Selected Publications for R. O. Ritchie (2009-2010)

• Z. Cheng, W. Yao, E. Zimmerman, C. Busse, R. O. Ritchie, and N. E. Lane, “Prolonged Treatments with Anti-Resorptive Agents and PTH have Different Effects on Bone Strength and the Degree of Mineralization in Estrogen Deficient Osteoporosis in Aged Female Rats”, Journal of Bone and Mineral Research,  vol. 24 (2), Feb. 2009, pp. 209-220.
• M. E. Launey, D. C. Hofmann, W. L. Johnson, and R. O. Ritchie, “Solution to the Problem of the Poor Cyclic Fatigue Resistance of Bulk Metallic Glasses”, Proceedings of the National Academy of Sciences (PNAS), vol. 106 (13), March 31, 2009, pp. 4986-4991.
• M. Staninec, N. Meshkin, S. K. Manesh, R. O. Ritchie, and D. Fried, “Weakening of Dentin from Cracks Resulting from Laser Irradiation”, Dental Materials, vol. 25 (4), April 2009, pp. 520-525.
• K. S. Mohammad, C. Chen, G. Balooch, E. Stebbins, E. Stebbins, C. R. McKenna, H. Davis, M. Niewolna, X. H. Peng, D. H. N. Nguyen, S. S. Ionova-Martin, J. W. Bracey, W. R. Hogue, D. H. Wong, R. O. Ritchie, L. J. Suva, R. Derynck, T. A. Guise, and T. Alliston, “Pharmacologic Inhibition of the TGF-b Type I Receptor has Anabolic and Anti-Catabolic Effects on Bone”, The Public Library of Science - One (PLoS ONE), vol. 4 (4), April 2009, art. e5275 (doi:10.1371/journal.pone.0005275).
• M. E. Launey and R. O. Ritchie, “On the Fracture Toughness of Advanced Materials”, Advanced Materials, vol. 21 (20), May 25, 2009, pp. 2103-2110.
• M. E. Launey, E. Munch, D. H. Alsem, H. B. Barth, E. Saiz, A. P. Tomsia, and R. O. Ritchie, “Designing Highly Toughened Hybrid Composites Through Nature-Inspired Hierarchical Complexity”, Acta Materialia, vol. 57 (10), June 2009, pp. 2919-2932.
• R. O. Ritchie, M. J. Beuhler, and P. Hansma, “Plasticity and Toughness in Bone”, Physics Today, vol. 62 (6), June 2009, pp. 41-47.
• M. E. Launey, D. C. Hofmann, J.-Y. Suh, H. Kzachkov, W. L. Johnson, and R. O. Ritchie, “Fracture Toughness and Crack-Resistance Curve Behavior in Metallic Glass-Matrix Composites”, Applied Physics Letters, vol. 94 (1), June 2009, p. 241910.
• S. Bechtle, M. Kumar, B. P. Somerday, M. E. Launey, and R. O. Ritchie, “Grain-Boundary Engineering Markedly Reduces Susceptibility to Intergranular Hydrogen Embrittlement in Metallic Materials”, Acta Materialia, vol. 57 (14), July 2009, pp. 4148-4157.
• J. J. Kruzic, D. K. Kim, K. J. Koester, and R. O. Ritchie, “Indentation Techniques for Evaluating the Fracture Toughness of Biomaterials and Hard Tissues”, Journal of the Mechanical Behavior of Biomedical Materials, vol. 2 (4), Aug. 2009, pp. 384-395.
• E. A. Zimmermann, M. E. Launey, H. D. Barth, and R. O. Ritchie, “Mixed-Mode Fracture of Human Cortical Bone”, Biomaterials, vol. 30 (29), Oct. 2009, pp. 5877-5884.
• R. O. Ritchie and M. E. Launey, “Crack Growth in Brittle and Ductile Solids”, in Encyclopedia of Tribology, X. Jin and L. M. Keer, eds., Springer, AZ Dordrecht, The Netherlands, 2010.
• M. E. Launey and R. O. Ritchie, “Crack Growth in Noncrystalline Solids”, in Encyclopedia of Tribology, X. Jin and L. M. Keer, eds., Springer, AZ Dordrecht, The Netherlands, 2010.
• S. S. Ionova-Martin, S. H. Do, H. D. Barth, M. Szadkowska, A. E. Porter, J. W. Ager III, J. W. Ager, T. Alliston, C. Vaisse, and R. O. Ritchie, “Reduced Size-Independent Mechanical Properties of Cortical Bone in High-Fat Diet Obesity”, Bone, vol. 46 (1), Jan. 2010, pp. 217-225. 
• P. Novak, R. Yuan, B. P. Somerday, P. Sofronis, and R. O. Ritchie, “A Statistical, Physical-Based, Micro-Mechanical Model of Hydrogen-Induced Intergranular Fracture in Steel”, Journal of the Mechanics and Physics of Solids, vol. 58 (2), Feb. 2010, pp. 206-226.
• M. Budnitzki, M. C. Scates, R. O. Ritchie, E. A. Stach, C. L. Muhlstein, and O. N. Pierron, “The Effects of Cubic Stiffness on Fatigue Characterization Resonator Performance”, Sensors and Actuators A, vol. 157 (2), Feb. 2010, pp. 228-234.
• M. E. Launey, P.-Y. Chen, J. McKittrick, and R. O. Ritchie, “Mechanistic Aspects of the Fracture Toughness of Elk Antler Bone”, Acta Biomaterialia, vol. 6 (4), April 2010, pp. 1505-1514.
• R. O. Ritchie, “How Does Human Bone Resist Fracture?”, Annals of the New York Academy of Sciences, vol. 1192, April 2010, pp. 72-80.
• M. Kueck, Q. M. Ramasse, L. C. De Jonghe, and R. O. Ritchie, “Atomic-Scale Imaging and the Effect of Yttrium on the Fracture Toughness of Silicon Carbide Ceramics”, Acta Materialia, vol. 58 (8), May 2010, pp. 2999-3005.
• D. H. Alsem, B. L. Boyce, E. A. Stach, and R. O. Ritchie, “Effect of Sidewall Morphology on the Fractutre and Fatigue Properties of Polysilicon Structural Films”, in Proceedings of the 12th International Conference on Fracture (ICF-12), Ottawa, Canada, July 2009.
• P. Sofronis, M. Dadfarnia, P. Novak, R. Yuan, B. Somerday, I. M. Robertson, R. O. Ritchie,  T. Kanezaki, and Y. Murakami,  “A Combined Applied Mechanics/Materials Science Approach Toward Quantifying the Role of Hydrogen on Material Degradation”, in Proceedings of the 12th International Conference on Fracture (ICF-12), Ottawa, Canada, July 2009.
• S. Lee, J. A. Lemberg, D. G. Cho, J. Y. Roh, and R. O. Ritchie, “Mechanical Properties of Si3N4-Al2O3 FGM Joints with 15 Layers for High-Temperature Applications”, Journal of the European Ceramic Society, vol. 30 (7), May 2010, pp. 1743-1749.
• M. E. Launey, E. Munch, D. H. Alsem, E. Saiz, A. P. Tomsia, and R. O. Ritchie, “A Novel Biomimetic Approach to the Design of High-Performance Ceramic/Metal Composites”, Journal of the Royal Society Interface, vol. 7 (46), May 2010, pp. 741-753.
• M. Shahnazari, W. Yao, W-W. Dai, B. Wang, A. J. Burghardt, S. S. Ionova-Martin, R. O. Ritchie, D. Heeren, A. J. Burghardt, D. P. Nicolella, M. G. Kimiecik, and N. E. Lane, “Higher Doses of Bisphosphonates Further Improve Bone Mass, Architecture and Strength but not the Tissue Materials Properties in Aged Rats”, Bone, vol. 46 (5), May 2010, pp. 1267-1274.
• H. D. Barth, M. E Launey, A. A. MacDowell, and R. O. Ritchie, “On the Effect of X-ray Irradiation on the Deformation and Fracture Behavior of Human Cortical Bone”, Bone, vol. 46 (6), June 2010, pp. 1475-1485.
• P. J. Thurner, C. G. Chen, S. Ionova-Martin, L. Sun, A. Harman, A. Porter, J. W. Ager III, R. O. Ritchie, and T. Alliston, “Osteopontin Deficiency Increases Bone Fragility but Preserves Bone Mass”, Bone, vol. 46 (6), June 2010, pp. 1564-1573.
• E. A. Zimmermann, M. E. Launey, and R. O. Ritchie, “The Significance of Crack-Resistance Curves to the Mixed-Mode Fracture Toughness of Human Cortical Bone”, Biomaterials, vol. 31 (20), July 2010, pp. 5297-5308.
• M. E. Launey, M. J. Buehler, and R. O. Ritchie, “On the Mechanistic Origins of Toughness in Bone”, Annual Review of Materials Research, vol. 40, 2010, pp. 25-53.
• Diez-Perez, R. Güerri, X. Nogues, E. Cáceres, M. J. Peña, L. Mellibovsky, C. Randall, D. Bridges, J. Weaver, A. Proctor, D. Brimer, K. J. Koester, R. O. Ritchie, and P. K. Hansma, “Microindentation for In Vivo Measurement of Bone Tissue Mechanical Properties in Humans”, Journal of Bone and Mineral Research, vol. 25 (8),Aug. 2010, pp. 1877-1885.
• H. Alsem, R. van der Hulst, E. A. Stach, M. T. Dugger, J. Th. M. de Hosson, and R. O. Ritchie, “Wear Mechanisms and Friction Parameters for Sliding Wear of Micron-Scale Polysilicon Sidewalls”, Sensors and Actuators A, vol. 163 (1), Sept. 2010, pp. 373-382.
• J. L. Chang, D. S. Brauer, J. Johnson, C. Chen, O. Akil, G. Balooch, M. B. Humphrey, E. N. Chin, A. E. Porter, K. Butcher, R. O. Ritchie, R. A. Schneider, A. Lalwani, R. Derynck, G. W. Marshall, S. J. Marshall, L. Lustig, and T. Alliston, “Tissue-Specific Calibration of Extracellular Matrix Material Properties by TGF-b and Runx2 is Required for Hearing”,EMBO Reports (European Molecular Biology Organization), vol. 11 (10), Sept. 2010, pp. 765-771.
• S. S. Ionova-Martin, J. M. Wade, S. Tang, M. Shahnazari, J. W. Ager III, N. E. Lane, W. Yao, T. Alliston, C. Vaisse, and R. O. Ritchie, “Changes in Cortical Bone Response to High-Fat Diet from Adolescence to Adulthood in Mice”, Osteoporosis International, published online (Online First), Oct. 2010 (doi. 10.1007/s00198-010-1432-x).
• V. Wilbrink, M. Utz, R. O. Ritchie, and M. R. Begley, “Scaling of Strength and Ductility in Bioinspired Brick and Mortar Composites”, Applied Physics Letters, vol. 97 (19), Nov. 2010, pp. 193701.
• Busse, D. Djonic, P. Milovanovic, M. Hahn, K. Püschel, R. O. Ritchie, M. Djuric, and M. Amling, “Decrease in the Osteocyte Lacunae Density Accompanied by Hypermineralized Lacunar Occlusion Reveal Failure and Delay of Remodeling in Aged Human Bone”, Aging Cell, vol. 9 (6), Dec. 2010, pp. 1065-1075.
• M. D. Demetriou, M. E. Launey, G. Garret, J. P. Schramm, D. C. Hofmann, W. L. Johnson, and R. O. Ritchie, “A Damage Tolerant Glass”, Nature Materials, vol. 10 (2), Feb. 2011, pp. 123-128.
• R. A. Meirom, D. H. Alsem, A. L. Romasco, T. Clark, R. Polcawich, J. Pulskamp, M. Dubey, R. O. Ritchie, and C. L. Muhlstein,  “Fatigue-Induced Grain Coarsening in Nanocrystalline Platinum Films”,  Acta Materialia, vol. 59 (3) Feb. 2011, pp. 1141-1149.
• M. Shahnazari, W. Yao, B. Panganiban, R. O. Ritchie,Y. Hagar, and N. E. Lane, “Differential Maintenance of Cortical and Cancellous Bone Strength following Discontinuation of Bone Active Agents”, Journal of Bone and Mineral Research, vol. 26 (3), March 2011, pp. 569-581.