To contact us:

 

Phone: 410-516-7257

Fax: 410-516-7254

E-mail contact: lstarnes@jhu.edu

 

NanoMicro Composites

Publications

  1. Wei, Q., Ramesh, K.T., Ma, E., Kesckes, L.J., Dowding, R.J., Kazykhanov, V.U. and Valiev, R.Z., “Plastic Flow Localization in Bulk Tungsten with Ultrafine Microstructure,” Applied Physics Letters, Vol. 86, 101907, 2005
  2. Joshi, SP, K.T. Ramesh, Han, BQ and Lavernia, EJ. “Modeling the constitutive response of bimodal metals.”, Metallurgical and Materials Transactions A. 37(8), 2397-2404, 2006.
  3. Joshi, SP and Ramesh, KT. “An Enriched Continuum Model for the Design of a Hierarchical Composite.”  Scripta Materialia, 57, 877-880, 2007.
  4. Zhang, H, Ye, J, Joshi, SP, Schoenung, JM, Chin, ESC, Gazonas, GA and Ramesh, KT. “Superlightweight Nanoengineered Aluminum for Strength Under Impact.” Advanced Engineering Materials, 9(5), 355-359, 2007.
  5. Zhang, H., K.T. Ramesh and E.S.C. Chin,“Effects of Interfacial Debonding on the Rate-Dependent Response of Metal Matrix Composites,” Acta Materialia, Vol. 53, pp. 4687-4700, 2005.
  6. Q. Wei, T. Jiao, K.T. Ramesh, E. Ma, L.J. Kecskes, L. Magness, R. Dowding, V.U. Kazykhanov & R.Z. Valiev, “Mechanical behavior and dynamic failure of high-strength ultrafine grained tungsten under uniaxial compression,” Acta Materialia, Vol. 54, No. 1, pp. 77-87, 2006.
  7. Schuster, B.E., Wei, W., Zhang, H. and Ramesh, K.T., “Microcompression of Nanocrystalline Nickel,” Applied Physics Letters, 88, No. 103112, 2006.
  8. Q. Wei, K.T. Ramesh, B.E. Schuster, L.J. Kecskes & R.J. Dowding, “Nanoengineering Opens a New Era for Tungsten as Well,” Journal of Metals, pp. 40-44, September 2006.
  9. H. Zhang, M.W. Chen, K.T. Ramesh, J. Ye, J. Schoenung, E.S.C. Chin, “Tensile Behavior and Dynamic Failure of Aluminum 6092/B4C Composites,” Materials Science & Engineering A, Vol. 433, pp. 70-82, 2006.
  10. Q. Wei, T. Jiao, K.T. Ramesh, E. Ma, L.J. Kecskes, L. Magness, R. Dowding, V.U. Kazykhanov & R.Z. Valiev, “Microstructure and mechanical properties of super-strong nanocrystalline tungsten processed by high-pressure torsion,” Acta Materialia, 54, No. 15, pp. 4079-4089, 2006.
  11. Li, Y. & Ramesh, K.T., “An Optical Technique for Accurate Measurement of Material Properties in the Tension Kolsky Bar,” International Journal of Impact Engineering, Volume 34, No. 4, pp. 784-798, 2007.
  12. Li, Y., Ramesh, K.T., & Chin, E.S.C., “Plastic Deformation and Failure in A359 Aluminum and an A359/SiCp MMC under Quasistatic and High-Strain-Rate Tension,” Journal of Composite Materials, Vol. 41, No. 1, pp. 27-41, 2007.
  13. S.P. Joshi and K.T. Ramesh, “Rotational Diffusion and Grain-Size Dependent Shear Instability in Nanostructured Materials,” Acta materialia, Vol. 56, pp.  282–291, Jan. 2008.
  14. S. P. Joshi & K.T. Ramesh, “Grain Size Dependent Shear Instabilities in BCC and FCC Materials,” Materials Science & Engineering A, Vol. 493, No. 1-2, pp. 65-70,  2008.
  15. Wei, Q., B. S. Schuster, K. T. Hartwig, L. J. Kecskes, R. J. Dowding and K. T. Ramesh, “Dynamic behavior of body-centered cubic metals with ultra-fine-grain and nanocrystalline microstructures,” Materials Science & Engineering A, Vol. 493, No. 1-2, pp. 58-64, 2008.
  16. Zhang, H., J. Ye, S.P. Joshi, J.M. Schoenung, E.S.C. Chin, and K.T. Ramesh, “Rate-Dependent Behavior of Hierarchical Al Matrix Composites,” Scripta Materialia, Vol. 59, No. 10, pp.1139-1142, Nov. 2008.
  17. Zhang, H., K.T. Ramesh, Chin, E.S.C., “A multi-axial constitutive model for metal matrix composites,” Journal of Mechanics and Physics of Solids, Vol. 56, No. 10, pp. 2972-2983, Oct. 2008.
  18. S.P. Joshi, C. Eberl, B. Cao, K.T. Ramesh & K.J. Hemker, “On the Occurrence of Portevin – Le Châtelier Instabilities in Ultrafine-Grained 5083 Aluminum Alloys,” Experimental Mechanics, Vol. 49, No. 2, pp. 207-218, 2009.
  19. Zhang, H., K.T. Ramesh and E.S.C. Chin, “Effects of Interfacial Debonding on the Rate-dependent Response of Metal-Matrix Composites,” Acta Materialia, 2005.

Presentations

K.T. Ramesh, “The Mechanical Behavior of Nanostructured Metals,” Seminar presented at University of Illinois, Urbana-Champaign.

K.T. Ramesh, K.J. Hemker, E. Ma. “The High-Strain-Rate Deformations of Structural and Nanocrystalline Metals.”, Fields Symposium TMS Feb. 25 – Mar. 1, 2007. Orlando, Florida.

K.T. Ramesh, E. Ma, Q. Wei, S.P. Joshi “The high-strain-rate properties of nanostructured metals” at the 2007 Army Nano Materials Conference, April 23-26, 2007. San Diego, CA.

E.L. Huskins, S.P. Joshi, A.P. Newbery, E.J. Lavernia, K.T. Ramesh “High Strain Rate Dependence of Nano-Micro Al 5083 as Compared to Conventional Material,” at McMat June 3-7, 2007, Austin, Texas.