| Journal
Articles and Publications:
1. M. Fox and John R. Hellmann, “Microstructure and Creep Behavior of SiAlON Materials,” INVITED REVIEW PAPER in Int’l. J. of Appl. Ceram. Tech., 5(2)138-154(2008).
2. 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.
3. Walter G. Luscher, John R. Hellmann, Barry E. Scheetz, and Brett A. Wilson, “Strength Enhancement of Aluminosilicate Aggregate Through Modified Thermal Treatment,” Int’l. J. Appl. Ceram. Technol., 3(2)157-163(2006)
4. K.M. Fox, J.R. Hellmann, E.C. Dickey, D.J. Green, D.L. Shelleman, and R.L. Yeckley, “Impression and Compression Creep of SiAlON Ceramics,” J.Am. Ceram. Soc., 89(8)2555-2563(2006).
5. Matthew H. Krohn, John R. Hellmann, Bernard Mahieu, and Carlo G. Pantano, “Effect of Tin-Oxide on the Physical Properties of Soda-Lime-Silica Glass,” J. Non-Crystalline Sol., 351(2005)455-465.
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. |
