History

Blog

View recent blog entries

Member for

1 year 38 weeks

My profile

Full name

Jinglei Yang

URL of homepage

http://www.autonomic.uiuc.edu

Job function

Postdoc

Job sector

University

Company or institution

University of Illinois at Urbana-Champaign

Title of group

Autonomous Materials Systems Group

Doctoral thesis advisor

Klaus Friedrich

Doctoral thesis advisor 2

Zhong Zhang

My resume

Resume

Research Interests
Self-healing/Smart materials: synthesis and manufacture, and characterization, and applications in aerospace, biomaterials, and industrial coatings

Nanocomposites: processing and evaluation including dispersion of nanofillers, elastic and fracture properties, toughening mechanisms, time-dependent deformation, fatigue, and viscoelasticity; applications in automobile industries and multifunctional areas

Phase change materials (PCMs) for energy storage: development of novel nanoencapsulation technique for organic PCMs, characterization including thermophysical property and heat transfer, applications for sustainable energy storage and regeneration in micro- and nanostructured materials including fuel cells, MEMS, and NEMS

Micro- and nano-mechanics of these material systems
--------------------------
Research Expertise
Materials and sample preparation: nano-/microencapsulation of healing agent and catalyst, preparation of self-healing composites, manufacture of thermoplastic and thermosetting polymer-based nanocomposites
Mechanical test: elastic and fracture testing, creep and fatigue, fracture and toughening analysis
Thermal analysis: Thermogravimetry analysis (TGA), Differential scanning calorimetry (DSC); Dynamic mechanical thermo-analysis (DMTA); Coefficient of linear thermal expansion (CTE)
Chemistry analysis: Nuclear Magnetic Resonance (NMR), Matrix Assisted Laser Desorption Ionization -Mass Spectrometry (MALDI-MS), Electrospray Ionization (ESI), Fourier transform infrared spectroscopy (FTIR), and Gel Permeation Chromatography (GPC)
Imaging and analysis: Optical microscope, Scanning electron microscope (SEM), Mechanical roughness measuring device (Perthometer), Transmission electron microscopy (TEM)
Computation and modeling: microcapsule mechanics, viscoelastic analysis, constitutive modeling of nanoparticles and carbon nanotubes filled polymers, and deformation of microcapsules

--------------------------
Education
2006 Ph.D. in Materials Science, Institute for Composite Materials, University of Kaiserslautern, Kaiserslautern, Germany.
2002 M.S. in Solid Mechanics, University of Science and Technology of China (USTC), Hefei, Anhui, China.
1999 B.S. in Theoretical and Applied Mechanics, USTC, Hefei, Anhui, China.

--------------------------
Research Experience
2006 – Research Associate
Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign (UIUC)
Supervisors: Professor Nancy Sottos and Professor Scott White
Topic: Development and characterization of self-healing materials
2002 – 2006 Ph.D. Research Assistant
Institute for Composite Materials, University of Kaiserslautern
Supervisors: Professor Klaus Friedrich and Professor Zhong Zhang
Topic: Mechanical, fracture, creep and fatigue properties and modeling of
polymer-based nanocomposites
1999 – 2002 Graduate Research Assistant
University of Science and Technology of China (USTC)
Supervisors: Professor Xiaoping Wu and Professor Xiaofang Hu
Topic: Experimental study on the mechanical properties, damage evolution and superconductivity of Bi-2223 HTS tapes
1997 – 1999 Undergraduate Research Assistant
University of Science and Technology of China (USTC)
Supervisor: Professor Xiaofang Hu
Major: solid mechanics

--------------------------
Mentoring/advising experience
Summer 2007 Undergraduate Mentor
REU Summer Program, Center for Nanoscale Chemical-Electrical-Mechanical Manufacturing Systems (Nano-CEMMS), UIUC
Duty: trained and mentored an undergraduate student on a research project to use dielectrophoretic force to control the dispersion of nanocapsules in a self-healing thin film.

--------------------------
Teaching Experience
Fall 2007 Co-lecturer (with Prof. Nancy Sottos) for Undergraduates and Graduates in Engineering
MSE456/TAM428/AE428 Mechanical Behavior of Composite Materials, UIUC
Spring 2001 Lab Assistant for Undergraduates in Engineering
Experimental Mechanics, USTC
Spring 2000 Teaching Assistant for Undergraduates in Engineering
Series Theory, USTC

--------------------------
Awards and Honors
2002 – 2006 Ph.D. Research Fellowship, supported by Sofja Kovalevskaja Award of Prof. Z. Zhang
Alexander von Humboldt Foundation, Germany
2001 CAST Fellowship
China Aerospace Corp Foundation, Graduate School at USTC, Hefei, China
1999 GUANGHUA Fellowship
GUANGHUA Education Funds, Graduate School at USTC, Hefei, China
1999 Outstanding Graduate Honor
USTC, Hefei, China
1996-1998 Distinguished Student Scholarship in each year
USTC, Hefei, China

--------------------------
Publications
A. Book
J.L. Yang. "Characterization, Modeling and Prediction of the Creep Resistance of Polymer Nanocomposites", (PhD Thesis), ISBN: 3934930670, Publisher: Institut für Verbundwerkstoffe, 2007.

B. Refereed journal papers
1. O. Starkova, J.L. Yang, Z. Zhang. "Application of time-stress superposition to nonlinear creep of polyamide 66 filled with nanoparticles of various sizes", Composites Science and Technology, 67(13), 2691-2698, (2007).
2. J.L. Yang, Z. Zhang, K. Friedrich, and A. Schlarb. "Resistance to time-dependent deformation of nanoparticle/polymer composites", APL, 91 011901, (2007).
3. T.H. Zhou, W.H. Ruan, J.L. Yang, M.Z. Rong, M.Q. Zhang, and Z. Zhang. "A novel route for improving creep resistance of polymers using nanoparticles", Composite Science and Technology, 67(11-12), 2297-2302, (2007).
4. A. Schlarb, J.L. Yang, Z. Zhang. "Creep resistance of thermoplastic nanocomposites", Key Engineering Materials – The Mechanical Behavior of Materials X, 345-346, 1621-1624, (2007).
5. J.L. Yang, Z. Zhang, K. Friedrich, and A. Schlarb. "Creep resistance of polymer nanocomposites reinforced with multi-wall carbon nanotubes", Macromolecular Rapid Communications, 28(8), 955-961, (2007).
6. S. Lietz, J.-L Yang, E. Bosch, J.K.W. Sandler, Z. Zhang, V. Altstaedt. "Improvement of the mechanical properties and creep resistance of SBS block copolymers by nanoclay fillers", Macromolecular Materials and Engineering, 292(1), 23-32 (2007).
7. J.-L. Yang, Z. Zhang, A. Schlarb, and K. Friedrich. "On the characterization of tensile creep resistance of polymer nanocomposites. Part II: Modeling and prediction of long-term performance", Polymer, 47(19), 6745-6758 (2006).
8. J.-L. Yang, Z. Zhang, A. Schlarb, and K. Friedrich. "On the characterization of tensile creep resistance of polymer nanocomposites. Part I: Experimental results and general discussions", Polymer, 47(8), 2791-2801 (2006).
9. H. Zhang, Z. Zhang, J.-L. Yang. "Temperature dependence of crack initiation fracture toughness for polyamide nanocomposites", Polymer, 47(2), 679-689 (2006).
10. J.-L. Yang, Z. Zhang, H. Zhang. "The essential work of fracture of polyamide 66 filled with TiO2 nanoparticles", Composite Science and Technology, 65(15-16), 2374-2379 (2005)
11. Z. Zhang, J.-L. Yang, and K. Friedrich. "Creep resistant polymeric nanocomposites", Polymer, 45(10), 3481-3485 (2004).
12. X.-F. Hu, J.-L. Yang, X.-P. Wu, et al. "A study on the damage evolution of internal structure for Bi-2223/Ag HTS tapes", Journal of Experimental Mechanics (Chinese) 19, 67-71 (2004).
13. J.-L. Yang, X.-F. Hu, X.-P. Wu. "Experiments on fiber optic displacement sensor for cryogenic environment", Journal of Experimental Mechanics (Chinese) 17, 55-61 (2002).

C. Papers under review or in preparation
1. J.L. Yang, M. Keller, S. White, N. Sottos. "Microencapsulation of chemical reactive materials for self-healing polymers", under review by Sottos and White.
2. J.L. Yang, S. White, N. Sottos. "Compression properties of polyurethane urea microcapsules used in self-healing composites I: experimental and constitutive modeling", in preparation.
3. J.L. Yang, M. Kulkami, S. White, N. Sottos, G. Phillips. "Compression properties of polyurethane urea microcapsules used in self-healing composites II: FEM approach", in preparation.
4. J.L. Yang, S. White, N. Sottos. "Service life extension and external load adoption of self-healing polymers under various cyclic loading trainings", in preparation.
5. J.L. Yang, H. Tan, Y.Y. Huang, Z. Zhang. "A constitutive model for time-dependent deformation of nanoparticles filled polymers under long-term loading", in preparation.

D. Proceeding papers and presentations
1. J.L. Yang, M. Keller, S. White, and N. Sottos, "Microencapsulation of reactive materials for self-healing polymers", in ASME International Mechanical Engineering Congress and Exposition (IMECE 2007), Seattle, Washington, November 11-15, 2007.
2. J.L. Yang, Z. Zhang, K. Friedrich, and A. Schlarb. "Improved creep resistance of thermoplastic nanocomposites reinforced by MWNTs", in ASME International Mechanical Engineering Congress and Exposition (IMECE 2007), Seattle, Washington, November 11-15, 2007.
3. J.L. Yang, N. Sottos, and S. White, "Self-healing of polymers", in Bayer PostDoc Workshop, Berkeley, California, August 19-22, 2007.
4. J.-L. Yang, Z. Zhang, K. Friedrich. "Tensile Creep Behavior of Nanoparticle Filled PA66 under Different Loads and Elevated Temperatures", in China International Conference on Nanoscience and Technology (ChinaNano2005), Beijing, China, June 9-11, 2005.
5. Z. Zhang, J.-L. Yang, H. Zhang, K. Friedrich. "Fatigue crack propagation of inorganic nanoparticle filled polyamide 6,6", in the 11th International Conference on Fracture, Turin, Italy, March 20-25, 2005.
6. J.-L. Yang, Z. Zhang, H. Zhang. "The work-of-fracture of TiO2 nanoparticle filled polyamide 6,6", in the International Symposium on Engineering Plastics (EP’2004), Lanzhou, China, August 15-20, 2004.
7. J.-L. Yang, Z. Zhang, H. Zhang. "The fracture work of polyamide 6,6 filled with TiO2 nanoparticles", in EUROPE-CHINA SYMPOSIUM on Reinforced Polymers, CD-ROM edited by C. G’Sell and S.-L. Bai. (Apollor Association, Nancy, 2004)
8. J.-L. Yang, X.-F. Hu, X.-P. Wu. "Experimental study of the test system for HTS Bi2223/Ag tapes under tension", in The 3rd International Conference on Experimental Mechanics, edited by X.-P. Wu et al. (Proceedings of SPIE Vol. 4537, Beijing 2002), pp.143.
9. X.-F. Hu, J.-L. Yang, Z.-Y. Jiang, et at. "Investigation on internal microstructure and damage evolution in Bi-2223/Ag HTS tapes by synchrotron radiation", in The 3rd International Conference on Experimental Mechanics, edited by X.-P. Wu et al. (Proceedings of SPIE Vol. 4537, Beijing 2002), pp.237.

E. Technical reports
1. A. Tosdal, J.L. Yang, and N. Sottos. "Controlled dispersion of nanocapsules in a self-healing thin film through dielectrophoretic force", technical report of the Nano-SEMMS REU Summer program 2007, UIUC.
2. J.L. Yang, N.R. Sottos, and S.R. White. “Preparation and evaluation of diisocyanate-filled microcapsules”, technical report to Bayer MaterialScience, 2007, UIUC.