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TECHNICAL PAPERS

A Process Map for Consistent Build Conditions in the Solid Freeform Fabrication of Thin-Walled Structures

[+] Author and Article Information
Aditad Vasinonta, Jack L. Beuth

Department of Mechanical Engineering, Carnegie Mellon University, 5000 Forbes Ave., Pittsburgh, PA 15213

Michelle L. Griffith

Mechanical Process Engineering, Sandia National Laboratories, P.O. Box 5800, MS 0958, Albuquerque, NM 87185

J. Manuf. Sci. Eng 123(4), 615-622 (Aug 01, 2000) (8 pages) doi:10.1115/1.1370497 History: Received December 01, 1999; Revised August 01, 2000
Copyright © 2001 by ASME
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References

Bourell, D. L., Beaman, J. J., Crawford, R. H., Marcus, H. L., and Barlow, J. W., eds., 1999, Solid Freeform Fabrication Proceedings, Proc. 1999 Solid Freeform Fabrication Symposium, Austin, August 1999.
Brown,  S., and Song,  H., 1992, “Finite Element Simulation of Welding of Large Structures,” ASME J. Eng. Ind., 114, pp. 441–451.
Brown,  S., and Song,  H., 1992, “Implications of Three-Dimensional Numerical Simulations of Welding of Large Structures,” Welding Journal, 71, pp. 55s–62s.
Michaleris,  P., and DeBiccari,  A., 1997, “Prediction of Welding Distortion,” Welding Journal, 76(4), pp. 172s–181s.
Ueda,  Y., Murakawa,  H., Gu,  S. M., Okumoto,  Y., and Kamichika,  R., 1992, “Simulation of Welding Deformation for Precision Ship Assembling (Report I): In-Plane Deformation of Butt Welded Plate,” Trans. JWRI, 21, pp. 265–275.
Chakravarti, A., Malik, K. M., and Golak, J., 1985, “Prediction of Distortion and Residual Stresses in Panel Welds,” Symposium on Computer Modeling of Fabrication Processes and Constitutive Behavior of Metals, Ottawa, Ontario, pp. 547–561.
Chin, R. K., Beuth, J. L., and Amon, C. H., 1995, “Control of Residual Thermal Stresses in Shape Deposition Manufacturing,” Solid Freeform Fabrication Proceedings (H. L. Marcus, J. J. Beaman, D. L. Bourell, J. W. Barlow, and R. H. Crawford, eds.), Proc. 1995 Solid Freeform Fabrication Symposium, Austin, August 1995, pp. 221–228.
Chin,  R. K., Beuth,  J. L., and Amon,  C. H., 1996, “Thermomechanical Modeling of Molten Metal Droplet Solidification Applied to Layered Manufacturing,” Mech. Mater., 24, pp. 257–271.
Chin, R. K., Beuth, J. L., and Amon, C. H., 1996, “Thermomechanical Modeling of Successive Material Deposition in Layered Manufacturing,” Solid Freeform Fabrication Proceedings (D. L. Bourell, J. J. Beaman, H. L. Marcus, R. H. Crawford, and J. W. Barlow, eds.), Proc. 1996 Solid Freeform Fabrication Symposium, Austin, August 1996, pp. 507–514.
Chin, R. K., Beuth, J. L., and Amon, C. H., 1999, “Successive Deposition of Metals in Solid Freeform Fabrication Processes, Part II: Thermomechanical Models of Layers and Droplet Columns,” ASME J. Manuf. Sci. Eng., submitted.
Chin, R. K., Beuth, J. L., and Amon, C. H., 1996, “Successive Deposition of Metals in Solid Freeform Fabrication Processes, Part II: Thermomechanical Models of Adjacent Droplets,” ASME J. Manuf. Sci. Eng., submitted.
Klingbeil, N. W., Zinn, J. W., and Beuth, J. L., 1997, “Measurement of Residual Stresses in Parts Created by Shape Deposition Manufacturing,” Solid Freeform Fabrication Proceedings (D. L. Bourell, J. J. Beaman, R. H. Crawford, H. L. Marcus, and J. W. Barlow, eds.), Proc. 1997 Solid Freeform Fabrication Symposium, Austin, August 1997, pp. 125–132.
Klingbeil, N. W., Beuth, J. L., Chin, R. K., and Amon, C. H., 1998, “Measurement and Modeling of Residual Stress-Induced Warping in Direct Metal Deposition Processes,” Solid Freeform Fabrication Proceedings (D. L. Bourell, J. J. Beaman, R. H. Crawford, H. L. Marcus, and J. W. Barlow, eds.), Proc. 1998 Solid Freeform Fabrication Symposium, Austin, August 1998, pp. 367–374.
Fessler, J. R., Merz, R., Nickel, A. H., and Prinz, F. B., 1996, “Laser Deposition of Metals for Shape Deposition Manufacturing,” Solid Freeform Fabrication Proceedings (D. L. Bourell, J. J. Beaman, H. L. Marcus, R. H. Crawford, and J. W. Barlow, eds.), Proc. 1996 Solid Freeform Fabrication Symposium, Austin, August 1996, pp. 117–124.
Nickel, A. H., Barnett, D. M., and Prinz, F. B., 1999, “Deposition Pattern Effects in Layered Manufacturing,” Mater. Sci. Eng., A, submitted.
Amon,  C.H., Schmaltz,  K.S., Merz,  R., and Prinz,  F.B., 1996, “Numerical and Experimental Investigation of Interface Bonding via substrate Remelting of an Impinging Molten Metal Droplet,” Journal of Heat Transfer, 118, pp. 164-172.
Zarzalejo,  L. J., Schmaltz,  K. S., and Amon,  C. H., 1999, “Molten Droplet Solidification and Substrate Remelting in Microcasting, Part I: Numerical Modeling and Experimental Verification,” J. Heat and Mass Transfer, 34, pp. 477–486.
Schmaltz,  K. S., Zarzalejo,  L. J., and Amon,  C. H., 1999, “Molten Droplet Solidification and Substrate Remelting in Microcasting Part II: Parametric Study and Effect of Dissimilar Materials,” J. Heat and Mass Transfer, 35, pp. 17–23.
Orme,  M. E., Huang,  C., and Courter,  J., 1996, “Precision Droplet-Based Manufacturing and Material Synthesis: Fluid Dynamics and Thermal Control Issues,” Atomization Sprays, 6, pp. 305–329.
Orme,  M. E., and Huang,  C., 1997, “Phase Change Manipulation for Droplet-Based Solid Freeform Fabrication,” ASME J. Heat Transfer, 119, pp. 818–823.
Amon,  C.H., Beuth,  J.L., Merz,  R., Prinz,  F.B., and Weiss,  L.E., 1998, “Shape Depostion Manufacturing with Microcasting: Processing, Thermal and Mechanical Issues”, Journal of Manufacturing Science and Engineering, 120, No. 2, 1998, pp. 656-665.
Yardimci, M. A., Guceri, S. I., Agarwala, M., and Danforth, S. C., 1996, “Part Quality Prediction Tools for Fused Deposition Processing,” Solid Freeform Fabrication Proceedings (D. L. Bourell, J. J. Beaman, H. L. Marcus, R. H. Crawford, and J. W. Barlow, eds.), Proc. 1996 Solid Freeform Fabrication Symposium, Austin, August, pp. 539–548.
Yardimci, M. A., Hattori, T., Guceri, S. I., and Danforth, S. C., 1997, “Thermal Analysis of Fused Deposition,” Solid Freeform Fabrication Proceedings (D. L. Bourell, J. J. Beaman, R. H. Crawford, H. L. Marcus, and J. W. Barlow, eds.), Proc. 1997 Solid Freeform Fabrication Symposium, Austin, August, pp. 689–698.
Griffith, M. L., Keicher, D. M., Atwood, C. L., Romero, J. A., Smugeresky, J. E., Harwell, L. D., and Greene, D. L., 1996, “Freeform Fabrication of Metallic Components Using Laser Engineered Net Shaping (LENS),” Solid Freeform Fabrication Proceedings (D. L. Bourell, J. J. Beaman, H. L. Marcus, R. H. Crawford, and J. W. Barlow, eds.), The University of Texas at Austin, August 1996, pp. 125–132.
Griffith,  M. L., Schlienger,  M. E., Harwell,  L. D., Oliver,  M. S., Baldwin,  M. D., Ensz,  M. T., Smugeresky,  J. E., Essien,  M., Brooks,  J., Robino,  C. V., Hofmeister,  W. H., Wert,  M. J., and Nelson,  D. V., 1999, “Understanding Thermal Behavior in the LENS Process,” Mater. Des., 20, No. 2/3, pp. 107–114.
Rosenthal,  D., 1946, “The Theory of Moving Sources of Heat and Its Application to Metal Treatments,” Trans. ASME, 68, pp. 849–866.
Dobranich, D., and Dykhuizen, R. C., 1998, “Scoping Thermal Calculation of the LENS Process,” Sandia National Laboratories Internal Report.
Dykhuizen, R. C., and Dobranich, D., 1998, “Cooling Rates in the LENS Process,” Sandia National Laboratories Internal Report.
Dykhuizen, R. C., and Dobranich, D., 1998, “Analytical Thermal Models for the LENS Process,” Sandia National Laboratories Internal Report.
Hofmeister, W. M., and Wert, M. J., 1999, Private Communication, Vanderbilt University, Nashville, TN.

Figures

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Thin-walled geometry considered in this study
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2-D thermal model and boundary conditions
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Geometry for the analytical model of Rosenthal 26
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Process map assuming temperature-independent properties
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Comparison of normalized results from temperature-dependent simulations for three laser velocities with the Rosenthal solution
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Comparison of results from numerical simulations with a preheated substrate and V=7.62 mm/sec with the Rosenthal solution
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Temperature-dependent results of l̄ vs. h̄ for various values of T̄m for deposition of SS304
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Predicted and measured melt pool lengths as a function of laser power and velocity for no base plate preheating

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