SHAMIPARNA DAS

*** ***** ******, *** #*, Denton, TX 76201, +1-573-***-****, acvxex@r.postjobfree.com

SUMMARY

Involved in friction stir welding/processing, laser-FSW hybrid welding (thermomechanical processing) of magnesium, aluminum, austenitic steel, metal matrix composites and studying the processing-microstructure-property relationship for these materials

Knowledge and experience in materials selection and design with respect to plasticity, stiffness, strength, toughness

Expertise in metallurgical sample preparation and characterization - Mechanical testing, Failure analysis, Microscopy

EDUCATION

PhD, Materials Science and Engineering April 2016

University of North Texas, Denton, Texas, GPA: 4.0/4.0

MS, Materials Engineering May 2011

Indian Institute of Science, Bangalore, India, GPA: 5.8/8.0

B. Tech, Ceramic Engineering May 2009

National Institute of Technology, Rourkela, India, GPA: 8.0/10.0

TECHNICAL EXPERTISE

Manufacturing/Processing - Friction Stir Welding (FSW/P), Laser-Friction Stir hybrid, Ultrasonic Mechanical testing and failure analysis - Tensile test, Fracture toughness test, Hardness testing

Microscopic characterization – Optical microscopy (OM), Scanning electron microscopy (SEM), EDS, EBSD (OIM), FIB

Non-destructive characterization - X-ray diffraction (XRD) - Computed X-ray tomography

Digital Image Correlation (DIC)

Finite Element Analysis (FEA) – ABAQUS for stress analysis

Differential scanning calorimetry (DSC), Electro-ceramic dielectric characterization

RESEARCH EXPERIENCE

University of North Texas, Denton - Advisor: Prof. Rajiv Mishra Current

Overcoming the grand challenge of poor room temperature toughness in magnesium alloys via FSW

Achieved a higher toughness of magnesium sheet alloys (considered a grand challenge) by modifying the microstructure via friction stir processing.

Developed a theoretical toughness model through FEA (ABAQUS) for stress analysis

Studied the macroscopic strain distribution and plastic zone size development in the sample during toughness testing with the help of DIC. Studied failed toughness samples through SEM.

Enhancement of mechanical properties of a magnesium composite through FSW

Demonstrated exceptional strength-ductility combination compared to other magnesium composites.

Investigation of microstructural evolution during friction stir processing of A286 austenitic stainless steel

Explored the processing-microstructure after FSW of A286 (austenitic steel)

Attained improvement in wear and mechanical properties

Development of magnetic metal matrix and magnetostrictive composites through friction stir processing

Pioneered the fabrication of a magnetic composite through FSW and ultrasonic welding in Al matrix.

Indian Institute of Science, Bangalore - Advisor: Prof. Rajeev Ranjan ME thesis

Examined the high temperature behavior of xBi(Zn0.5Ti0.5)O3-(1-x)PbTiO3 ferroelectric in order to understand its high tetragonality of 1.11 and a very high Tc of about 7000C.

National Institute of Technology, Rourkela - Prof. Arun Chowdhury B. Tech thesis

Synthesis and characterization of Magneto Electric composites by the Auto-Combustion route (Nickel Ferrite in Barium Titanate matrix)

Vikram Sarbhai Space Centre, Thiruvananthapuram, Summer Internship - Dr. Gopinath Pai and Mr. Suresh Kumar

Assessment of oxidation studies of SiC for space applications – It involved studying the oxidation properties and kinetics of SiC to determine their performance in extreme environments

PUBLICATIONS

Shamiparna Das, N.Y. Martinez, R.S. Mishra, G.J. Grant, S. Jana, Control of reaction kinetics through FSP, (submitted to Metallurgical and Materials Transactions- Communications)

Celena Lipscomb; Aleksandra Fortier, PhD; Fanrong Kong; Shamiparna Das; Nilesh Kumar; Rajiv Mishra, “Evaluation of Plastic Zone Development In WE43 Magnesium Alloy Upon Friction Stir Processing Using Finite Element Modeling”, Materials Science and Engineering A, 2016.

O.O. Tinubu, Shamiparna. Das, J.E. Mogonye, V. Ageh, R.S. Mishra, T.W. Scharf, R. Xu, J. Forsdike “Friction Stir Processing of A286 Stainless Steel: Microstructural Evolution during Wear”, Wear, 2016, Volumes 356-357, pp 94-100

Shamiparna Das, Y. Martinez, S Das, R S. Mishra, G J. Grant, S Jana, E N Polikarpov, Magnetic properties of friction stir processed composite, JOM, 2016 pp 1-7

J. Xu, C. Cao, Shamiparna Das, L. Chen, R.S. Mishra, X. Li, “High-performance Mg6Zn Nanocomposites Fabricated through Scalable Processing.”, TMS 2015, the 144th annual meeting of The Minerals, Metals and Materials Society

Shamiparna Das; R.S. Mishra, K. Doherty, K. Cho, B. Davis, R. DeLorme, “Magnesium Based Surface Composite Via Friction Stir Processing”, TMS 2013, the 142nd annual meeting of The Minerals, Metals and Materials Society

Lalitha K.V., Shamiparna Das, A.K. Kalyani, R. Garg, R. Ranjan, “Nucleation-Growth Mode of Cubic-Tetragonal Transition with Coexistence of Phases over a Wide Temperature Interval in the High Temperature Ferroelectric Systems PbTiO3– BiMeO3: Me = Sc and Zn1/2Ti11/2”, Journal of American Ceramic Society, 2012, Volume 95, Issue 8, pp 2635–2639

CONFERENCES

TMS 2016, Nashville, TN, “Effect of friction stir processing on toughness of magnesium thin sheets”.

TMS, 2015, Orlando, FL: “High-performance Mg6Zn nanocomposites fabricated through scalable processing”.

TMS, 2014, San Diego, CA: “On the effect of friction stir processing on toughness of magnesium alloys”.

TMS, 2013, San Antonio, TX, “Magnesium based surface composite via friction stir processing”.

RELEVANT COURSEWORK

Mechanical Behavior of materials, Thermodynamics, Diffusion kinetics, Phase transformations, Finite Element Analysis, Electronic properties of materials, Processing of ceramics, Thermal analysis

ACCOMPLISHMENTS

Graduate Research Assistant, Dept. of Materials Science and Engineering, UNT, Spring 2012 – present

Winner of UNT Graduate Exhibition, 2015 – “A promising Road to Design against Fracture”

UNT Tuition Benefit Program, 2015-2016

UNT College of Engineering Travel Grant, 2016

Graduate Research Assistant, Dept. of Materials Science and Engineering, MS&T, Fall 2011

Annual GATE scholarship, Indian Institute of Science, Bangalore, 2009-2011

Winner of Annual Technical Festival, NIT Rourkela, 2008- “Sensors”

Contact this candidate