Jun Qu, R&D Staff Scientist
Surface Processing and Mechanics Group
Materials Science and Technology Division
Oak Ridge National Laboratory
Post Office Box 2008
Oak Ridge, TN 37831-6063
Tel: 865-576-9304
Fax: 865-574-4913
qujn@ornl.gov

Dr. Jun Qu is a R&D staff of the Materials Science & Technology Division at ORNL. He earned his Ph.D. (2002) and M.S. (1999) in Mechanical Engineering from North Carolina State University and Iowa State University, respectively. He also holds a M.S. and B.S. in Precision Instrument Engineering from Tianjin University, P.R. China. His present research interests are focused on tribological behavior of advanced materials and lubricants, particularly friction and wear issues associated with combustion engines and brake systems. He has more than 30 publications on peer-reviewed journals or conference proceedings.


EDUCATION:

  • Ph.D., Major: Mechanical Engineering, Minor: Electrical Engineering, GPA: 4.0/4.0,
    North Carolina State University, Raleigh, North Carolina, 2002
  • M.S., Mechanical Engineering, Iowa State University, Ames, Iowa, 1999
  • M.E., Precision Instrument Engineering, Tianjin University, Tianjin, P.R. China, 1998
  • B.S., Precision Instrument Engineering, Tianjin University, Tianjin, P.R. China, 1995

EXPERIENCE:

  • 2/2004 – present, R&D Staff Scientist, Oak Ridge National Laboratory (ORNL), Materials Science and Technology Division, Surface Processing and Mechanics Group, Oak Ridge, Tennessee.
  • 5/2002 – 2/2004, Postdoctoral Research Fellow, ORNL
    Research Fields: Nanomanufacturing, Surface Engineering, Tribology, and Solar Energy
    Major research projects:
    • Highly ordered TiO2 nanotubes using ionic liquids for photovoltaics
    • Nanostructured superhydrophobic coatings for breakthrough energy savings
    • Ionic liquids as novel lubricants and/or additives for automotive engines and wind turbines
    • Forming a wear-resistant nanocomposite surface using friction stir process
    • AlMgB14-based superhard nanocoatings for high-efficiency hydraulic and tooling systems
    • Oxygen diffusion to improve the tribological characteristics for titanium alloys
    • Low-temperature colossal carbon supersaturation for austenitic stainless steels
    • Diesel fuel injector scuffing in ultra-low-sulphur-, bio-diesel, and E-diesel fuels
    • Advanced coatings and lubricants for heavy-duty diesel piston rings and cylinder liners
    • Thermal drilling of lightweight alloys
  • 8/1999 – 4/2002, Research Assistant, North Carolina State University, Dept. of Mechanical & Aerospace Engineering, Raleigh, North Carolina.
    Research Field: Manufacturing
    Major research projects:
    • Development of cylindrical wire electrical discharge machining (EDM) process
    • Characterization and improvement of surface integrity of EDM-processed materials
  • 1/1998 – 7/1999, Research Assistant, Iowa State University, Dept. of Mechanical Engineering, Ames, Iowa.
    Research Field: Computer Aided Design
    Major research projects:
    • 3D surface/curve matching and shape conformance checking
    • Non-linear integrate approximation of procedurally defined curves using b-splines
  • 5/1998 – 8/1998, Summer Intern, Center for Nondestructive Evaluation, Ames, IA
    Project: Anisotropic material characterization using ultrasonic
  • 3/1995 – 12/1997, Research Assistant, State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin, P.R. China.
    Research Field: Precision Metrology
    Major research projects:
    • Compensation of eåeasurement and data analysis system for CMM

HONORS:

  • John Bollinger Outstanding Young Manufacturing Engineer Award, Society of Manufacturing Engineers (SME), 2009.
  • Outstanding Paper Award Finalist, North American Manufacturing Research Institution of the Society of Manufacturing Engineers, NAMRC 27, 1999.

RESEARCH GRANTS:

  1. J. Qu (PI) and S. Dai, “Synthesis of Highly Ordered TiO2 Nanotubes Using Ionic Liquids for Photovoltaics Applications,” DOE EERE ITP, $200,000, FY 2009-2010.
  2. J. Qu (PI), P.J. Blau, S. Dai, H. Luo, B.G. Bunting, C. Kim, S.C. Tung, and E.W. Schneider, “Ionic Liquids as Novel Lubricants for Engine Applications,” Department of Energy (DOE), Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Program (VTP), CRADA with General Motors Corp., $1,809,000, FY 2008-2012.
  3. J. Qu (PI), J. Simpson, V.K. Sikka, D. Speicher, A. Jones, and C.H. Choi, “Nanostructured Superhydrophobic Coatings for Breakthrough Energy Savings,” DOE EERE Industrial Technologies Program (ITP), collaborated with Ross Technology and Stevens Institute of Technology, $2,595,000, FY 2008-2011.
  4. J. Qu (PI), P.J. Blau, W.H. Peter, and J. Kiggans, “Low-Cost, High-Performance Titanium Brake Rotors,” ORNL MSTD Maturation Fund, $20,000, FY 2008.
  5. B. Lisowsky (PI, Eaton), D. Zhu, B. Cook, P.J. Blau, J. Qu, V.K. Sikka, C.K. Jun, and J. Goldsmith, “Nanocoatings for High-Efficiency Industrial Hydraulic and Tooling Systems,” DOE EERE ITP, collaborated with Eaton Corp., Ames Lab, and Greenleaf Corp., $2,860,000, FY 2007-2010.
  6. J. Qu (PI), Z. Feng, P.J. Blau, X.L. Wang, L. An, J.J. Truhan, E. Lara-Curzio1, H. Wang, and S.A. David, “A Novel Process of Thick Nanocomposite Surfaces for Defense Applications,” ORNL LDRD Director’s R&D Fund, $600,000, FY 2007-2008.
  7. B.G. Bunting, J. Qu, and P.J. Blau, “Materials for HCCI: Engine Cylinder Coatings for
    Friction and Wear Reduction,” DOE EERE VTP, $40,000, FY 2007-2008.
  8. J. Qu (PI), P.J. Blau, S. Dai, H. Luo, “Ionic Liquids as Novel Lubricants for Engine Applications,” DOE EERE VTP, $21,000, FY 2007-2008.
  9. G.M. Ludtka and J. Qu, “Improving Enamel-Based Coatings,” SSW Holding Company, Inc., $50,000, FY 2006-2007.
  10. C. Daniel, N.B. Dahotre, B.L. Armstrong, P.J. Blau, and J. Qu, “Laser Interference Direct Structuring of Zirconia for Dental Materials,” ORNL Seed Money Fund, $42,000, FY 2006-2007.
  11. J. Qu (PI), J.J. Truhan, S. Dai, H. Luo, P.J. Blau, “Ionic Liquids as Novel Lubricants,” ORNL Seed Money Fund, $145,000, FY 2005-2006.
  12. P.J. Blau (PI), J. Qu, and J. Klett, “Investigation of Tribological Properties of Graphitic Foam Reinforced Carbon-Carbon Composites,” ORNL Seed Money Fund, $20,000, FY 2003.

AFFILIATIONS AND PROFESSIONAL ACTIVITIES:

  • Associate Editor, Case Studies and Test Methods, 17th International Conferences on Wear of Materials, Las Vegas, April 19-22, 2009.
  • Chair of the Technical Committee of Surface Engineering, the Society of Tribologists & Lubrication Engineers (STLE) 2008-2009.
  • Lead organizer of the Sessions of Surface Engineering and a panel discussion on surface texturing for the 2008 STLE Annual Meeting, May 18-22, 2008 Cleveland, OH.
  • Chair/co-chair technical sessions in the International Wear of Materials Conferences, STLE Annual Meetings, ASME International Mechanical Engineering Congress and Exposition, TMS 2008 Annual Meeting & Exhibition, and International Conference & Exposition on Advanced Ceramics and Composites.

PATENTS/INVENTION DISCLOSURES:

  1. J. Qu, J.J. Truhan, S. Dai, H. Luo, P.J. Blau, “Lubricants or Lubricant Additives Composed of Ionic Liquids Containing Ammonium Cations,” U.S. Patent, published on Mar. 20, 2008 (Publication# US-2008-0070817-A1).
  2. J.A. Ambrose, G. Mackiewicz-Ludtka, V.K. Sikka, and J. Qu, “Oven rack having integral lubricious, dry porcelain surface,” International Patent Cooperation Treaty (PCT), published on Jan. 31, 2008 (Publication# WO-2008-013596-A2).
  3. J. Qu, S. Dai, and H. Luo, "Synthesis of Highly Ordered TiO2 Nanotubes Using Ionic Liquids" ORNL Invention Disclosure (05-697, elected for patent filing).
  4. J. Qu, H.T. Lin, P.J. Blau, and V.K. Sikka, “Oxygen Diffusion to Dramatically Improve the Wear-Resistance of Titanium-Aluminides (Ti3Al, TiAl, TiAl3),” ORNL Invention Disclosure (05-555, elected for patent filing).
  5. J. Qu and P.J. Blau, “Oxygen-Diffused Titanium for Engine and Other Bearing Applications,” ORNL Invention Disclosure (05-321), 2006.
  6. J. Qu, P.J. Blau, and C.A. Blue, “Oxygen-Diffused Titanium Alloys as Brake Rotor/Drum Materials,” ORNL Invention Disclosure (05-275), 2006.
  7. J. Qu, L. An, Z. Feng, and P. Angelini, “Forming Nanocomposite Surface Layers by Friction Stir Processing,” ORNL Invention Disclosure (05-172), 2006.
  8. V.K. Sikka and J. Qu, “Scratch Resistant stainless steels for Kitchen Appliances and Utensils,” ORNL Invention Disclosure (05-367), 2006.

INVITED TALKS:

  1. “Oxygen Diffusion Dramatically Improves Wear-Resistance for Titanium Alloys,” Global Powertrain Congress - North America, Chicago, IL, October 14-15, 2008.
  2. “Ionic Liquids as Novel Lubricants and Additives for Engine Applications,” General Motors Corporation Research and Development Center, Warren, MI, Sept. 18, 2007.
  3. “Tribological Properties of Stainless Steels Treated by Colossal Carbon Supersaturation,” Keynote Talk in the Session of Surface Modifications and Coatings, 16th International Conference on Wear of Materials, Montreal, Quebec, Canada, Apr. 15-19, 2007.
  4. “Advanced Low-Friction High-Wear-Resistant Lightweight Materials,” Institute for Defense and Government Advancement (IDGA)’s 4th: Next Generation Materials for Defense Conference, Arlington, VA, Feb. 28 - Mar. 1, 2006.
  5. “An Efficient Method for Determining Wear Volumes of Sliders With Non-Flat Wear Scars,” Panel Discussion: Instrumentation and Techniques for Wear Measurement, The 2006 STLE Annual Meeting, Calgary, Alberta, Canada, May 7-11, 2006.

PUBLICATIONS:

Book Chapter:

  1. J. Qu, “Diesel Fuel Lubrication and Testing,” in: Automotive Lubricants and Testing Handbook, ASTM International (in review).


Refereed Journal Papers:

  1. J. Qu, P.J. Blau, J.Y. Howe, H.M. Meyer III, “Oxygen Diffusion Enables Anti-Wear Boundary Film Formation on Titanium Surfaces in Zinc-Dialkyl-Dithiophosphate (ZDDP)-Containing Lubricants,” Scripta Materialia, (in press).
  2. J. Qu, S. Dai, H. Luo, H.M. Meyer III, J.J. Truhan, P.J. Blau, “Tribological Characteristics of Aluminum Alloys against Steel Lubricatedby Imidazolium and Ammonium Ionic Liquids,” Wear (in press).
  3. J. Qu, P.J. Blau, B.C. Jolly, “Oxygen-Diffused Titanium as a Candidate Brake Rotor Material,” Wear (in press).
  4. J. Qu, H. Xu, Z. Feng, K. An, R. Battiste, L. An, H. Heinrich, “Forming Al-Al2O3 Nanocomposite Surfaces Using Friction Stir Processing,” Transactions of the NAMRI/SME, 2009 (in press).
  5. P.J. Blau, M. Yao, J. Qu, J. Wu, “Use of Multiple Criteria to Map the High-Temperature Scuffing Behavior of Co-Based Superalloys,” Wear (in press).
  6. Qu, J., Blau, P.J., Zhang, L., Xu, H., “Effects of Multiple Treatments of Low-Temperature Colossal Supersaturation on Tribological Characteristics of Austenitic Stainless Steels,” Wear, Vol. 265, No. 11-12, Nov. 2008, pp. 1909-1913.
  7. Qu, J., Blau, P.J., “A New Model to Calculate Friction Coefficients and Shear Stresses in Thermal Drilling,” ASME Journal of Manufacturing Science and Engineering, Vol. 130, No. 1, Feb. 2008, 014502..
  8. Klepper, C.C., Williams, J.M., Truhan, J.J., Qu, J., Riester, L., Hazelton, R.C., Moschella, J.J., Blau, P.J., Anderson, J.P., Popoola, O.O., Keitz, M.D., “Tribo-Mechanical Properties of Thin Boron Coatings Deposited on Polished Cobalt Alloy Surfaces for Orthopedic Applications,” Thin Solid Films, Vol. 516, Feb. 2008, pp. 3070-3080.
  9. Qu, J., Blau, P.J., Sikka, V.K., “Measurement of the Resistance of Treated Metal Foils to Scrubbing Abrasion Using a Modified Reciprocating Wear Test,” Journal of ASTM International, Vol. 4, No. 8, Sept. 2007, Paper ID JAI101294.
  10. Qu, J., Blau, P.J., Jolly, B.C., “Tribological Properties of Stainless Steels Treated by Colossal Carbon Supersaturation,” Wear, Vol. 263, No. 1-6, Aug. 2007, pp. 719-726.
  11. Blau, P.J., Jolly, B.C., Qu, J., Peter, W.H., Blue, C.A., “Tribological Investigation of Titanium-Based Materials for Brakes,” Wear, Vol. 263, No. 7-12, Aug. 2007, pp. 1202-1211.
  12. Truhan, J.J., Menon R., LeClaire, F., Wallin, J., Qu, J., Blau, P.J., “The Friction and Wear of Various Hard-Face Claddings for Deep-Hole Drilling,” Wear, Vol. 263, No. 1-6, Aug. 2007, pp. 234-239.
  13. Liao, T.W., Ting, C.F., Qu, J., Blau, P.J., “A Wavelet-Based Methodology for Grinding Wheel Condition Monitoring,” International Journal of Machine Tools & Manufacture, Vol. 47, No. 3-4, Mar. 2007, pp. 580-592.
  14. Qu, J., Truhan, J.J., Blau, P.J., Ott, R., “The Development of a Pin-on-Twin Scuffing Test to Evaluate Materials for Heavy Duty Diesel Fuel Injectors,” Tribology Transactions, Vol. 50, No. 1, Jan. 2007, pp. 50-57.
  15. Liao, T.W., Hua, G., Qu, J., Blau, P.J., “Grinding Wheel Condition Monitoring with Hidden Markov Model-Based Clustering Methods,” Machining Science and Technology, Vol. 10, No. 4, Oct.-Dec. 2006, pp. 511-538.
  16. Qu, J., Truhan, J.J., “An Efficient Method for Accurately Determining Wear Volumes of Sliders with Non-Flat Wear Scars and Compound Curvatures,” Wear, Vol. 261, Oct. 2006, pp. 848-855.
  17. Qu, J., Truhan J.J., Dai S., Luo, H., Blau, P.J., “Ionic Liquids with Ammonium Cations as Lubricants or Additives,” Tribology Letters, Vol. 22, No. 3, Jun. 2006, pp. 207-214.
  18. Miller, S.F., Kao, C.C., Shih, A.J., Qu, J., “Investigation of Wire Electrical Discharge Machining of Thin Cross-Sections and Compliant Mechanisms,” International Journal of Machine Tools & Manufacture, Vol. 45, No. 15, Dec. 2005, pp. 1641-1740.
  19. Qu, J., Shih, A.J., Scattergood, R., Luo, J., “Abrasive Micro-Blasting to Improve Surface Integrity of Electrical Discharge Machined WC-Co Composite,” Journal of Materials Processing Technology, Vol. 166, No. 3, Aug. 2005, pp. 440-448.
  20. Qu, J., Truhan, J.J., Blau, P.J., Meyer, H.M. III, “Scuffing Transition Diagrams for Heavy Duty Diesel Fuel Injector Materials in Ultra Low-Sulfur Fuel-Lubricated Environment,” Wear, Vol. 259, No. 7-12, Jul. 2005, pp. 1031-1040.
  21. Truhan, J.J., Qu, J., Blau, P.J., “The Effect of Lubricating Oil Condition on the Friction and Wear of Piston Ring and Cylinder Liner Materials in a Reciprocating Bench Test,” Wear, Vol. 259, No. 7-12, Jul. 2005, pp. 1048-1055.
  22. Qu, J., Blau, P.J., Watkins, T.R., Cavin, O.B., Kulkarni, N.S., “Friction and Wear of Titanium Alloys Sliding Against Metal, Polymer, and Ceramic Counterfaces,” Wear, Vol. 258, No. 9, Apr. 2005, pp. 1348-1356.
  23. Qu, J., Truhan, J.J., Blau, P.J., “Evaluating Candidate Materials for Heavy Duty Diesel Fuel Injectors Using a ‘Pin-On-Twin’ Scuffing Test,” Tribology International, Vol. 38, No. 4, Apr. 2005, pp. 381-390.
  24. Qu, J., Truhan, J.J., Blau, P.J., “Detecting the Onset of Localized Scuffing with the Pin-on-Twin Fuel-Lubricated Test for Heavy Duty Diesel Fuel Injectors,” International Journal of Engine Research, Vol. 6, No. 1, Mar. 2005, pp. 1-9.
  25. Truhan, J.J., Qu, J., Blau, P.J., “A Rig Test to Measure Friction and Wear of Heavy Duty Diesel Engine Piston Rings and Cylinder Liners using Realistic Lubricants,” Tribology International, Vol. 38, No. 3, Mar. 2005, pp. 211-218.
  26. Qu, J., Truhan, J.J., Blau, P.J., “Application of the ASTM Loop Abrasion Test to Cylindrical Specimens,” Journal of Testing and Evaluation, JTE12508, Vol. 33, No. 1, Jan. 2005, pp. 527-531.
  27. Qu, J., Blau, P.J., Klett, J., Jolly, B., “Sliding Friction and Wear Characteristics of Novel Graphitic Foam Materials,” Tribology Letters, Vol. 17, No. 4, Nov. 2004, pp. 879-886.
  28. Hardin, C.W., Qu, J., Shih, A.J., “Fixed Abrasive Diamond Wire Saw Slicing of Single Crystal Silicon Carbide Wafers,” Materials and Manufacturing Processes, Vol. 19, No. 2, May 2004, pp. 355–367.
  29. Qu, J., Sarma, R., “The Continuous Non-Linear Approximation of Procedurally Defined Curves Using Integral B-Splines,” Engineering with Computers, Vol. 20, No. 1, Mar. 2004, pp. 22-30.
  30. Miller, S.F., Shih, A.J., Qu, J., “Investigation of the Spark Cycle on Material Removal Rate in Wire Electrical Discharge Machining of Advanced Materials,” International Journal of Machine Tools & Manufacture, Vol. 44, Mar. 2004, pp. 391-400.
  31. Patten, J., Fesperman, R., Kumar, S., McSpadden, S., Qu, J., Lance, M., Nemanich, R., Huening, J., “High-Pressure Phase Transformation of Silicon Nitride,” Applied Physics Letters, Vol. 83, No. 23, Dec. 2003, pp. 4740-4742.
  32. Qu, J., Shih, A.J., “Analytical Surface Roughness Parameters of a Theoretical Profile Consisting of Elliptical Arcs,” Machining Science and Technology, Vol. 7, No. 2, Jul. 2003, pp. 281-294.
  33. Qu, J., Riester, L., Shih, A. J., Scattergood, R., Lara-Curzio, E., Watkins, T., “Nanoindentation Characterization of Surface Layers of Electrical Discharge Machined Wc-Co,” Materials Science and Engineering-A, Vol. 334, Jan. 2003, pp. 125-131.
  34. Qu, J., Shih, A.J., Scattergood, R., “Development of the Cylindrical Wire Electrical Discharge Machining Process, Part II: Surface Integrity and Roundness,” ASME Journal of Manufacturing Science and Engineering, Vol. 124, No. 3, Aug. 2002, pp. 708-714.
  35. Qu, J., Shih, A.J., Scattergood, R., “Development of the Cylindrical Wire Electrical Discharge Machining Process, Part I: Concept, Design, and Material Removal Rate,” ASME Journal of Manufacturing Science and Engineering, Vol. 124, No. 3, Aug. 2002, pp. 702-707.
  36. Qu, J., Sarma, R., “Least Square Curve and Surface Localization for Shape Conformance Checking,” SME Journal of Manufacturing Systems, Vol. 19, No. 5, 2000, pp. 297-304.
  37. Qu, J., Sarma, R., “Least Square Curve and Surface Localization for Shape Conformance Checking,” Transactions of the NAMRI/SME, 1999, pp. 275-280.
  38. Qu, J., Shih, A.J., “Surface Investigation of Wire Electrical Discharge Turning,” China Machinery and Electronics, Vol. 120, 2001, pp. 43-44.
  39. Qu, J., Zhang, G.X., “Environmental Error Compensation of Displacement Interferometry System,” Chinese Aviation Engine, Vol. 104, No. 3, 2001, pp. 43-44, 3.
  40. Li, D.G., Zhang, G.X., Qu, J., “Comprehensive Compensation for the Environmental Error Factor in High-Accuracy laser Interferometry,” Chinese Opto-Electronic Engineering, Vol. 26, No. 4, 1999, pp. 28-33.
  41. Dong, C.S., Qu, J., Wang, J.X., Zhang, G.X., Mu, Y.H., “Description of Motion Accuracy in Coordinate Measuring Machines,” Chinese Aviation Precision Manufacturing Technology, Vol. 34, No. 1, 1998, pp. 32-34.
  42. Zhuang, B.H., Zhang, W.W., Feng, S.G., Qu, J., Cui, D., “Inner and Exterior Surface Measurement Using Laser Triangulation,” Chinese Measuring Techniques, No. 8, 1995, pp. 44-47.       

Conference Proceedings:

  1. J. Qu, P.J. Blau, D. Zhu, B.A. Cook, A.A. Elmoursi, “Tribological Characteristics of AlMgB14 and Nanocomposite AlMgB14-TiB2 Superhard Coatings,’ Proceedings of IJTC2008 STLE/ASME International Joint Tribology Conference, Miami, FL, Oct. 20-22, 2008.
  2. Qu, J., Xu, H., Feng, Z., Frederick, D.A., Jolly, B.C., David, S.A., “Producing a Composite Surface Using Friction Stir Processing,” IMECE2007-42083, Proceedings of the International Mechanical Engineering Congress & Exposition, Seattle, WA, Nov. 11-16, 2007.
  3. Qu, J., An, L., Blau, P.J., “Sliding Friction and Wear Characteristics of Al2O3-Al Nanocomposites,” Proceedings of IJTC2006 STLE/ASME International Joint Tribology Conference, San Antonio, Texas, Oct. 23-25, 2006.
  4. J.M. Williams, C.C. Klepper, R.C. Hazelton, and M.D. Keitz, J.E. Lemons, M. Anabtawi, S. Luque, G.M. Ludtka, L. Riester, J. Qu, J.J. Truhan, Jr. "Boron and Boron-based Coatings as Deposited by the Cathodic Arc Technique," Surface Modification Technologies,  T.S. Sudarshan and J.J. Stiglich, Eds.,   ASM International,  Materials Park, OH, (2006) p. 72.
  5. Qu, J., Blau, P.J., Jolly, B., Klett, J., “High-Thermal-Conductivity Densified Graphitic Foams as Novel Bearing Materials,” Proceedings of the 30th International Conference & Exposition on Advanced Ceramics & Composites, Cocoa Beach, FL, Jan. 22-27, 2006.
  6. Qu, J., Liao, T.W., Blau, P.J., Shelton, J.E., Tiegs, T.N., “Grindability of TiC-Ni3Al Metal Matrix Composites,” Proceedings of the30th International Conference & Exposition on Advanced Ceramics & Composites, Cocoa Beach, FL, Jan. 22-27, 2006.
  7. Qu, J., Blau, P.J., “Scanning Acoustic Microscopy for Characterization of Coatings and Near-Surface Features of Ceramics,” Proceedings of the 30th International Conference & Exposition on Advanced Ceramics & Composites, Cocoa Beach, FL, Jan. 22-27, 2006.
  8. Blau P.J., Qu J., Riester, L., “Effects of Laser Surface Texture on the Microstructure and Frictional Characteristics of Zirconia Surfaces under Liquid and Solid Lubrication,” Proceedings of WTC2005 World Tribology Congress III, Washington, D.C., September 12-16, 2005.
  9. Blau P.J., Qu J., Jolly, B.C., “Wear Reduction of Austenitic Stainless Steel using a Novel, Low-Temperature Carburization Process,” Proceedings of the 4th ASM International Surface Engineering Congress & Exhibition, St. Paul, MN, Aug. 1-3, 2005.
  10. Miller, S.F., Qu, J., Shi, E., Kao, C., and Shih, A.J., “Investigation of Wire Electrical Discharge Machining of Thin Cross-Sections and Compliant Mechanisms,” Proceedings of 2004 ASME International Mechanical Engineering Congress and Exposition, IMECE2004-60894, Anaheim, CA, Nov. 13-19, 2004.
  11. Qu, J., Blau, P.J., Shih, A.J., McSpadden, S.B., Pharr, G.M., Jang, J., “Scanning Acoustic Microscopy for Non-Destructive Evaluation of Subsurface Characteristics,” Paper #435, Proceedings of the 6th International Conference on Frontiers of Design and Manufacturing (S.M. Wu Symposium on Manufacturing Sciences), Xi’an, China, Jun. 21-23, 2004.
  12. Hardin, C.W., Qu, J., Shih, A.J., “Fixed Abrasive Diamond Wire Saw Slicing of Single Crystal SiC Wafers,” Proceedings of 2003 ASME International Mechanical Engineering Congress and Exposition, IMECE2003-41836, Washington, D.C., Nov. 15-21, 2003, ASME, MED, v 14, pp. 653-660.
  13. Qu, J., McSpadden, S.B., Blau, P.J., “Characterization of Subsurface Damage and Phase Transformations of Ceramics Using Scanning Acoustic Microscopy,” Proceedings of High Pressure Phase Transformations of Semiconductors and Ceramics, Charlotte, NC, August 20-22, 2003.
  14. Qu, J., Shih, A.J., Scattergood, R., “Development of the Cylindrical Wire Electrical Discharge Machining Process,” Symposium on Nontraditional Manufacturing Research and Applications, Proceedings of 2001 ASME International Mechanical Engineering Congress and Exposition, Vol. 3, IMECE2001/MED-23343, New York, Nov. 11-16, 2001. ASME, MED, v 12, 2001, pp. 389-396.
  15. Qu, J., Shih, A.J., Scattergood, R. McSpadden, S.B., “Cylindrical Wire Electrical Discharge Machining Process Development,” Proceedings of the ASPE 2001 Annual Meeting, Vol. 25, Nov. 10-15, 2001, pp. 501-504.
  16. Qu, J., Sarma, R., "Low-Degree B-Spline Approximation of Procedurally Designed Curves", Proceedings of the 1999 ASME Design Engineering Technical Conference, Vol. 1, 1999, pp. 577-586

Group Members

Surface Processing and Mechanics Group