Engineer Mechanical

OBJECTIVE

Obtain a position as a Mechanical Engineer with a focus on research and development of new products and technologies.

EDUCATION

Ph.D. in Mechanical Engineering, May 2010;

Specialization: Solid Mechanics and Materials.

Master of Science in Mechanical Engineering, December 2004;

Specialization: Design, Manufacturing and Systems.

University of Maryland, Baltimore County (UMBC).

Graduated in the top 5% and nominated to Tau Beta Pi.

Bachelor of Engineering in Mechanical Engineering, 2002

University of Madras, India.

Graduated in the top 5% of the graduating class of 70 students.

EXPERTISE

• 5+ years experience in surface treatments, residual stress characterization in metal alloys and biological tissues, design and development of mechanical systems, design of experiments (DOE) and statistical analysis of experimental data.

• Experienced in electro-mechanical product design, prototyping, design validation and testing in a regulated environment.

• Ability to define a problem, generate solutions, benchmark and ultimately solve the problem within a deadline.

• Experience in providing technical training on key modules of Pro/Engineer and machine tool operations.

• Proficient in design & drafting packages including Pro/Engineer (2001 and Wildfire 2.0), IDEAS and AutoCAD.

• Proficient in finite element packages including ABAQUS, Pro/Mechanica and Fluent.

• Extensive experience in preparing technical reports and publications in renowned peer-reviewed journals.

• Excellent communication skills and strong technical training.

INDUSTRY EXPERIENCE

Scientific Products & Systems, Inc. Baltimore, MD

Product Design Intern

June 2005 – August 2005

• Utilized DFM principles for injection moulding to develop custom plastic fittings for the pump assembly.

• Generated shop floor drawings and coordinated with the manufacturer to build prototypes for testing.

Graduate Research Engineer

August 2002 – December 2003

• Worked on a cross-functional team of engineers to design and develop the electro-mechanical dispensing systems and subsequently verify and validate it for repeatability and sensitivity.

• Developed the system in compliance with FDA’s 21 CFR – 820 design regulations.

• Played a key role in successfully transitioning the product from concept to production.

• Participated in design review meetings and maintained design history files (DHF).

• Successfully benchmarked the design concepts and identified the best solution based on finite element analysis.

• Built prototypes using a combination of traditional machining and rapid prototyping technology which was used by the Sales and Marketing teams in trade shows and meetings.

• Developed test protocols and test methodologies to identify failure scenarios.

• Made recommendations to design engineers and system developers based on failure data.

HEAVY VEHICLE FACTORY, MINISTRY OF DEFENSE, AVADI, INDIA

Technical Trainee

January 2002 – June 2002

• Designed and prototyped a drill jig for the bracket that houses the driving motor in the hull section of the T-90 battle tank.

• Design was developed in Pro/Engineer and prototyped for testing.

RESEARCH EXPERIENCE

DEPARTMENT OF MECHANICAL ENGINEERING, UMBC

Research Engineer, Laboratory for Advanced Manufacturing & Production.

January 2005 – May 2010

1) Abrasive Waterjet Peening with elastic prestress to treat cementless implants/prosthetic surfaces (PhD Dissertation)

• Experimentally evaluated the effect of treatment parameters on surface characteristics (residual stress and roughness).

• Subsurface residual stress and plastic damage were measured by layer removal and nanoindentation respectively.

• Process optimization enhanced the residual stress characteristics by 50 – 125% depending on the metal alloy.

• Developed Quasi-static non-linear FE models in ABAQUS to evaluate the residual stress field on various metals.

• Evaluated plastic strain fields to identify damage mechanisms as a function of applied prestress and boundary conditions.

• Involved in facilities planning/design, inventory, scheduling experiments and communicating with lab members.

• Responsible for knowledge transfer to new graduate students in the research group.

2) Surface treatment of cortical bone using an Abrasive Air-Jet

• Developed a first of a kind surface treatment technique for bone and hard tissue.

• Identified the stand-alone and interaction effects of treatment parameters on the treated surface.

• Evaluated the potential for using the technique to change the surface chemistry of bone.

3) Failure Analysis of Dental Implants

• Surface Profilometry and Scanning Electron Microscope (SEM) were used to analyze failed titanium implant surfaces.

• Surface characteristics were used to conduct a comparative study between the failed and new implants.

Research Engineer, Mechatronics Laboratory.

August 2002 – August 2004

Design and Analysis of a Multi-port Pump Using Fluid Flow Modeling (MS Thesis)

• Modeled the turbulent flow in a 2-piece multi-port pump to analyze the effect of design parameters on leakage.

• Fluid flow in the micro scale was modeled in Fluent and recommended design strategies to reduce leakage by 40%.

ADVISING & MENTORING EXPERIENCE

OFFICE OF ACADEMIC AND PRE-PROFESSIONAL ADVISING, UMBC

Academic Advisor

June 2004 – Present

• Applied intricate rules and regulations to produce standardized results in the form of an effective class schedule.

• Worked on a team of 60 plus individuals from varied backgrounds and managed challenging constituents.

• Advised incoming undergraduate freshmen and transfer students on choosing classes and make career choices.

• Involved in planning and execution of new student orientation program catering approximately1500 students a year.

TEACHING EXPERIENCE

DEPARTMENT OF MECHANICAL ENGINEERING, UMBC

Teaching Assistant and Instructor

January 2003–May 2009

• Taught Statics to a class of 40 students. Prepared teaching materials, delivered lectures and lead discussion sessions.

• Taught Pro/Engineer (part, assembly and drawing modules) to a design class (Introduction to Engg. Design with CAD).

• Instructed a design for manufacturing (DFM) class on machine tool operations (Mechanical Design for Manu. & Prod.).

• Recognized as an “Outstanding TA” and invited to participate in new TA orientation discussion panels.

SKILL SET

Surface Texture Characterization: Optical Microscopy, Scanning Electron Microscopy (SEM) and Surface Profilometry.

Solid Design and FEA: Pro/Engineer (2001 and Wildfire), Pro/Mechanica, Autocad, Abaqus, Fluent.

Machine Tool Operations: Lathe, Vertical Milling Machine, Abrasive Waterjet and Air Jet.

Mechanical Properties: Residual Stress Evaluation, Tensile Testing and Hardness Measurements.

Application Packages: Kaleidagraph, MS Office Suite and Mathlab.

Statistical Techniques: Design of experiments (DOE) and Analysis of Variance (ANOVA)

JOURNAL PUBLICATIONS

• Sadasivam, B., Hizal, A., Park, S., Arola. D., (2009), An Evaluation of Abrasive Waterjet Peening With Elastic Prestress, ASME Journal of Manufacturing Science and Engineering, v 131, n 1, paper number 011010.

• Sadasivam. B., Hizal. A., Arola. D., (2009), Abrasive Waterjet Peening with Elastic Prestress: A Parametric Evaluation, International Journal of Machine Tool and Manufacture, v 49, n 2, p 134 – 141.

CONFERENCE PUBLICATIONS

• Sadasivam. B., Hizal. A., Arola. D., (2009), Abrasive Waterjet Peening With Elastic Prestress: Effect Of Boundary Conditions, 2008 Proc. of ASME Intl. Mechanical Engg. Congress & Exposition, IMECE 2008, v 4, p 371 – 376.

• Hizal. A., Sadasivam. B., Arola. D., (2009), Residual Stress In Bone: A Parametric Study, 2008 Proc. of ASME Intl. Mechanical Engg. Congress & Exposition, IMECE 2008, v 4, p 419 – 424.

• Sadasivam. B., Hizal. A., Arola. D., (2008), Abrasive Waterjet Peening With Elastic Prestress: Subsurface Residual Stress Distribution", 2007 Proc. of ASME Intl. Mechanical Engg. Congress & Exposition, IMECE 2007, v 3, p 471 – 475.

• Hizal. A., Sadasivam. B., Arola. D., (2008), Inducing Residual Stress in Bone Using Abrasive Air-Jet Surface Treatment, 2007 Proc. of ASME Intl. Mechanical Engg. Congress & Exposition, IMECE 2007, v 13, p 257 – 260.

• Sadasivam. B., Arola. D., (2006), Application of Prestress in Abrasive Waterjet Peening, Proceedings of The International Conference on Advances In Materials and Processing Technologies, AMPT 2006, Paper No: NTI2 355.

PERIODICALS

• Alade, A.E., Weber, W., Sadasivam. B., Arola. D., Milidanti. P., (2006), Hydroxyapatite Waterjet Treatment of Implants, The Shot Peener, v 20, n 3, p 6 – 10.

PUBLICATIONS UNDER PREPARATION

• Sadasivam, B., Arola, D., An Examination Of Abrasive Waterjet Peening With Elastic Prestress and the Effects Of Boundary Conditions, International Journal of Machine Tools and Manufacture. (Under Review)

• Sadasivam, B., Arola, D., Finite Element Evaluation of Abrasive Waterjet Peening With Elastic Prestress: Effect of Prestress Loading and Boundary Conditions. Journal of Materials Processing Technology.

ACTIVITIES

• President of Mechanical Engineering Graduate Students Association at UMBC.

• Founding President of 22 Yards: The Cricket Club at UMBC.

SELECTED HONORS AND PROFESSIONAL SERVICE

• 3rd Place, National Level SAMPE University Research Symposium, May 16 – 21, 2010, Seattle, WA.

• 1st Place, SAMPE Student Paper Competition, 15th Annual Student Symposium, Univ. of Maryland College Park, MD.

• Served as a Reviewer for the 2007 and 2008 ASME International Congress and Expositions.

• Served as a Session Chair for the Modeling and Innovations in Traditional and Non Traditional Machining Processes Session during the 2007 ASME International Congress and Exposition, Seattle, USA.

• Member of Tau Beta Pi – The Engineering Honors Society, 2010.

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