Jamie J. Kruzic

Phone: 510-486-5544
email: jjkruzic@lbl.gov

EDUCATION:

• Ph.D., Materials Science and Engineering, University of California at Berkeley, received 2001.
• Thesis Title: Interfacial and Near Interfacial Crack Growth Phenomena in Metal Bonded Alumina
• Research Supervisor: R. O. Ritchie.
• GPA: 3.95/4.00
• M.S., Materials Science and Mineral Engineering, University of California at Berkeley, received 1998.
•  Thesis Title: On the Initiation and Growth of Small Fatigue Cracks in Gamma-Based Titanium Aluminides
• Research Supervisor: R. O. Ritchie.
• GPA: 4.00/4.00
• B. S. With Honors, Materials Science and Engineering, University of Illinois at Urbana-Champaign, received 1996.
• GPA: 3.79/4.00

RESEARCH AREA:

• Mechanical properties of advanced materials, specifically in the area of fatigue and fracture.
• Current projects include:
• Investigating the fracture and fatigue behavior of biomaterials such as bone and dentin
• Investigating the fracture behavior of silicon nitride and silicon carbide ceramics and the role of interfaces and grain boundaries.
• Investigating the fracture and fatigue behavior of new Molybdenum based "super" alloys.
• Investigating crack size effects and the role of grain bridging in the fatigue of ceramic materials.
• Past projects include:
• Investigating the mechanisms of fatigue and fracture of metal/ceramic interfaces
• Investigating the fatigue crack initiation and growth behavior of small cracks in g-based TiAl

EXPERIENCE:

• November 2001 - Present: Postdoctoral Fellow: Lawrence Berkeley National Laboratory.
• August 1996 - November 2001: Graduate Research Assistant: Department of Materials Science and Mineral Engineering, University of California, Berkeley.
• August - December 1998: Graduate Student Instructor: MSE 113--Mechanical Behavior of Materials, Department of Materials Science and Mineral Engineering, University of California, Berkeley.
• January - May 1996: Undergraduate Research Aide: Department of Materials Science and Engineering, University of Illinois, Urbana-Champaign.
• April 1994 - July 1995: Core Member: University of Illinois "Sunchief" solar vehicle team.

HONORS:

• John G. Maurer Fellowship awarded for 2000-2001 academic year
• Regents of the University of California Fellowship awarded for spring semester 1998
• John H. Wheeler and Elliott H. Wheeler Fellowship awarded for fall semester 1996
• Inducted into Tau Beta Pi Honor Society in 1995
• Inducted into Phi Kappa Phi Honor Society in 1995

AFFILIATIONS:

• The Materials Research Society, The American Ceramic Society, TMS

ACTIVITIES AND SERVICE:

• Key Reader and Member of the Board of Review for Metallurgical and Materials Transactions A (2004-present)
• Technical Reviewer for various international materials science and mechanics journals

SKILLS:

• Mechanical Testing

 
• Experienced with Instron and MTS servo-hydraulic mechanical testing machines for conducting stress-strain, strength, fracture toughness, cyclic fatigue crack propagation, and stress corrosion crack propagation experiments.

 
• Materials Characterization

 
• Experienced with metallography, optical microscopy, scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), transmission electron microscopy (TEM), atomic force microscopy (AFM), Auger electron spectroscopy (AES).

 
• Computer Systems
• Windows, UNIX, and Macintosh operating systems.
• The C programming language.
• VEE visual programming for data acquisition
• Familiar with Mathematica, Microsoft Office Suite, Adobe Photoshop, Adobe Illustrator, etc.

 
• Others
• BET method for surface area determination of porous materials.
• Photovoltaic solar array design and construction.
• Design and construction of fiber reinforced polymer matrix composite structures by wet lay-up and prepreg autoclave techniques.

JOURNAL PUBLICATIONS:

• J. J. Kruzic, J. A. Scott, R. K. Nalla, R. O. Ritchie,” Fatigue-Crack Growth of Microcracks in Human Cortical Bone,” Journal of Biomechanics, 2004, in review.
• R. K. Nalla, M. Balooch, J. W. Ager, J. J. Kruzic, J. H. Kinney, R. O. Ritchie, “Effects of polar solvents on the fracture resistance of dentin: Role of water hydration,” Acta Biomaterialia, 2004, in review.
• J. H. Schneibel, R. O. Ritchie, J. J. Kruzic, P. R. Tortorelli, “Optimization of Mo-Si-B Intermetallics,” Metallurgical and Materials Transactions A, 2004, in review.
• R. O. Ritchie, J. H. Kinney, J. J. Kruzic, R. K. Nalla, "A fracture mechanics and mechanistic approach to the failure of cortical bone," Fatigue and Fracture of Engineering Materials and Structures, 2004, in review.
• R. K. Nalla, J. J. Kruzic, J. H. Kinney, R. O. Ritchie, “Effect of aging on the toughness of human cortical bone: Evaluation by R-curves,” Bone, 2004, in press.
• R. K. Nalla, J. J. Kruzic, J. H. Kinney, R. O. Ritchie, “Aspects of In Vitro Fatigue in Human Cortical Bone: Time- and Cycle-Dependent Crack Growth,” Biomaterials, 2004, in press.
• J. J. Kruzic, R. K. Nalla, J. H. Kinney, R. O. Ritchie, “Mechanistic Aspects of In Vitro Fatigue-Crack Growth in Dentin,” Biomaterials, 2004, in press.
• R.O. Ritchie, C.L. Muhlstein, J.J. Kruzic, R.K. Nalla, E.A. Stach, “Characteristic dimensions and micro-mechanisms of fracture and fatigue in ‘nano’ and ‘bio’ materials”, International Journal of Fracture, 2004. in press.
• R. K. Nalla, J. J. Kruzic, J. H. Kinney, R. O. Ritchie, “Mechanistic Aspects of Fracture and R-Curve Behavior of Human Cortical Bone,” Biomaterials, 2005, 26 (2), 217-231.
• R. K. Nalla, J. J. Kruzic, R. O. Ritchie, “On the Origin of the Toughness of Mineralized Tissue: Microcracking or Crack Bridging?” Bone, 2004, 34 (5), 790-798.
• J. J. Kruzic, J. H. Schneibel, R. O. Ritchie, “Fracture and Fatigue Resistance of Mo-Si-B Alloys for Ultrahigh-Temperature Structural Applications,” Scripta Materialia, 2004, 50 (4), 459-464.
• J. J. Kruzic, R. M. Cannon, R. O. Ritchie, “Crack-Size Effects on Cyclic and Monotonic Crack Growth in Polycrystalline Alumina: Quantification of the Role of Grain Bridging,” Journal of the American Ceramic Society, 2004, 87 (1), 93-103.
• J. J. Kruzic, J. M. McNaney, R. M. Cannon, and R. O. Ritchie, "Effects of Plastic Constraint on the Cyclic and Static Fatigue Behavior of Metal/Ceramic Layered Structures," Mechanics of Materials, 2004, 36 (1-2), 57-72.
• R Yuan, J. J. Kruzic, X. F. Zhang, L. C. De Jonghe, R. O. Ritchie, “Ambient to High-Temperature Fracture Toughness and Cyclic Fatigue Behavior in Al-Containing Silicon Carbide Ceramics,” Acta Materialia, 2003, 51 (20), 6477-6491.
• J. J. Kruzic, R. K. Nalla, J. H. Kinney, R. O. Ritchie, “Crack Blunting, Crack Bridging and Resistance-Curve Fracture Mechanics in Dentin: Effect of Hydration,” Biomaterials, 2003, 24 (28), 5209-5221.
• J. J. Kruzic and R. O. Ritchie, “Determining the Toughness of Ceramics from Vickers Indentations using the Crack-Opening Displacements: An Experimental Study,” Journal of the American Ceramic Society, 2003, 86 (8), 1433-1436.
• J. J. Kruzic, R. A. Marks, M. Yoshiya, A. M. Glaeser, R. M. Cannon, and R. O. Ritchie, "Fracture and Fatigue Behavior at Ambient and Elevated Temperatures of Alumina Bonded with  Copper/Niobium/Copper Interlayers," Journal of the American Ceramic Society, 2002, 85 (10), 2531-2541.
• J. J. Kruzic, J. P. Campbell, and R. O.  Ritchie, "On the Fatigue Behavior of Gamma-Based Titanium Aluminides: Role of Small Cracks," Acta Materialia, 1999, 47 (3), 801-816.
• J. P. Campbell, J. J. Kruzic, S. Lillibridge, K. T. Venkateswara Rao, and R. O.  Ritchie, "On the Growth of Small Fatigue Cracks in g-based Titanium Aluminides," Scripta Materialia, 1997, 37 (5), 707-712.

CONFERENCE PROCEEDINGS PUBLICATIONS:

• J. H. Schneibel, J. J. Kruzic, R. O. Ritchie, “Mo-Si-B Alloy Development,” in Proceedings of the 18th Annual Conference on Fossil Energy Materials, 2004.
• J. J. Kruzic, R. K. Nalla, J. H. Kinney, R. O. Ritchie, “Fracture Properties of Cortical Bone and Dentin,” in Bioceramics: Materials and Applications, Rich Rusin, ed., Ceramic Transactions, vol. 164, The American Ceramic Society, Westerville, OH, 2004, in press.
• R. K. Nalla, J. J. Kruzic, J. H. Kinney, R. O. Ritchie, “Mechanistic Aspects of Fracture of Human Cortical Bone,” in Biological and Bio-Inspired Materials and Devices, R. Wang, ed., MRS Symposium Proceedings, Materials Research Society, Warrendale, PA, 2004. pp. W8.2.1-6.
• J. J. Kruzic and R. O. Ritchie, “An Experimental Assessment of Using Crack-Opening Displacements to Determine Indentation Toughness from Vickers Indents,” in Indentation Techniques in Ceramic Materials Characterization, Ahmad Solomah, ed., Ceramic Transactions, vol. 156, The American Ceramic Society, Westerville, OH, 2004. pp. 83-91.
• J. H. Schneibel, J. J. Kruzic, R. O. Ritchie, “Mo-Si-B Alloy Development,” in Proceedings of the 17th Annual Conference on Fossil Energy Materials, 2003.
• J. H. Schneibel, P. F. Tortorelli, M. J. Kramer, A. J. Thom, J. J. Kruzic, and R. O. Ritchie, “Optimization of Mo-Si-B Intermetallics,” in Defect Properties and Related Phenomena in Intermetallic Alloys, E. P. George, M. J. Mills, H. Inui, G. Eggeler, eds., MRS Symposium Proceedings, vol. 753, Materials Research Society, Warrendale, PA, 2003. pp. 53-58.
• J. J. Kruzic, R. Yuan, R. M. Cannon, and R. O. Ritchie, “Determining Worst-Case Fatigue Thresholds in Grain-Bridging Ceramics,” in Materials Lifetime and Engineering, P.K. Liaw, R.A. Buchanan, D.L. Klarstrom, R.P. Wei, and D.G. Harlow, eds., TMS, Warrendale, PA, 2003. 61-68.
• J. J. Kruzic, J. M. McNaney, R. M. Cannon, and R. O. Ritchie, "Time Dependent Debonding of Aluminum/Alumina Interfaces Under Cyclic and Static Loading," in Structure-Property Relationships of Oxide Surfaces and Interfaces, C. B. Carter, X. Pan, K. Sickafus, H. L. Tuller, and T. Wood, eds., MRS Symposium Proceedings, vol. 654, Materials Research Society, Warrendale, PA, 2001. pp. AA4.10.1-6.
• J. J. Kruzic, J. P. Campbell, A. L. McKelvey, H. Choe, and R. O. Ritchie, "The Contrasting Role of Microstructure in Influencing Fracture and Fatigue-Crack Growth in g-Based Titanium Aluminides and Large and Small Crack Sizes,"  in Gamma Titanium Aluminides 1999, Y-W. Kim, D. M. Dimiduk, and M. H. Loretto, eds., TMS, Warrendale, PA, 1999. pp. 495-507.
• J. J. Kruzic, J. P. Campbell, and R. O.  Ritchie, "Fatigue-Crack Propagation in Gamma-Based Titanium Aluminide Alloys at Large and Small Crack Sizes," in High-Temperature Ordered Intermetallics VIII, E. P. George, M. J. Mills and M. Yamaguchi, eds., MRS Symposium Proceedings, vol. 552, Materials Research Society, Warrendale, PA, 1999. pp. KK2.3.1-6.

BOOK SECTIONS:

• R. O. Ritchie, J. H. Kinney, J. J. Kruzic, and R. K. Nalla “Micromechanistic Aspects of Cortical Bone Fracture,” Encyclopedia of Biomedical Engineering, J. L. Katz, ed. 2004, in press.

CONFERENCE PRESENTATIONS:

• J. J. Kruzic, R. K. Nalla, J. H. Kinney, R. O. Ritchie, “Fracture Properties of Cortical Bone and Dentin,”106th Annual Meeting of the American Ceramic Society, Indianapolis, IN, April 2004.
• J. J. Kruzic, R. M. Cannon, R. O. Ritchie, “Understanding Reliability in Bridging Ceramics Under Cyclic Loading Conditions,” 106th Annual Meeting of the American Ceramic Society, Indianapolis, IN, April 2004.
• J. J. Kruzic, ”SiC as a parallel to Si3N4,” 2004 MIT NANOAM Meeting, Boston, MA, March 2004.
• J. J. Kruzic, R. M. Cannon, R. O. Ritchie, “Predicting Cyclic Fatigue Thresholds and Reliability in Bridging Ceramics,” 55th Pacific Coast Regional and Basic Science Division Meeting of the American Ceramic Society, Oakland, CA, October 2003.
• J. J. Kruzic, R. M. Cannon, R. O. Ritchie, “Understanding the Effects of Crack Size on Fatigue Thresholds in Bridging Ceramics,” presented at Mechanics and Materials 2003, Scottsdale, AZ, June 2003.
• J. J. Kruzic, R. O. Ritchie, “An Experimental Assessment of Using Crack Opening Displacements to Determine Indentation Toughness from Vickers Indents,” presented at the Annual Meeting of the American Ceramic Society, Nashville, TN, April 2003.
• J. J. Kruzic, R. M. Cannon, M. Yoshiya, A. M. Glaeser, R. M. Cannon, and R. O. Ritchie, "“Ambient and Elevated Temperature Fracture and Fatigue Behavior of Partial Transient-Liquid Phase Bonded Joints,” presented at the Annual Meeting of the American Ceramic Society, Nashville, TN, April 2003.
• J. J. Kruzic, R. Yuan, R. M. Cannon, R. O. Ritchie, “Determining Worst-Case Fatigue Thresholds in Grain-Bridging Ceramics,” presented at the TMS Annual Meeting, San Diego, CA, March 2003
• J. J. Kruzic, R. O. Ritchie, H. Choe, J. H. Schneibel, “Damage Tolerance in Refractory Mo-Mo₃Si-Mo₅SiB₂ Silicides at Temperatures up to 1300ºC,” presented at the TMS Annual Meeting, San Diego, CA, March 2003
• J. J. Kruzic, J. M. McNaney, R. M. Cannon, R. O. Ritchie, "Effects of Plastic Constraint on the Cyclic and Static Fatigue Behavior of Metal/Ceramic Layered Structures," presented at Mechanics and Materials 2001, San Diego, CA, June 2001.
• View Slides
• J. J. Kruzic, J. M. McNaney, R. M. Cannon, R. O. Ritchie, "Cyclic Fatigue and Moisture Assisted Crack Growth at/near Al₂O₃/Al Interfaces," presented at the Annual Meeting of the American Ceramic Society, Indianapolis, IN, April 2001.
• J. J. Kruzic, J. M. McNaney, R. M. Cannon, R. O. Ritchie, "Time Dependent Debonding of Aluminum/Alumina Interfaces Under Cyclic and Static Loading," presented at the Fall Meeting of the Materials Research Society, Boston, MA, November 2000.
• J. J. Kruzic, J. M. McNaney, R. M. Cannon, R. O. Ritchie, "Fracture and Fatigue of Al₂O₃/Metal Interfaces," presented at the Pacific Coast Regional and Basic Science Division Meeting of the American Ceramic Society, San Francisco, CA, September 2000.
• J. J. Kruzic, J. M. McNaney, R. M. Cannon, R. O. Ritchie, "Sub-critical Crack Growth in Al₂O₃/Al/Al₂O₃ Sandwich Specimens During Cyclic and Static Fatigue," presented at the Annual Meeting of the American Ceramic Society, St. Louis, MO, May 2000.
• J. J. Kruzic, J. P. Campbell and R. O.  Ritchie, "Fatigue-Crack Propagation in Gamma-Based Titanium Aluminide Alloys at Large and Small Crack Sizes," presented at the Fall Meeting of the Materials Research Society, Boston, MA, November 1998.

REFERENCES:

• Robert O. Ritchie, Ph.D., Sc.D., Professor, Department of Materials Science and Mineral Engineering, University of California, Berkeley, CA.
• Rowland M. Cannon, Ph.D., Staff Scientist, Materials Sciences Division, Lawrence Berkeley National Lab, Berkeley, CA.