Johnson and Johnson, Warsaw, IN
Senior Scientist in Front End R&D, March 2014 – June 2015
- Conducted research on various implant alloys for optimizing implants fatigue performance.
- Evaluated materials produced via alternative manufacturing methods for Knee implant replacement.
- Supported processes and provided expertise of materials selection for development, operations, quality, and other departments and J&J companies.
- Provided technical reports of materials analysis and characterization in support of alternative materials/processes projects.
- Evaluated materials and analyzed failures of retrieved implants and instruments for FDA product complaint responses and legal cases.
Precision Made Products LLC, Brunswick, OH
Senior Materials Scientist/Quality Engineer, Jan 2013 – Feb 2014
- Developed and conducted quality control programs utilizing optical gaging smartscope for various part geometry manufactured after machining or metal injection molding according to the ASME Y14.5.
- Effectively communicated with department managers to address and solve quality issues.
- Regularly met with customers and conduct failure analysis including background information collection of failed samples, identification of failure initial sites, defect characterization, observation of fracture surface, testing of material properties, and evaluation of metallurgical issue to find the root cause of failure.
- Researched and documented a database for Titanium alloys.
- Collected and analyzed test results from laboratories for each batch providing recommendations to the management to act upon.
- Filed a utility patent application in conjunction with patent attorney (listed as co-inventor).
Cleveland Clinic Foundation/Case Western Reserve University, Cleveland, OH
Doctoral Researcher in Advanced Manufacturing and Mechanical Reliability Center (AMMRC) January 2009 – January 2013
- Successfully managed Nitinol Commercialization Accelerator projects in collaboration with NASA, Cleveland Clinic, CWRU, University of Toledo and Norman Noble.
- Conducted microhardness testing, metallography, optical microscopy, SEM and EDAX Identified defects induced by laser machining of Titanium alloys and steel (roughness, micro cracks, etc) using SEM, optical microscopy and laser confocal microscopy
- Designed various parts using Solidworks for 3D printing and injection molding.
- Characterized microstructures of materials with SEM, FIB, X-ray and laser Confocal microscopy.
- Conducted failure analysis of high-pressure Aluminum 6061 and composite cylinders.
- Determined surface treatment effects on tensile and fatigue properties of NiTi wires.
- Optimized laser treatment variables for 316LVM wires and improved fatigue life by 3X.
- Designed and patented a new rotary device equipped with programmable stepper motors for surface treatment of wires.
- Developed protocols for qualification testing of 316LVM stainless steel and GAC NiTi archwires.
- Performed hands-on design, and experimental models to demonstrate technical feasibility.
- Conducted laser parametric studies on femtosecond laser cutting of Nitinol shape memory alloy.
- Completed various failure analysis projects in conjunction with faculty.
- Mentored and supervised graduate/undergraduate students and staff in each calendar year.
Case Western Reserve University, Cleveland, OH
Research Assistant in Case Materials Processing Laboratory (CMPL) January 2009 – December 2010
- Investigated the thermal fatigue of die steel used in aluminum squeeze casting.
- Directly managed materials selection for waste heat recovery in micro-channel heat exchangers.
- Identified and collaborated with academic organizations, specialists, test labs, material suppliers, and material processors to qualify or develop the proposed technologies available for micro HX technology.
- Studied oxidation behavior of selected materials in a combustion atmosphere.
- Examined effects of laser machining on structure and properties of 316LVM, Inconel, and tool steel.
- Minimized distortion in micro-channel heat exchanger via modification of laser parameters (hybrid technique, programming, fixture design and air cooling).
- Optimized laser machining parameters to minimize microstructural damage and surface roughness.
- Fabricated and characterized biomedical stent wires with Nd:YAG laser in collaboration with Cleveland Clinic.
Teaching Assistant Sep 2009 – Dec 2012
- Taught Materials Science and Engineering lectures when needed.
- Prepared solutions manuals for the assigned homework to aid grading the homework assignments.
- Held weekly office hours to meet with students to address their questions.
University of Wisconsin-Milwaukee, Milwaukee, WI
Lecturer for materials science and engineering lab Jan 2008 – Dec 2008
- Taught 3 Materials Science labs per semester for engineering majors.
- Graded lab reports as well as homework assignments.
- Held weekly office hours to meet with students to address their questions.
VIDF Automotive Company (affiliated with Fiat and SsangYong), Tehran, Iran
Quality Engineer June 2006 – Dec 2007
- Traveled to multiple suppliers’ locations locally and internationally to address various engineering issues.
- Communicated with on-site Ssang Yong engineers and managers to solve technical and administrative issues.
- Standardized welding quality control documents used in automotive vehicles.
- Reviewed vendor drawings to ensure design accuracy and compliance with specifications.
- Prepared equipment lists for multi-million dollar Fiat start-up manufacturing line relocated to Iran from Poland.
- Completed hands-on training courses on automotive welding techniques such as arc welding and spot welding.
Automotive Industries Consulting Engineers, Tehran, Iran
Research engineer Jan 2005 – June 2006
- Prepared consulting proposals and numerous technical research presentations for industrial clients.