Chemical Engineering Assistant

Chang Zhang

*** ***** *** **, ***********, MN, **414 ********@***.*** Telephone: +612-***-****

Summary of Qualifications

• Master student in Materials Science with 4+ years of experience in finite element analysis (FEA) and computational fluid dynamics (CFD), deep understanding of multiphysics problems and material behaviors.

• 3+ years of experience in code developing, with 2000+ lines of contribution to the software package simulating novel behaviour of materials.

• 2+ years of hands-on experiment experience in a material science lab. Familiar with various characterization techniques.

Skills

• CAD softwares: AutoCAD, Solidworks, Inventor, Hypermesh

• CAE softwares: Ansys, Abaqus, Fluent, CrysMAS (furnace simulator)

• Programming languages: Matlab, Python, Fortran, C

• Experimental Skills: Mechanical tester, XRD, SEM, Clean Room Experience, chemical synthesis Education

• M.S., Materials Science and Engineering (GPA: 3.18/4.0) 08/2014 – present

• University of Minnesota at Twin Cities, Minneapolis, MN

• B.S., Materials Science and Engineering (GPA: 3.82/4.0) 09/2010 – 06/2014

• Zhejiang University, Hangzhou, China

Research Experience

Jeff Derby Group, Dept. of Chemical Engineering and Materials Science, Univ. of Minnesota 09/2017-present

• Applied multiple FEA codes to study the growth process of a BaBrCl:Eu crystal in a gradient freeze furnace. Interpreted anomalous interface shape and segregation outcomes observed by experiment.

• Improved the structure of multiple vertical Bridgman furnaces through heat transfer modelling and experiment for better production outcomes.

• Simulated the plastic and cracking behaviour of sapphire crystals based on its thermal history according to fracture mechanics theory.

• Simulated the stress in BaBrCl:Eu crystals caused by non-uniform distribution of dopant atoms, and improved the stress state for cracking prevention by controlling dopant transfer process. Yizheng Jin Group, State Key Lab of Silicon Materials, Zhejiang Univ., China 06/2012-06/2014

• Synthesized ZnO nanocrystals, and characterized their optoelectronic properties under different air compositions.

• Fabricated novel solar cells using perovskite materials with spin coating and vapour deposition techniques. Teaching and Advisory Experience

• Teaching Assistant for courses Materials Properties Lab (Spring 2017) and Metals and Alloys (Fall 2015). Hosted weekly discussion classes and office hours. Instructed 70+ students to use 10+ lab instruments.

• Independently advised one intern from the MERSEC program (Summer 2017) to improve crystal growth process in a 5-zone Bridgman furnace via parametric optimization. Results were presented in ACCGE-17 conference. Selected Presentations

• Chang Zhang et al., “Understanding the Solid-Liquid Phase Transition during the Growth of Scintillator Single Crystals Via Computational Modeling and Neutron Imaging,” AICHE 2017 Annual Meeting, 10/2017, Minneapolis, MN

• Chang Zhang et al., “Computational modeling of scintillator crystal growth within a Bridgman furnace imaged via neutron scattering,” ACCGE-17, 08/2017, Santa Fe, NM Awards and Honors

• Recipient of Mathew Tirrell Fellowship for graduate studies at CEMS, University of Minnesota

• Recipient of Outstanding Graduate Award (top 5%) at Zhejiang University, China

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