the Iraq - Turkey Pipeline, BOTAS (Pipeline Transportation Directorate of Turkey), Department of Mechanical Engineering, Gazi University, September 1997 to May 1998.

Contract Industrial Application: Destructive Quality Control Tests of Penstock Weldings of Camlica I Hydraulic Power Plant, Isik Machinery Construction Co., Department of Mechanical Engineering, Gazi University, January 1998 to December 1998.

DPT (State Planning Organization) Project No. 97K120110, Contract Research: Investigation of Gas Atomization Parameters for Production of Metal Powders for Pyrotechnic Applications, Department of Mechanical Engineering, Gazi University, 1997- 2002.

Usta Y., Keles O., Ercan Y., “Design and Testing of a Hydraulic Position Control System for Profile Turning on a Conventional Lathe”, Gazi University, Research Fund, 2005.

DPT (State Planning Organization) Project No. 2003 K 120 470-09, Contract Research: Pilot Scale Investigation of Powder Injection Molding Parameters, Department of Mechanical Engineering, Gazi University, 2003-2009.

The effect of the up-milling and down-milling on CVD/PVD-coated Carbide Tools, Gazi University, Research Fund, 2012.

Investigation of Production Parameters of Porous Stainless Steel Surfaces, Gazi University, Research Fund, 2011.

Sintering And Mechanical Properties of the Oxide Addition to Powder Injection Molded Alumina Ceramics, Gazi University, Research Fund, 2011.

Cylindrical Surface Coating Using Spray Forming Technique, Gazi University, Research Fund, 2011.

 

last updated: 25/01/2012


G.Ü. 2003(c)

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