Mechanical Engineering

L E I L A TA H V I L I A N

**** ****** **., **** **** City, UT, 84124

Mobile: 801-***-**** *****.*********@*****.***

O BJECTIVE

• Obtain a position in Materials / Metallurgical Engineering with a focus on Research and

Development of new materials and novel processes, ceramic-metal composites, Semiconductors,

mechanical and characterization testing and Micro-Electro-Mechanical-Systems.

EDUCATION

• Ph.D. (Metallurgical/Materials Engineering), University of Utah, Salt Lake City, Utah, Aug. 2013

• M.S. (Mechanical Engineering, Applied Mechanics), Isfahan University of Technology, Iran, Dec. 2005

• B.S. (Mechanical Engineering, Thermal & Fluids), Isfahan University of Technology, Iran, Sep. 2002

RELEVANT COURSE WORK

• • •

Finite Element Analysis I&II Physical Metallurgy Fracture Mechanics

• • •

Advanced Ceramics Powder Metallurgy Micro-Mechanics

• • •

Mechanical Metallurgy Metal Forming Mechanics of Composites

S UMM ARY OF QUALIFICTIONS

• Experienced Materials Science Researcher, developing and advancing new materials & processes.

• Hands-on experience in powder metallurgy, fabrication of cer-met composites and FGMs.

• Experienced in characterizing materials structure, properties and performance, SEM, EDX, X-Ray.

• Hands-on design of experiment (DOE) in material science.

• Experience in developing new products utilizing new materials and processes.

• Strong stress/load analysis background. Published articles and presentations.

• Proven ability to lead research project, oversee multiple projects, and meet set goals.

• Skilled in Finite Element Analysis (FEA), theory and commercial packages.

• Experience in working with CAD software, AutoCAD, Solidworks and Mechanical Desktop.

S OFTW ARE & PROGRAMMING:

• Auto Cad, Solidworks, Mechanical Desktop, Inventor, X-Steel, CATIA and MATLAB.

• FEA software, ANSYS, ABAQUS, NISA.

T ECHNICAL TRAINING

• Integrated Computational Material Engineering Short Course, ICME Conference, 2013.

• Thermal Spray Workshop, Utah ASM Chapter, 2012.

• Aerospace Aluminum Alloys Seminar, Utah ASM Chapter, 2013.

• DFT for Metallurgy Class, University of Utah, (4-month class).

• Molecular Modeling Short Course, University of Utah.

R ESAERCH EXPERIENCE

Aug. 2008–2013

Research Assistant: Department of Metallurgical Engineering, University of Utah

• Successfully developed an innovative and cost-saving process to fabricate advanced composite

for tools application with designed microstructure that finally led to achieve 40% life-time

enhancement.

• Designed experiments to fabricate FG WC-Co with different microstructure and composition.

• Developed a novel mechanical method for stress analysis of functionally graded materials, FGMs.

• Experienced in mechanics of materials, mechanical behavior of materials and material property

characterization testing: SEM, X-Ray, EDX.

• Developed finite element model and analytical/mathematical model to thermal analysis and

stress analysis of FGMs and to simulate manufacturing process of FGMs for oil down-hole tools

application. The stress analysis was used in consumer products, FG WC-Co, at Heavystone Lab

startup company.

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L E I L A TA H V I L I A N

3680 Apollo Dr., Salt Lake City, UT, 84124

Mobile: 801-***-**** *****.*********@*****.***

Jan. 2008 – July 2008

Teaching Assistant: Mechanics of Composites, Utah State University

Research Assistant: Micro-Electro-Mechanical-Systems Lab, Utah State university

• Thermo-mechanical and stress analysis of micro-interconnects in three-dimensional integrated

circuits, 3D-ICs, with IC packaging application using FEA commercial software, ANSYS.

Aug. 2003 – Sep. 2005

Research Assistant: Department of Mechanical Engineering, Isfahan University of Technology

• An enhancement on steel fabrication technology by studying geometrical and mechanical parameters

of cold rolling process on mechanical properties of steel by artificial neural network.

W ORK EXPERIENCE

June 2003 - Dec. 2007

Senior Design Engineer of The Mechanical Engineering Division of Esfahan Steel Company (ESCO),

Esfahan, Iran, with about 5 Millions tones of annual producing of steel. Work involved:

• Thermo-mechanical and stress analysis of mechanical and structural equipment in steel plant.

• Led and designed critical projects for steel plant applications through design, prototype, cost

evaluation and production stages and timely completion while leveraging cost-effective solutions.

• Collaborated effectively with external partners in reconstruction of a blast furnace and directed in-

house aspects of the project and played an important role in winning the contract.

• Developed thermal analysis on diversified mechanical equipment and improved thermal distribution

through altering geometrical and design parameters.

• Enhanced efficiency and lifetime of structural and mechanical equipments by applying static, dynamic

and fatigue analysis.

• Designed and engineered compressor house, pressure vessel, heat exchanger and numerous other

mechanical components.

June 2002 - Sep. 2002

Engineering Intern, Tamkar Industrial Machining Co., Esfahan, Iran.

Investigated gears with applications in steel & cement industries specially spur, helical & worm.

P UBLICATIONS

• L.Tahvilian and Z.Z. Fang, “An Investigation of Thermal Stresses in Cylindrical Functionally Graded

WC-Co Insert.” J. of Materials Science and Engineering A, published, June, 2012.

• L.Tahvilian, Z.Z. Fang, K. S. Ravi Chandran, M. C. Koopman, “Residual Stress Determination in

Functionally Graded Cemented Tungsten Carbide”, ”. Acta Materialia, submitted 2013.

• K.S. Ravi Chandran, L.Tahvilian and Z.Z. Fang, “Method to Determine the Residual Stress

Distributions in Functionally Graded Materials or Coatings by Layer Removal: Theory and

Experimental Verification”. Acta Materialia, In process.

P RESENT ATIONS

• L. Tahvilian, Z. Z. Fang and K. S. Ravi Chandran, TMS 2013.

• L. Tahvilian, Z. Z. Fang and K. S. Ravi Chandran, MS&T 2011 and 2012.

• L. Tahvilian, Department of Metallurgical Engineering, University of Utah, March 2012.

• L. Tahvilian, Department of Mechanical Engineering, Utah State University, July 2008.

• L. Tahvilian and M. Salimi, ASME 2007.

P ROFESSIONAL SOCIETY AFFILIATIONS : ASM, ACerS, AIST, TMS

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