Academic Experience:

       1998 - present 
                          Associate Professor, Materials Science & Engineering Department, Iowa
                          State University. 

       1992 - 1998
                          Assistant Professor, Materials Science & Engineering Department, Iowa
                          State Unversity. 

       1988 - 1992 
                          Teaching Assistant, University of Washington. T. A. for sequence of two,
                          junior-level courses in Ceramic Engineering. Also served as grader for
                          graduate course in the mechanical behavior of composites. 

       1981 - 1983 
                          Teaching Assistant, U.C.L.A. T.A. in introductory materials science class
                          and an undergraduate class in diffusion in solids. 
 
 

       Industrial Experience:

       1992 - present 
                         Associate, Metallurgy & Ceramics Division of the Ames Laboratory, Ames,
                         IA 

       1986 - 1992 
                         Senior Research Engineer, Battelle-Northwest Laboratories, Richland, WA.
                         Research activities were in three areas: 1) development of a radiographic
                         method to analyze effects of suspension chemistry variables on ceramic
                         powder compaction, 2) development of processing methods to strengthen
                         SiC-fiber-reinforced silicon nitride, and 3) testing of TiB2-based cathodes
                         for degradation mechanisms during the electrolytic production of aluminum.
                         Primary responsibilities included proposal and report preparation, project
                         planning, and management of laboratory research. Dr. Schilling was
                         employed half time from 8/88 to 3/92 while earning his Ph.D. 

       1984 - 1986 
                         Research Engineer, N.A.S.A. Jet Propulsion Laboratory, Pasadena, CA.
                         Responsibilities included 1) design and operation of a drop tube facility for
                         solidification processing of glass, metal, and polymeric microballoons, 2)
                         development of experimental methods to evaluate microballoon flaws (e.g.,
                         SEM/EDS, x-ray radiography), and 3) mechanical design of an acoustic
                         levitation system to study containerless solidification. 

       1974 - 1976 
                         Machinist, X.R.E. Corporation, Littleton, MA.
                         Performed lathe and milling operations while apprenticing in a shop making
                         prototype medical x-ray equipment. Dr. Schilling took pre-engineering
                         courses while enrolled in a co-op program at Northeastern University. 
 
 

       Research Description:

       Surface chemical and rheological aspects of ceramic shape-forming (slipcasting, gelcasting,
       injection molding, filtration, and tape casting). 

       The use of nondestructive evaluation to analyze formation of green body defects (porosity
       gradients, composition gradients) during shape-forming of ceramics. 

       Fundamental aspects of the mechanics of particulate media. 

       Processing of ceramic hard coatings. 

       Mechanical behavior of materials. 
 

       Teaching:

       Undergraduate:

       MSE 402L Mechanical Metallurgy Lab, F92 

       MSE 307L Pyrometry and Thermal Processing of Ceramics Lab, S93, S95, S96

       MSE 405 Mechanical Behavior of Materials, S94, S95, S96, S97, S98, S99 

       MSE 405L Mechanical Behavior of Materials Lab, S94, S95, S96, S98, S99 

       MSE 420 Design for Thermal Processing, F94, co-taught with D. Martin 

       MSE 406 Mechanical Metallurgy, F98 

       MSE 406L Mechanical Metallurgy Lab, F97, F98 

       Graduate:

       MSE 576 Ceramic Processing, F93 

       MSE 603X Mathematical Methods in Materials Research, F95 

       MSE 563 Powder Processing of Materials, F96, F97 
 

       Future Thesis Topics:

       X-ray nondestructive evaluation of tape cast ceramics and ceramic composites. 

       X-ray absorption and fluid mechanics analysis to measure the drained compressibility of colloidal
       ceramic suspensions. This is a rapid, quality control technique to screen the effects of ceramic
       processing variables on their tendency to form density gradients during slip casting, pressure
       filtration, and centrifugal casting. These gradients are a common source of cracks which degrade
       the strength of ceramics. 

       High resolution x-ray tomography to image 3-D density gradients in ceramic green bodies. We
       use this technique to evaluate microstructure evolution of green bodies during slurry
       consolidation. Using economical, "off the shelf" equipment, we can achieve high resolution, high
       contrast imaging without the need of costly, traditional methods (e.g., synchrotron radiation).
       Studies focus in two areas: (1) the development of new x-ray imaging methodologies, and (2)
       developing a stronger, fundamental understanding of the role of colloidal chemistry variables on
       microstructure evolution during consolidation. 

       Development of advanced methods of shape-forming technical ceramics by gelcasting with
       polysaccharides. Polysaccharides are sugar molecules that eliminate the need for toxic organic
       chemicals in traditional molding operations such as tape casting and injection molding. Studies
       focus on surface chemical aspects of the crosslinking and flow behavior of colloidal ceramic
       suspensions containing polysaccharides. 
 

       Honors/Awards:

       Awarded Outstanding Young Engineering Researcher by the College of Engineering at Iowa State
       University, May 1998.

       First place was awarded to N. T. Saenz, C. H. Schilling, and J. W. Wald at the metallography
       contest held by the International Metallographic Society and the American Society for Metals,
       July 23-27, 1989, Charlotte, N.C. The title of the poster was "Analysis of SiC fiber reinforced
       SiC matrix composites using transmission optical microscopy." 

       Third place was awarded to N. T. Saenz, W. J. Weber, and C. H. Schilling at the ceramography
       contest held at the 1988 annual meeting of the American Ceramic Society. The poster was
       entitled, "Transmission Optical Microscopy of SiC Fiber-Reinforced Si3N4." 

       Second place was awarded to N. T. Saenz, R. H. Jones, C. H. Schilling and J. L. Bates at the
       ceramography contest held by the American Ceramic Society, April 1989, Indianapolis, IN. The
       title of the poster was "Transmission Optical Microscopy of SiC Reinforced SiC Composites."
       This poster appeared on the cover of the September 1989 issue of the Journal of the American
       Ceramic Society. 

       Second place was awarded to N. T. Saenz, C. H. Schilling, D. H. Parks, and G. L. Graff at the
       metallography contest held by the International Metallographic Society and the American Society
       for Metals, July 23-27, 1989, Charlotte, N.C. The title of the poster was "Aluminum Penetration
       in TiB2 graphite Composites." 

       Gamma-ray densitometry, a nondestructive analysis technique developed by Dr. Schilling at
       Battelle was featured in a review article on emerging methods for characterizing ceramics: L. M.
       Sheppard, "Microanalysis: Solving Microstructural Mysteries," Am. Cer. Soc. Bull., Vol. 68, No.
       6, pp. 1187-1195, 1989. 

       Tau Beta Pi, National Engineering Honor Society, Student Member. 

       Pi Tau Sigma, National Mechanical Engineering Honor Society, President of Cal Poly Pomona
       Student Chapter, 1981. 

       Sigma Xi, The Scientific Research Society, Member. 
 

       Recent Publications:

       Sikora, M., Schilling, C. H., Garcia, V., Li, C. P., and Tomasik, P., "Effects of polysaccharide
       concentration and molecular weight on the rheology of alumina suspensions," submitted to J. Am.
       Ceram. Soc. 9/98. 

       Tomasik, P., Schilling, C. H., Anderegg, J., and Refvik, M., "Lanthanum starchate," submitted
       to Carbohydrate Polymers, 6/88. 

       Schilling, C. H., Garcia, V., Smith, R. M., and Roberts, R. A., "Ultrasonic and mechanical
       behavior of green- and partially-sintered alumina: effects of slurry consolidation chemistry," J.
       Am. Ceram. Soc. , Vol. 81, No. 10, pp. 2629-39 (1998). 

       Garcia, V. J. and Schilling, C. H., "Ultrasonic velocity and reduction of surface area during solid
       state sintering," accepted in Materials Science and Engineering, A, 11/98. 

       Schilling, C. H., Bellman, R., Smith, R. M., Goel, H., and Giesche, H., "Plasticizing aqueous
       suspensions of concentrated alumina with maltodextrin sugar," accepted 8/98 in J. Am. Ceram.
       Soc. 

       Tomasik, P. and Schilling, C. H., "Chemical modification of starch," submitted to Advances in
       Carbohydrate Chemistry and Biochemistry, 11/98. 

       Tomasik, P. and Schilling, C. H., "Starch complexes, Part 1: complexes with inorganic guests,"
       Advances in Carbohydrate Chemistry and Biochemistry, Volume 53, pp. 263-343 (1998). 

       Tomasik, P. and Schilling, C. H., "Starch Complexes, Part 2: complexes with organic guests,"
       Advances in Carbohydrate Chemistry and Biochemistry, Volume 53, pp. 345-426 (1998). 

       Garcia, V. J., Schilling, C. H., Huss, S. P., Gray, J. N., Sikora, M., Tomasik, P., the Li, C. P.,
       "X-ray NDE of density gradients during alumina powder consolidation: effects of suspension
       chemistry," in Proceedings of the American Ceramic Society Symposium on Advances in
       Process Measurements for the Ceramic Industry, Cincinatti, OH, May 3 - 6, 1998, in press. 

       Schilling, C. H., Tomasik, P., Sikora, M., Kim, J. C., Garcia, V. J., and Li, C. P., "Molding
       technical ceramics with polysaccharides," in Proceedings of the Eighth International Starch
       Conference, Krakow, Poland, June 16 - 19, 1998, in press. 

       Schilling, C. H., Gray, J. N., and Huss, S. P., "Needs and opportunities for NDE in ceramic
       processing," in Ceramic Transactions, Volume 67: Nondestructive Evaluation of Ceramics, edited
       by Schilling, C. H. and Gray, J. N. (American Ceramic Society, Westerville, Ohio, 1998), pp.
       1-19. 

       Schilling, C. H., Gray, J. N., Huss, S. P., and Maranville, C. W., "Recent advances in x-ray
       characterization of composites and tape cast ceramics," in Ceramic Transactions, Volume 67:
       Nondestructive Evaluation of Ceramics, edited by Schilling, C. H. and Gray, J. N. (American
       Ceramic Society, Westerville, Ohio, 1998), pp. 45-58. 

       Huss, S. P., Gray, J. N., and Schilling, C. H., "Fine scale resolution of ceramic microstructures
       by x-ray computed tomography: an economical approach," in Ceramic Transactions, Volume 67:
       Nondestructive Evaluation of Ceramics, edited by Schilling, C. H. and Gray, J. N. (American
       Ceramic Society, Westerville, Ohio, 1998), pp. 59-66. 

       Garcia, V. and Schilling, C. H., "Models relating ultrasonic velocity to the microstructures of
       green and sintered ceramics: a review," in Ceramic Transactions, Volume 67: Nondestructive
       Evaluation of Ceramics, C. H. Schilling and J. N. Gray, editors, American Ceramic Society,
       Westerville, Ohio, 1998, 67-84. 

       Garcia, V. J., Martinez, L., Briceno-Valero, J. M., and Schilling, C. H., "Dimensional metrology
       of nanometric spherical particles using AFM," Probe Mircoscopy, Vol. 1, pp. 107-116 (1997). 

       Garcia, V. J., Martinez, L., Briceno-Valero, J. M., and Schilling, C. H., "Dimensional metrology
       of nanometric spherical particles using AFM, II, application of model - tapping mode" Probe
       Mircoscopy, Vol. 10, pp. 117-125 (1998). 
 

       Patents:

       An invention disclosure was filed with the Center for Advanced Technology Development at
       Iowa State University concerning the use of a nondestructive technique to measure density
       gradients in ceramics, 1998. Two invention disclosures were also filed with the Center for
       Advanced Technology Development at Iowa State University concerning the use of starch
       additives for aqueous colloidal processing of particulate metals and ceramics, 1993. 

Table of Contents:

             Needs and Opportunities for NDE in Ceramic Processing. pp.
             1-22. by C. H. Schilling and J.N. Gray.

             Ultrasonic Wave Interactions with Colloidal Mixtures. pp.
             23-32. by R. Challis and J. Tebbutt.

             Ultrasonic Array Sensing for In-Situ NDE in Extrusion
             Process. pp. 33-44. by T. Watanabe, T. Aizawe. and J. Kihara.

             Recent Advances in X-ray Characterization of Composites and
             Tape Cast Ceramics. pp.45-58. by S.P. Huss, C. H. Schilling, J.N.
             Gray and C.W. Maranville.

             Fine-Scale Resolution of Microscopic Feature by X-ray
             Computed Tomography: An Economical Approach. pp.59-66.
             by S.P. Huss, J.N. Gray and C. H. Schilling.

             Models Relating Ultrasonic Velocity to the Microstructures of
             Green and Sintered Ceramics: A Review
             pp.67-84. by V.J. Garcia and C. H. Schilling.

             In situ Measurement of Ultrasonic Sound Wave Velocity
             During Sintering of Ceramic Powders. pp. 85-96. by L.P.
             Martin, D. Dandon, and M. Rosen.

             Relationship Between Specific Surface Area and Ultrasonic
             Sound Wave Velocity in Sintered Ceramic Powders. pp. 97-108.
             by L.P. Martin, D. Nagle, and M. Rosen.

             Ultrasonic NDE of Fine Ceramics with Reference Test Pieces.
             pp. 109-120. by Yasushi Ikeda, Yastoshi Mizuta, Katsuhiro Onda,
             Hitoshi Domon, and Takashi Udagawa.

             Nondestructive Evaluation of Woven Fabric Reinforced
             Ceramic Composites. pp.121-136. by P.K. Liaw, J. Kim, N.
             Miriyala, D.K. Hsu, N. Yu, D.J. McGuire, and W.A Simpson, Jr.

             Ultrasonic Characterization of Microware-Joined Silicon
             Carbide/Silicon Carbide. pp. 137-144. by Michael B. House and
             Paul S. Day.

             Nondestructive Evaluation of Brittle-Matrix Composites
             During Loading by Electrical Resistance Measurment.
             pp.145-158. by Shoukai Wang, Xuli Fu, and D.D.L. Chung.

             Quantitative Nondestructive Evaluation of Surface Roughness
             Using Ultrasonic Reflectivity and Surface Wave Velocity.
             pp.159-170. by Tatsuhiko Aizawa and Ikuo Ihara.

             Microscopic Characterization of Machined High-Performance
             Ceramics Using Acoustical, Optical, and Mechanical NDT.
             pp.171-182. by V. Scherer, S.U. Fassbender, G. Weides, and W.
             Arnold.

             Acoustic Spectro-Microscopy for Quantitative Nondestructive
             Evaluation of Ceramic Coated Materials. pp.183-194. by
             Tatsuhiko Aizawa.

             Surface and Subsurface Flaw Detection in Silicon Nitride Using
             Acoustic Microscopy. pp.195-204. by Pramod Khandelwal.

             Grain Boundary Characterization and Evaluation by Acoustic
             Spectro Microscopy. pp.205-216. by Y. Xu and Tatsuhiko
             Aizawa.

             Process Control of CVD Fiber Coatings. pp.217-228. by J.G.
             Jones, P.D. Jero, and D.J. Kent.

             Piezospectroscopic Characterization of Thermal Barrier
             Coatings. pp.229-240. by M.J. Lance, J. Allen Haynes, W. Roger
             Cannon, and Mattison K. Ferber

             Ultrasonic Velocity Measurement of Molten Liquids.
             pp.241-252. by R. Daniel Costley, W.M. Ingham, and Jason A.
             Simpson.

             Thickness-Independent Ultrasonic Imaging Applied to Ceramic
             Materials. pp.253-264. by Don J. Roth and Dorothy V. Carney.

             Non-Contact Ultrasonic Characterization of Ceramics and
             Composites. pp.265-282. by Mahesh C. Bhardwaj.

             X-ray NDE of Fine Ceramics With Image Subtraction Method.
             pp.283-290. by Yasushi Ikeda, Yastoshi Mizuta, and Katsuhiro
             Onda.

             Sonic Detection of Manufacturing Flaws in Cermic
             Components. pp.291-302. by David A. Pape.

             Acoustic Emission Study of Microcracking in Whiteware.
             pp.303-314. by Darren Stohe, Vernon Burdick, and James Varner.

             Effect of the Degree of Domain Reversal on Acoustic Emission
             in 1 mol% MnO2-Doped (Pb.85 La.15)TiO3 Ferroelectric
             Ceramics. pp.315-326. by D.G. Choi and L.D. Pye.

             Light Scattering of Particles in Glasses. pp.327-336. by M.H.
             Goller and L.D. Pye

             Elastic Modulus Calculations From Load/Displacement Curves
             Using Spherical and Pointed Indentars. pp.337-344. by L.
             Riester, M.K. Ferber, and K. Breder

        Summary of Chris Schilling's Articles

        Energy dispersive radiography for the simultaneous mapping of
        porosity, composition, and thickness of tape-cast ceramics and ceramic
        composites. 

        X-ray absorption and fluid mechanics analysis to measure the drained
        compressibility of colloidal ceramic suspensions. This is a rapid, quality
        control technique to screen the effects of suspension processing
        variables on their tendency to form density gradients during slip
        casting, pressure filtration, and centrifugal casting. 

        High resolution x-ray tomography to image 3-D density gradients in
        ceramic green bodies. We use this technique to evaluate microstructure
        evolution of green bodies during slurry consolidation. Using
        economical, "off the shelf" equipment, we can achieve high resolution,
        high contrast imaging without the need of costly, traditional methods
        (e.g., synchrotron radiation). 

        Works Cited:

             Editor: Schilling, Christopher H. and Joseph N. Gray.
             Nondestructive Evaluation of Ceramics(Ceramics Transactions
             V. 89) Westerville, Ohio: The American Ceramic Society. ISBN:
             1-57498-037-8. 1998.