Patents

Two U.S. patents have been issued regarding the processes used in the ASAME strain measurement system.

U.S. Patent #4,969,106

U.S. Patent #5,642,293

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Publications

Papers on the development and use of the patented surface strain measurement system, ASAME, have been published in various conference proceedings and journals, as listed below.

F. Ozturk and D. Lee, "Experimental and Numerical Analysis of Out-of-Plan Fomability Test", Journal of Materials Processing Technology, July 2005.

D. J. Lewison and D. Lee, "Determination of Forming Limits by Digital Image Processing Methods", Proceedings of International Body Engineering Conference and Exposition (IBEC), Paper 01-3168, September 28-30, 1999, Detroit, Michigan.

D. J. Lewison and D. Lee, "An Evaluation of Different Experimental Methods to Determine Forming Limits", Proceedings of the Fourth International Conference and Workshop on Numerical Simulation of 3D Sheet Forming Processes, September 13-17, 1999 at Besancon, France.

Tata, M. M., Oh, J. S., and Lee, D., "The Nature of Localized Deformation in 6111-T6 Aluminum Alloy and Polycarbonate", Integral Fastening Program Report Number IFP-97-08, Rensselaer Polytechnic Institute, Troy, NY; Journal of Materials Science, Vol. 33, pp. 2781-2794, 1998.

P. E. Smith and D. Lee, "Determination of Forming Limits for Aluminum Alloys", Proceedings of International Body Engineering Conference & Exposition (IBEC), September 29-October 1, 1998, Detroit, MI, Society of Automotive Engineers (SAE), Automotive Body Materials, SAE Publication-331, Vol. 2, pp. 121-128, 1998.

Manthey, D.W., E.M. Hitchcock, D.A. Prinn, and D. Lee, "Innovations in Video Acquisition and Processing Methods for Visual Databases", Proceedings of the 19th Annual Interservice/Industry Training Systems and Education Conference, December 1997, pp. 543-553.

Prinn, D., Manthey, D. W., Hitchcock, E. M., and Lee, D., "Improved Methods to Reproduce 3-D Surfaces of Objects", Proceedings of the International BodyEngineering Conference (IBEC): Body Assembly and Manufacturing, September 30-October 2, 1997, Vol. 30, pp. 73-80.

Prinn, Douglas A., David W. Manthey, Edward M. Hitchcock, and Daeyong Lee, "SurfaceGen: A PC-Based 3-D Surface Reconstruction System," Proceedings Numérisation 3D - Human Modeling Conference, May 28-29, 1997.

Kim, H.J., and D. Lee, "Further Development of Experimental Methods to Verify Computer Simulations", Proceedings, NUMISHEET '96, Dearborn, MI, September 29 - October 3, 1996, Edited by J.K. Lee, G.L. Kinzel and R.H. Wagoner, Columbus, OH, pp. 316-323.

Manthey, David W., Rebecca M. Pearce, and Daeyong Lee, "The Need for Surface Strain Measurement," MetalForming, Vol. 30, No. 5 (May 1996), pp. 48-54.

Manthey, D. W., and D. Lee, "Recent Developments in a Vision-Based Surface Strain Measurement System," The Journal of The Minerals, Metals, & Materials Society (JOM); Vol. 47, No. 7 (July 1995), pp. 46-49.

Manthey, D. W., R. M. Bassette, and D. Lee, "Application of the Latest Technology in Surface Strain Analysis for Metal Stamping Problem Solving," Total Process Improvement: PMA Technical Symposium Proceedings 1994, Vol. 4, pp. 397-409.

Manthey, D. W., and J. P. Farhat, "Comparison Between Steel and Aluminum Strain Rate Effects," Proceedings of The PRESSTECH International Conference & Exposition, October 18-21, 1993, pp. 323-334.
-- also published as --
Manthey, David, and Joseph Farhat, "Comparing Steel and Aluminum Strain Rate Effects," The Fabricator, April, 1994, pp. 36-38.

Manthey, D. W., R. M. Bassette, and D. Lee, "Comparison of Different Surface Strain Measurement Techniques Used for Stamped Sheet Metal Parts," Proceedings of International Body Engineering Conference (IBEC) : Body Assembly & Manufacturing, September 21-23, 1993, pp. 106-111.

Kapij, M. I., D. W. Manthey, and D. Lee, "The Development of Knowledge Based Systems to Solve Metal Stamping Problems," Best Manufacturing Solutions: Proceedings of the PMA Technical Symposium 1993, Vol. 3, pp. 67-76.

M. I. Kapij and D. Lee, "Evaluation of Surface Strain Measurement Methods for Thermoformed Plastic and Stamped Metal Parts," Society of Plastics Engineers Annual National Technical Conference '92 Proceedings, 1992, pp. 1578-1581.

M. I. Kapij, J. Moleski, T. Ohwue, J. H. Vogel, and D. Lee, "Comparison of Different Surface Strain Measurement Methods Used for Deformed Sheet Metal Parts," Society of Automotive Engineers (SAE) Automotive Stamping Applications and Analysis SP-897, 1992, pp. 73-85.

J. H. Vogel and D. Lee, "The Automated Measurement of Strains from Three-Dimensional Deformed Surfaces," Journal of Metals (JOM), Vol. 42, 1990, pp. 8-13.

J. H. Vogel and D. Lee, "An Automated Two-View Method For Determining Strain Distributions on Deformed Surfaces," Journal of Material Shaping Technology, Vol. 6, 1989.