Resume

Vision: To contribute greatly to the advancement of the engineering profession and foster the aims and objectives of the society through my vision and in-depth study.

 

Education:                            

     

Doctor of Philosophy in Mechanical Engineering

Western Michigan University, Kalamazoo, MI

Graduation Date: December 2011   

      

Masters of Science in Mechanical Engineering

Western Michigan University, Kalamazoo, MI

Graduation Date: December 2008

Bachelor of Science in Mechanical Engineering

Western Michigan University, Kalamazoo, MI

Minor: Mathematics

Graduation Date: December 2005

 

Related Coursework Practical Projects/Innovations

 

·Tribology; A Precision Engineering Approach – Analysis of Acoustic Emission (AE) signal to predict fracture/brittle behavior in ceramics (Spring ‘2009)


·Tribology; A Precision Engineering Approach – Relationship between feed rate, depth of cut, surface roughness and tool wear in nanomanufacturing of ceramics (Spring ‘2009)


  · Ductile Regime Machining of Ceramics- A Fracture Mechanics Point of View (Fall ‘2008)


· Design of Thermal Systems – Designing of Heatsink for Printed Circuit Boards (PCB’s) using natural convection analytical model (MathCAD), CAD (SolidWorks) and CFD (Gambit & FLUENT) (Fall ‘2008)


· Design of Thermal Systems – High Precision Picomotor Cooling Design with analytical model (MathCAD), CAD (SolidWorks) and CFD (Gambit & FLUENT) (Fall ‘2008)


  ·  Design and Fabrication of a Precision Lathe (Massachusetts Institute of Technology ‘2008)


  ·  Compliant suspension/flexure design – to eliminate vibration on a precision machining equipment (Spring ‘2008)

  ·  Precision Engineering (Massachusetts Institute of Technology ‘2007)

  ·  Design of Flexures and Compliant Mechanisms (Massachusetts Institute of Technology ‘2007)

  ·  Micro/Nano-machining of ceramics (Silicon Carbide and Quartz) (Fall ‘2007)


·  Lab-On-Chip – exploring the bottom-up approach in nanofabrication (Spring ‘2007)


·  Confocal Microscopy – exploring laser scanning microscopy techniques to characterize Nanocuts/nano-scratches (Spring 2007)


  ·  Vehicle Structures - redesigned and analyzed a suspension system for a Mitsubishi 3000GT (Fall ‘2005).


·  Senior Design Project - team member of a two-person team on electroforming of microstructures and software interfacing of an electroforming setup. Designed and fabricated the entire jig for an electroplating

                                                process (Fall ‘2005).


·  Engine Design - worked as a leader to modify a Mitsubishi 3000GT-VR4 road car to a race car. This project was completed in one year and I held responsibility over the entire technical section. Detail report

                                   available (Spring ‘2005).


·  Thermal Behavior of Electrical Wire Harness – creating analytical solution (MathCAD), modeling (Gambit) & Computational Fluid Dynamics (FLUENT) (Spring ‘2005)

 

 

Employment/Research Experience (Western Michigan University):

  • Establishing setup for micro Laser Assisted Machining
    • Setup laser device on a single point diamond turning machine
    • Tested the setup and performed scratch tests successfully
    • Results were promising and demonstrated a bright future in this area of study
      • with Prof. John A. Patten -  (Spring 09-Dec 09)

 

  • Establishing the Ductile to Brittle Transition (DBT) of AlON.
    • Nanometric scratch tests were performed on sample using the µ-Tribometer (UMT)
    • Cuts were measured and imaged using atomic force microscopy (AFM), white light interferometric microscopy and optical microscopy.
      • with Prof. John A. Patten -  (Spring 09)

 

  • Establishing the Ductile to Brittle Transition (DBT) of synthetic Sapphire.
    • Nanometric scratch tests were performed on sample using the µ-Tribometer (UMT)
    • Cuts were measured and imaged using atomic force microscopy (AFM), white light interferometric microscopy and optical microscopy.
      • with Prof. John A. Patten - (Fall 08)

 

  • Studying The Effects of Crystal Orientation in SPDT of CVD-SiC
    • Studied the effect of crystal orientation relative to fracture damage, tool wear and friction in the manufacturing process
    • Orientation Imaging Microscopy (OIM) and X-ray Diffraction (XRD) techniques were used to investigate the  material
    • Results were promising and demonstrated a bright future in this area of study to potentially identfy a preferred machining/cutting direction/s in the given material
      • with Prof. John A. Patten -  (Fall 08)

 

  • Subsurface Damage Analysis on Single Point Diamond Turned Ceramics
    • Confirmed that SPDT not only leaves a damage-free surface but also an undamaged subsurface layer
    • Confirmed the existence of an amorphous layer beneath the machined layer of CVD SiC
    • Scanning Acoustic Microscopy (SAcM), Raman Spectroscopy and Optical Microscopy were used to investigate the ceramics in this study
      • with Prof. John A. Patten -  (Summer 08)

 

  • Establishing the Ductile to Brittle Transition (DBT) of AlTiC.
    • Nanometric scratch tests were performed on sample using the µ-Tribometer (UMT)
    • Cuts were measured and imaged using atomic force microscopy (AFM), white light interferometric microscopy and optical microscopy.
      • with Prof. John A. Patten - (Summer 08)
      •  
  • Single Point Diamond Turning of Spinel
    • Main goal is to improve the surface roughness of the material
    • Optimized machining operation for maximum possible material removal rate by varying depth of cut, feed rate and cutting speed.
    • Minimized diamond tool wear by altering machining parameters, introducing machining slurry and stabilizing machining operation.
    • The machined material was analyzed and imaged using optical microscopy, white light interferometric microscopy and surface profilometry.
      • with Prof. John A. Patten - (Sept 08 – Dec 08)
      •  
  • Single Point Diamond Turning of Quartz/fused silica.
    • Successfully machined and established machining parameters for larger scale workpieces
    • Main goal is to improve the surface roughness of the material
    • Optimized machining operation for maximum possible material removal rate by varying depth of cut, feed rate and cutting speed.
    • Minimized diamond tool wear by altering machining parameters, introducing machining slurry and stabilizing machining operation.
    • The machined material was analyzed and imaged using optical microscopy, white light interferometric microscopy and surface profilometry.
    • Conducted non-destructive subsurface analysis on machined sample using Scanning Acoustic Microscopy.
      • with Prof. John A. Patten (Summer 07 – Spring 08)

 

  • Develop hybrid laser-SPDT machining process for smoothing ceramics.
    • Project was done together with Mound Laser & Photonics Inc.
    • Successfully established the best combination between laser ablation parameters and single point diamond turnining machining.
    • Main goal is to improve the surface roughness of the material
    • Optimized machining operation for maximum possible material removal rate by varying depth of cut, feed rate and cutting speed.
    • Minimized diamond tool wear by altering machining parameters, introducing machining slurry and stabilizing machining operation.
    • The machined material was analyzed and imaged using optical microscopy, white light interferometric microscopy and surface profilometry.
      • with Prof. John A. Patten (Spring 07 – Summer 07)

 

  • Single Point Diamond Turning of CVD Silicon Carbide
    • Machined and develop diamond turning machining parameters for Third Wave Systems
    • Successfully machined and established machining parameters for larger scale workpieces
    • Main goal is to improve the surface roughness of the material
    • Optimized machining operation for maximum possible material removal rate by varying depth of cut, feed rate and cutting speed.
    • Minimized diamond tool wear by altering machining parameters, introducing machining slurry and stabilizing machining operation.
    • The machined material was analyzed and imaged using optical microscopy, white light interferometric microscopy and surface profilometry.
    • Conducted non-destructive subsurface analysis on machined sample using micro-Raman Spectroscopy and Scanning Acoustic Microscopy.
      • with Prof. John A. Patten (Spring 06 – Spring 07)

 

  • Establishing the Ductile to Brittle Transition (DBT) of a 4H single crystal silicon carbide.
    •  Nanometric cuts were performed on sample using the Nanocut II cutting device
    • Cuts were measured and imaged using atomic force microscopy (AFM), white light interferometric microscopy and optical microscopy.
      • with Prof. John A. Patten - (Spring 05 – Spring 06)

 

  • Research Assistant for Flow Loop and IC Engines Convection Boiling characteristics where the boiling characteristics are studied using a high speed camera. 
    • Setup flow loop and IC engine for over-heat testing and data collection
      • with Prof. Ho Sung Lee - (Jan 06 – Apr 06)

 

  • Course grader for Theory for Engineering Experimentation  
    • Responsible for assignments and quizzes for a class of 120 students
      • with Prof. Jerry Hamelink -  (Sept 04 – Dec 04)

 

  • Electroforming of Microstructures and Software Interfacing of an Electroforming Setup.
    • LabVIEW interfacing of an electroplating power supply
    • Design and fabrication of an electroplating jig which can accommodate three different substrate sizes
    • Electroforming of test pattern with micro meter size features
      • with Prof. Muralidhar Ghantasala- (July 2005 – Dec 05)  

 

Publications:

  • “Single Point Diamond Turning Effects on Surface Quality and Subsurface Damage in Ceramics”, 2009, Proceedings of the ASME 2009 International Manufacturing Science and Engineering Conference, Indiana, USA.
  • “Ductile Regime Single Point Diamond Turning of CVD-SiC Resulting in an Improved and Damage-Free Surface”, 4th International Conference on Recent Advances in Materials, Minerals & Environment and 2nd Asian Symposium on Materials & Processing, Penang, Malaysia, 2009.
  • Micro-Laser Assisted Machining (μ-LAM): Scratch Tests on 4H-SiC” Proceedings of 2009 NSF Engineering Research and Innovation Conference, Honolulu, Hawaii, USA, 2009.
  •  “Pressure and Temperature Effects in Micro-Laser Assisted Machining (µ-LAM) of Silicon Carbide”, North American Manufacturing Research Conference (NAMRC), USA, 2009.   
  • “Improving the Surface Roughness of a CVD coated SiC Disk by Performing Ductile Regime Single Point Diamond Turning”, ASME-MSEC, Chicago 2008.
  •  “A Manufacturing Process to Improve the Surface Roughness of a CVD Coated SiC Disk by Performing Ductile Regime Single Point Diamond Turning”, International Conference on Agile Manufacturing, Michigan, 2008.
  •  “Ductile-Regime Machining of Silicon Carbide and Quartz”, Masters Thesis, Western Michigan University, 2008.
  • “Ductile to Brittle Transition of a Single Crystal 4H- SiC Wafer by Performing Nanometric Machining” – ISAAT 2007, Precession Grinding and Abrasive Technology at SME International Grinding Conference.

 

Conference Presentations:

  • “Single Point Diamond Turning Effects on Surface Quality and Subsurface Damage in Ceramics”, 2009, Proceedings of the ASME 2009 International Manufacturing Science and Engineering Conference, Indiana, USA.
  • “Ductile Regime Single Point Diamond Turning of CVD-SiC Resulting in an Improved and Damage-Free Surface”, 4th International Conference on Recent Advances in Materials, Minerals & Environment and 2nd Asian Symposium on Materials & Processing, Penang, Malaysia, 2009.
  • “Improving the Surface Roughness of a CVD coated SiC Disk by Performing Ductile Regime Single Point Diamond Turning”, ASME-MSEC, Northwestern University Chicago, USA, 2008.
  • “A Manufacturing Process to Improve the Surface Roughness of a CVD Coated SiC Disk by Performing Ductile Regime Single Point Diamond Turning”, International Conference on Agile Manufacturing, Michigan, USA,  2008.
  • “Ductile-Regime Machining of Silicon Carbide and Quartz”, Masters Thesis Defense, Western Michigan University, 2008.
  • Key Speaker (Ductile Regime Machining of Ceramics) – ASME Student/Senior Section Meeting, Michigan, USA, 2008.
  • Speaker at the “Ductile to Brittle Transition of a Single Crystal 4H- SiC Wafer by Performing Nanometric Machining” ISAAT SME International Grinding Conference, Dearborn, MI, USA, 2007.
  • “LabVIEW Interfacing and Testing of an Electroplating System”, Senior Design Presentation, Western Michigan University, USA, 2005.

 

Societies/Honors:

  • Golden Key International Honour Society (Chapter Advisor) 
  • American Society of Mechanical Engineers (ASME)
  • Society of Manufacturing Engineers (SME)
  • American Society of Precision Engineers (ASPE)
  • Tau Beta Pi (Engineering Honors Society)
  • The National Scholars Honors Society
  • Western Michigan University Badminton (university representative 2004)
  • World Tae Kwon Do Federation

 

Achievements & Awards:


  • American Society of Mechanical Engineers Travel, MSEC 2009 (August 2000)
  • Graduate Student Research and International Travel Grants Award (April 2009)
  • Graduate Student Research and Travel Grants Award (September 2008)
  • Co-PI for Oak Ridge National Lab Research proposal funding ,“Investigation of subsurface damage of CVD coated SiC and  Quartz after a Single Point Diamond Turning Operation” (May 2008)
  • Outstanding speaker award- ASME student/senior section meeting (April 2008)
  • Research grant award from Taiho Kogyo Tribology Research Foundation (October 2007)
  • Graduate Student Research and Travel Grants Award (September 2007)
  • Best compliant mechanism design for microactuators - Massachusetts Institute of Technology (June 2007)
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