Engineer who strives for innovation, translating materials science into products, processes, and services
Key Skills
Powder processing
Microscopy and spectroscopy: Scanning electron microscopy and dispersive X-ray spectroscopy, Confocal laser scanning microscopy
X-ray diffraction
Mechanical testing and measurements
Education
Ph. D., Chemical Engineering and Materials Science, Michigan State University, 2012. GPA:3.9/4.0
B.A., Physics, Oberlin College, 2004
Professional Experience
Oak Ridge National Laboratory, Oak Ridge, TN April 2012 – pres.
Post-Doctoral Research Associate
Carrying out R&D to characterize the mechanical properties of BiTe and CoSi thermoelectrics, as well as investigate the effect of residual and tensile stress on thermal conductivity, elastic modulus and hardness.
Michigan State University, East Lansing, MI Jan. 2007 - March 2012
Graduate Research Assistant
Fabricated, evaluated and characterized the temperature dependent mechanical properties of PbTe-based brittle semiconductors for use as thermoelectrics. Collaborated with Oak Ridge National Laboratory’s High Temperature Materials Laboratory User Program using high temperature resonant ultrasound spectroscopy, high temperature dilatometer, high temperature x-ray diffraction and room temperature nano-indenter. Thesis “Powder processing and mechanical properties of Ag0.86Pb19SbTe20 (LAST) and Pb0.95Sn0.05Te – PbS 8% (PbTe-PbS) thermoelectric materials”
Michigan State University, East Lansing, MI Jan. 2007 - March 2012
Teaching Assistant MSE 381, Materials Characterization Methods II
Administered and supervised weekly laboratory sessions covering transport properties measurements and graded laboratory reports. SEM specimen preparation and administered the laboratory. Lectured 3 weeks of the lab and contributed to 20% of the final exam
Michigan State University, East Lansing, MI Jan. 2009 – May 2010
Teaching Assistant NSC 820, Scanning Electron Microscopy and Energy Dispersive X-ray Microanalysis
Administered one-on-one lab sessions supervising and guiding students on a 6400 JEOL and 7500F JEOL, using secondary electrons, back-scattered electrons and EDS
Michigan State University, East Lansing, MI Aug. 2006 – Dec. 2006
Teaching Assistant CSE 101, Computing Concepts & Competencies
Lectured four times a week throughout the semester on topics covering Microsoft Office, Excel, and Access, Supervised and graded exams for each session.
Nativity Preparatory School, Boston, MA Aug 2004 - Aug 2006
Middle School Science Teacher
Oberlin College, Oberlin, Ohio, Jan. 2003 - May 2004
Undergraduate Research
Awards
1. Fellowship for travel to International Thermoelectric Conference 2011,
2. First place poster award University of Michigan 2007 for, “Effect of thermal fatigue on the elastic moduli of Lead-Antimony-Silver-Tellurium (LAST) and Lead-Antimony-Silver-Tellurium-Tin (LAST-T) thermoelectric materials,” J.E. Ni, Fei Ren, Eldon D. Case, Edward J. Timm, Rosa M. Trejo, Amit Shyam, Edgar Lara-Curzio,
Professional Society Memberships
Materials Research Society Jan. 2007 – present
American Ceramic Society Jan. 2007 - present
ASM, International Jan. 2007 – present
Material Advantage Jan. 2007 – 2011
Refereed Publications
1. F. Ren, E. D. Case, J. E. Ni, E. J. Timm, E. Lara-Curzio, R. M. Trejo, C.–H. Lin, and M. G. Kanatzidis, “The Young’s modulus and Poisson’s ratio of Lead-Telluride based Thermoelectric Materials as a Function of Temperature,” Philos. Mag. 89[2]: 143-167 (2009).
2. F. Ren, E. D. Case, B. D. Hall, J. E. Ni, C-I. Wu, T. P. Hogan, and E. Lara-Curzio, “Room temperature mechanical properties of LAST (Pb-Sb-Ag-Te) thermoelectric materials as a function of cooling rate during ingot casting,” Philos. Mag. Lett. 89[4]: 267-75 (2009).
3. J. E. Ni, Fei Ren, Eldon D. Case, Edward J. Timm, “Porosity dependence of elastic moduli in LAST (Lead-antimony-silver-tellurium) thermoelectric materials,” Mater. Chem. Phys. 118 (2009) 459-466
4. Robert Schmidt, J. E. Ni, Eldon D. Case, Jeffery S. Sakamoto, Daniel Kleinow, Bradley Wing, Ryan Stewart, Edward J. Timm, “Room Temperature Young's modulus, shear modulus, and Poisson's ratio of Ce0.9Fe3.5Co0.5Sb12 and Co0.95Pd0.05Te0.05Sb3 skutterudite materials,” J. Alloys Compd., 504 (2010) 303-309.
5. J. E. Ni, Eldon D. Case, Kristen N. Khabir, Ryan C. Stewart, Chun-I Wu, Timothy P. Hogan, Edward J. Timm, Steven N. Girard, Mercouri G. Kanatzidis, “Room temperature Young’s modulus, shear mo...
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