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Hellen Jiang

Hellen Jiang

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352

Biography

Dr. Hellen Jiang is a materials scientist in the Applied Materials Processing group in EED. She assists the group by developing various materials and processing methods for different applications via understanding of processing-microstructure-properties relationships. Her current projects include developing soft magnetic materials, lightweight materials, and steels using different manufacturing techniques. Prior to joining PNNL in 2014, she researched optimizing rare-earth and rare-earth-free magnetic materials produced using non-equilibrium processing by tuning alloy compositions and processing parameters. She has extensive experience in magnetic materials design and selection and prediction of properties using microstructural features. She has presented over 20 talks at various professional conferences and workshops.

Research Interests

  • Processing-microstructure-properties relationships
  • Developing and understanding non-equilibrium processing, including friction stir welding/processing, extrusion, and cold spray of various materials
  • Understanding weldment behavior of ferrous alloys under corrosive environments, such as water and for nuclear applications
  • Magnetron sputtering of thin films for different applications
  • Understanding and optimizing dissimilar materials joining

Education and Credentials

  • Ph.D., in Materials Engineering, University of Nebraska-Lincoln, NE
  • M.S., in Materials Science, North China Electric Power University (NCEPU), Beijing, China
  • B.S., in Materials Science and Engineering, NCEPU, Beijing, China

Affiliations and Professional Service

  • Minerals, metals and materials society (TMS)
  • IEEE

Awards and Recognitions

  • Outstanding performance award, PNNL, 2016
  • Excellent reviewer award, PNNL, 2016
  • Top poster presentation award, PNNL, 2015
  • Outstanding performance award, PNNL, 2014
  • IEEE student travel grant, IEEE, 2011
  • Outstanding thesis, NECPU, 2010
  • Outstanding (top 3%) Student in NCEPU, 2004-2008
  • Excellent (top 3%) Student Award in Beijing, 2005
  • National Student Excellence Award, China, 2003

Selected Publications

2017

  • Jiang X, SA Whalen, JT Darsell, S Mathaudhu, and NR Overman. 2017. "Friction Consolidation of Gas-Atomized Fe-Si Powders for Soft Magnetic Applications." Materials Characterization 123:166172.  doi:10.1016/j.matchar.2016.11.026
  • Overman NR, SA Whalen, ME Bowden, MJ Olszta, K Kruska, T Clark, EL Stevens, JT Darsell, VV Joshi, X Jiang, KF Mattlin, and S Mathaudhu. 2017. "Homogenization and Texture Development in Rapidly Solidified AZ91E Consolidated by Shear Assisted Processing and Extrusion (ShAPE)." Materials Science and Engineering. A. Structural Materials: Properties, Microstructure and Processing 701:56-68.  doi:10.1016/j.msea.2017.06.062

2016

  • Jiang X, TJ Roosendaal, X Lu, O Palasyuk, KW Dennis, ME Dahl, JP Choi, E Polikarpov, M Marinescu, and J Cui. 2016. "Mechanical and Electrical Properties of Low Temperature Phase MnBi." Journal of Applied Physics 119(3):Article No. 033903.  doi:10.1063/1.4939811
  • Choi Y, X Jiang, W Bi, P Lapa, RK Chouhan, D Paudyal, T Varga, D Popov, J Cui, D Haskel, and JS Jiang. 2016. "Element-resolved magnetism across the temperature- and pressure-induced spin reorientation in MnBi." Physical Review B 94(18):184433.  doi:10.1103/PhysRevB.94.184433

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509/375-6786