Extensive experience in mechanical characterization in different materials for research and industrial projects,
including thin coatings, carbon/glass reinforced plastic composites, metal alloys, piezoelectric materials, and nanocomposites.
Proficient in numerical analysis and data processing using Excel VBA, MATLAB, and LabView.
procedures analyzed and presented in statistical summaries; adapting or developing interpolation models.
Expertise in CFD (Fluent) and Abaqus. Use of simulation for guided design and parametric studies on research
Experience in prototype manufacturing and volume production of multifunctional components.
2+ years programming MATLAB, C++, bash scripting, VBA and LabView for data processing and numerical analysis
2+ years experience in fabricating and characterizing smart parts using Additive Manufacturing Techniques.
5+ on nanoindentation procedures using Hysitron TI 750 Ubi Nanoindenter.
Expertise in mechanical design using AutoCAD, NX, and SolidWorks.
2+ years experience in fabricating protective housing for piezoelectric elements for smart parts.
Proficient in statistical analysis. Use of ANOVA and hypothesis testing to guide mechanical design. Use of Minitab,
Excel VBA and MATLAB.
EIT No. 55549 (08-10-2024).
Experimental design and analysis expert
Programming MATLAB, Excel VBA, and C++/C.
Talented technical writer
Proficient in Solidworks and AutoCAD
Expert in ABAQUS and FEA analysis.
Rapid Manufacturing experienced.
Optimization of the fabrication process of alumina packaging for piezoelectric sensors. Significantly reduced by three fourths the cost of the fabrication process for alumina housing.
Efficiently adapted mechanical procedures for data processing in MATLAB. Including development of GUI using Excel VBA and MATLAB tools.
Redesigned and improved educational format for Solid Mechanics Laboratory I as well as safety procedures for a variety of mechanical testings.
09/2013 to 12/2016
Research Assistant in Multifunctional MaterialsUTEP Mechanical Engineering － El Paso, TX
Design smart parts using Electron Beam Melting (EBM) with embedded piezoelectric sensors for US Department of
Design experimental methodology for evaluation of sensor signal calibration using piezoelectric materials.
Implementation of automatic measurement procedures using LabView.
Coordinated and managed mechanical testings: compression-compression, tensile, fracture analysis, and nanoindentation analysis, signal calibration.
Results presented in statistical tables,
including histograms, box plots and time charts.
Creatively used shell scripting for parametric studies.
Synchronization of engineering analysis using one or different
programs (ABAQUS CAE/PSPICE/MATLAB).
Effectively characterized graphene layers using nanoindentation technique for hardness, indentation modulus and tem-
Fabricated and characterized multifunctional composites.
Studied the particle fiber reinforced plastic composites as
Successfully written technical reports in compliance for U.S. Department of Energy.
Proficiently orated weekly presentations that summarized weekly goals, results and procedures.
Mentored undergraduate and graduate students.
05/2011 to 05/2013
Research Assistant in Composite MaterialsUTEP Mechanical Engineering － El Paso, TX
Creatively designed and implemented an Excel VBA program that improves and expands the software capability given
by the Hysitron Company for nanoindentation procedures.
The program allows the implementation of any developing
theory and generates statistical reports in word documents.
Successfully determined mechanical properties of material using nanoindentation, low impact and fatigue testing ma-
Expertise in mechanical behavior of materials (elasticity, plasticity, fracture mechanics and material structure); numer-
ical methods for partial differential equations, and data processing.
09/2007 to 05/2011
Lead tutor and TeacherTutoring Center MaRCS/ACES － El Paso, TX
Enthusiastically provided help to students on mathematical, physical and engineering problems through the Socratic
method for teaching; other methods: demonstration, group collaboration, metaphorical or by example.
Supervised and strengthened teaching methods of other tutors to maintain the dynamism during tutoring.
Instructed mathematics summer workshops for high school students during college orientation.
increase the mathematical level of 600 students (per summer during 3 years) helping them advance from basic or
advanced algebra to calculus.
Doctor of Philosophy (Ph.D: Mechanical EngineeringThe University of Texas at El PasoMechanical Engineering 4.0/4.0 Dissertation: Modeling and characterization of multifunctional materials
Master of Science (M.S: Mechanical EngineeringThe University of Texas at El PasoMechanical Engineering 4.0/4.0 Master Thesis: New topics on nanoindentation of polymers and composite materials
Bachelor of Science
B.S: Mechanical EngineeringThe University of Texas － PasoMechanical Engineering 3.82/4.0
Self-oriented learner of computational skills such as object oriented programming and bash scripting.
Participated in local sport competitions in the role of basketball team captain and soccer team player.
1. Martinez R., Xu L.R. "Comparison of the Young's moduli of polymers measured from nanoindentation and bending
experiments", MRS Communications, Volume 4,Issue 03,2014,pp 89-93, DOI 10.1557 (2013).
2. Rajib M., Martinez R., Shuvo M., Karim H., Delfin D., Afrin S., Rodriguez G., Lin Y., Enhanced Energy Storage of
Dielectric Nanocomposites at Elevated Temperatures. International Journal of Applied Ceramic Technology (2014).
3. Sarker M.R.H., Karim H., Martinez R., Delfin D., Enriquez R., Shuvo M.A.I.", Lin Y. Temperature measurements
using a lithium" niobate" (LiNbO3) "pyroelectric ceramic. Measurement, 75, 104-110 (2015).
4. Hossain M.S., Gonzalez J.A., Martinez R, Shuvo M.A.I., Choudhuri A., Lin Y., Wicker R.B. Fabrication of smart
parts using powder bed fusion additive manufacturing technology Additive Manufacturing (2015).
5. Sarker, M. R. H., Karim, H., Martinez, R., N. Love, Y. Lin, A Lithium Niobate (LiNbO3) High Temperature Sensor
for Energy System" Applications, "IEEE Sensors Journal, (2016).
Fluent in English and Spanish.
C++/C, PLC LogixPro Simulator, Excel VBA, Fortran, Mathematica, MatLab, L TEX.ACAD and FEA Software: Hypermesh, Nastran, UGS NX, Abaqus, Fluent, ANSYS, SolidWorks, OpenFoam, PSpice.Office Programs: OpenOffice, Microsoft Office (Excel, Word, PowerPoint, OneNote).Operating systems: Windows, Linux (Ubuntu), Mac OS X.
ANSYS, basic, C, C++, CAD, calculus, calibration, charts, CNC, data processing, DC, engineering analysis, Fluent in English, Excel VBA, Fortran, function generator, LabView, lathe, Linux, ma, machining, Mac OS, materials, Mathematica, mathematics, MATLAB, mechanical, Excel, Microsoft Office, Office, PowerPoint, Windows, Word, Modeling, Nastran, Operating systems, Optimization, oscilloscope, packaging, PLC, power supplies, presentations, Programming, PSPICE, scanning, shell scripting, SolidWorks, Spanish, tables, teaching, technical writing, tutoring, workshops, written