| Journal
Articles and Publications:
1. P. Colombo, J.R.
Hellmann, and D.L. Shelleman, "Mechanical
Properties of Silicon Oxycarbide Ceramic Foams," J. Am.
Ceram. Soc., 84(102245-51(2001)
2. M. J. Pan, P.A. Hoffman, D.J. Green, and J.R. Hellmann, "Elastic
Properties and Microcracking Behavior of Particulate Titanium
Diboride-Silicon Carbide Composites," J.
Am. Ceram. Soc., 80(3)692-98(1997)
3. M.H. Krohn, J.R. Hellmann, D.L. Shelleman, C.G. Pantano, and G.S. Sakoske, "Biaxial
Flexure Strength and Dynamic Fatigue of Soda-Lime-Silica Float Glass," J.
Am. Ceram. Soc., in press
4. J.A. Howell, J.R. Hellmann, and C.L. Muhlstein, "Nanomechanical Properties of Commercial Float Glasses," accepted for publication in J. Non-Crystalline Solids, October 7, 2007
5. J.A. Howell, J.R. Hellmann, and C.L. Muhlstein, "Correlations Between Free Volume and Pile-Up Behavior in Nanoindentation Reference Glass," accepted for publication in Materials Letter, November 15, 2007
6. M. Fox and John R. Hellmann, “Microstructure and Creep Behavior of SiAlON Materials,” INVITED REVIEW PAPER in the topical issue on silicon nitride ceramics in the Journal of Applied Ceramic Technology, accepted for publication September 10, 2007
7.Walter G. Luscher, John R. Hellmann, David L. Shelleman, and Albert E. Segall, “A Critical Review of the Diametral Compression Method for Determining the Tensile Strength of Spherical Aggregates,“ J. Testing and Evaluation, 35(6)2007
8.Kevin M. Fox, John R. Hellmann, Mark S. Angelone, and Russell L. Yeckley, “Refinement of the a-Phase Area in the Yb-SiAlON System,” J. Am. Ceram. Soc., 90(5)1607-1610(2007)
Chapters in Books:
1.John R. Hellmann, Innovation and Invention Overview, in Global Roadmap for Ceramics and Glass Technology, Proceedings of the 1st International Congress on Ceramics, Wiley-Interscience, John Wiley & Sons, Hoboken, New Jersey , 2007, pp. 85-88.
2.John R. Hellmann, Consumer Products Overview , in Global Roadmap for Ceramics and Glass Technology, Proceedings of the 1st International Congress on Ceramics, Wiley-Interscience, John Wiley & Sons, Hoboken, New Jersey , 2007, pp. 263-265. |