Bulk Nanocrystalline Materials and Severe Plastic Deformation

G.G. Yapici*, I. Karaman, and H.J. Maier, 2007, “Microstructure – Mechanical Property Relationships in Ultrafine-grained NbZr,” Submitted to Scripta Materialia.
T. Niendorf, D. Canadinc, H.J. Maier, I. Karaman, and G.G.* Yapici, 2007, “Microstructure – Mechanical Property Relationships in Ultrafine-grained NbZr,” Acta Materialia, Vol. 55, pp. 6596-6605.
T. Niendorf, D. Canadinc, H.J. Maier, and I. Karaman, 2007, “The Role of Heat Treatment on the Cyclic Stress-Strain Response of Ultrafine-grained Interstitial-free Steel,” International Journal of Fatigue, in press.
G.G. Yapici*, I.J. Beyerlein, I. Karaman, and C.N. Tomé, 2007, “Tension-Compression Asymmetry in Severely Deformed Pure Copper,” Acta Materialia, Vol. 55, pp. 4603-4613.
G. Pürçek, I. Karaman, G.G. Yapici*, M. Al-Maharbi*, T. Küçükömeroğlu, and O. Saray, 2007, “Enhancement in Mechanical Behavior and Wear Resistance of Severe Plastically Deformed Two-Phase Zn-Al Alloys,” International Journal of Materials Research (formerly Zeitschrift für Metallkunde), Vol. 98, pp. 332-338.
T. Niendorf, D. Canadinc, H.J. Maier, and I. Karaman, 2007, “On the Microstructural Stability of Ultrafine-Grained Interstitital-Free Steel under Cyclic Loading,” Metallurgical and Materials Transactions A, Vol. 38A, pp. 1946-1955.
I. Karaman, M. Haouaoui*, and H.J. Maier, 2007, “Nanoparticle Consolidation Using Equal Channel Angular Extrusion at Room Temperature,” Journal of Materials Science, the Special Issue on Nanostructured Materials and Mechanical Behavior, Vol. 42, pp. 1561-1576.
B. Kockar*, I. Karaman, A.V. Kulkarni, Y.I. Chumlyakov, and I.V. Kireeva, 2007, “Effect of Severe Ausforming via Equal Channel Angular Extrusion on the Shape Memory Response of a NiTi Alloy,” Journal of Nuclear Materials, A Special Issue in Honor of Professor Wechsler, Vol. 361, pp. 298-305.
S.N. Mathaudhu, K.T. Hartwig, and I. Karaman, 2007, “Consolidation of Blended Powders by Severe Plastic Deformation to Form Amorphous Metal Matrix Composites,” Journal of Non-Crystalline Solids, Vol. 353, pp. 185-193.
T. Niendorf, D. Canadinc, H.J. Maier, I. Karaman, and S.G. Sutter, 2006, “On the Fatigue Behavior of Ultrafine Grained Interstitial Free Steel,” International Journal of Materials Research (formerly Zeitschrift für Metallkunde), Vol. 97, pp. 1328-1336.
M. Haouaoui*, I. Karaman, and H.J. Maier, 2006, “Flow Stress Anisotropy and Bauschinger Effect in Ultrafine Grained Copper,” Acta Materialia, Vol. 54, pp. 5477-5488.
G.G. Yapici*, I. Karaman, and H.J. Maier, 2006, “Mechanical Flow Anisotropy in Severely Deformed Pure Titanium,” Materials Science and Engineering A, Vol. 434, pp. 294-302.
G.G. Yapici*, I. Karaman, and Z.P. Luo, 2006, “Mechanical Twinning and Texture Evolution of Severely Deformed Ti-6Al-4V at High Temperatures,” Acta Materialia, Vol. 54, pp. 3755-3771.
H.J. Maier, P. Gabor, N. Gupta, I. Karaman, and M. Haouaoui*, 2006, “Cyclic Stress-Strain Response of Ultrafine Grained Copper,” International Journal of Fatigue, Vol. 28, pp. 243-250.
I. Karaman, G.G. Yapici*, Y.I. Chumlyakov, and I.V. Kireeva, 2005, “Deformation Twinning in Difficult-To-Work Alloys During Severe Plastic Deformation,” Materials Science and Engineering A, Vol. 410-411, pp. 243-247.
H.J. Maier, P. Gabor, and I. Karaman, 2005, “Cyclic Stress-Strain Response and Low-Cycle Fatigue Damage in Ultrafine Grained Copper,” Materials Science and Engineering A, Vol. 410-411, pp. 457-461.
I. Karaman, A. V. Kulkarni* and Z.P. Luo, 2005, “Transformation Behavior And Unusual Twinning In A NiTi Shape Memory Alloy Ausformed Using Equal Channel Angular Extrusion,” Philosophical Magazine, Vol. 85, pp. 1729-1745.
I. Karaman, J. Robertson*, J.-T. Im*, S. N. Mathaudhu*, Z.P. Luo and K. T. Hartwig, 2004, “The Effect of Temperature and Extrusion Speed on The Consolidation of Zirconium Based Metallic Glass Powder Using Equal Channel Angular Extrusion,” Metallurgical and Materials Transactions A, Vol. 35A, pp. 247-256.
M. Haouaoui*, I. Karaman, H.J. Maier, and K.T. Hartwig, 2004, “Microstructure Evolution and Mechanical Behavior of Bulk Copper Obtained by Consolidation of Micro and Nano Powders,” Metallurgical and Materials Transactions A, Vol. 35A, pp. 2935-2949.
G.G. Yapici*, I. Karaman, Z.P. Luo, H.J. Maier, and Y.I. Chumlyakov, 2004, “Microstructural Refinement and Deformation Twinning During Severe Plastic Deformation of 316L Stainless Steel at High Temperatures,” Journal of Materials Research, Vol. 19, pp. 2268-2278.
G.G. Yapici*, I. Karaman, Z.P. Luo, and H. Rack, 2003, “Microstructure and Mechanical Properties of Severely Deformed Ti-6Al-4V,” Scripta Materialia, Vol. 49, pp. 1021-1027.
J. Robertson*, J.-T. Im*, I. Karaman, K.T. Hartwig and I.E. Anderson, 2003, “Consolidation of Amorphous Copper Based Powder By Equal Channel Angular Extrusion,” J. of Non-Crystalline Solids, Vol. 317, pp. 144-151.