Publications

• J.N. DuPont and A.R. Marder, Thermal Efficiency of Arc Welding Processes, Welding Journal , December, Vol. 74, 1995, pp.406s-416s, American Welding Society Harold Jennings Award for the Best University Research Paper published in the Welding Journal in 1995

• J.R. Kosek, J.N. DuPont, and A.R. Marder, Effect of Porosity on the Resistance of Epoxy Coatings to Cold-Wall Blistering, Corrosion, November, 1995, pp 861-871.

• B.F. Levin, J.N. DuPont, and A.R. Marder, Weld Overlay Coatings for Erosion Control, Wear of Materials, 1995, pp. 810-820.

• J.N. DuPont and A.R. Marder, Dilution in Single Pass Arc Welds, Metallurgical and Material Transactions B, Vol. 27B, 1996, pp. 481-489.

• J.N. DuPont, Solidification of an Alloy 625 Weld Overlay, Metallurgical and Material Transactions A, Vol. 27A, 1996, pp. 3612-3620.

•  J.N. DuPont, Microsegregation and Solidification Cracking of an HR160 Weld Overlay, Journal of Materials Science, Vol. 32, 1997, pp. 4101-4107.

• B.F. Levin, J.N. DuPont, and A.R. Marder, Solid Particle Erosion Resistance of Ductile Wrought Superalloys and Their Weld Overlay Coatings, Journal of Materials Science, Vol. 33, 1998, pp. 2153-2163.

•  J.N. DuPont, C.V. Robino, A.R. Marder, M.R. Notis, and J. R. Michael, Solidification of Nb-Bearing Superalloys: Part I. Reaction Sequences, Metallurgical and Material Transactions A, Vol. 29A, 1998, pp. 2785-2796.

•  J.N. DuPont, C.V. Robino, and A.R. Marder, Solidification of Nb-Bearing Superalloys: Part II. Pseudo Ternary Solidification Surfaces, Metallurgical and Material Transactions A, Vol. 29A, 1998, pp. 2797-2806.

•  J.N. DuPont, C.V. Robino, and A.R. Marder, Modeling Solute Redistribution and Microstructural Development in Fusion Welds of Nb-Bearing Superalloys, Acta Materialia, Vol. 46 (13), 1998, pp. 4781-4790.

•  J.N. DuPont, C.V. Robino, and A.R. Marder, Solidification and Weldability of Nb-Bearing Superalloys, Welding Journal, Vol. 77, 1998, pp. 417s-431s, American Welding Society William Sparagen Award for Overall Best Research Paper published in the Welding Journal in 1998 .

•  J.N. DuPont, A Combined Solubility Product/New PHACOMP Approach for Estimating Temperatures of Secondary Solidification Reactions in Superalloy Weld Metals, Metallurgical and Material Transactions A, Vol. 29A, May 1998, pp. 1449-1456.

•  J. N. DuPont, On Optimization of the Powder Plasma Arc Surfacing Process, Metallurgical and Material Transactions B, Aug. 1998, Vol. 29B, pp. 932-934.

•  S.W. Banovic, J.N. DuPont, and A.R. Marder, High Temperature Sulfidation Behavior of Low Al Iron-Aluminum Compositions, Scripta Materialia, Vol. 38 (12), 1998, pp. 1763-1767.

•  J.N. DuPont, C.V. Robino, and A.R. Marder, Modeling Mushy Zones in Welds of Multi-Component Alloys: Implications to Solidification Cracking, Science and Technology of Welding and Joining, Vol. 4 (1), 1999, pp. 1-14.

•  S.W. Banovic, J.N. DuPont, and A.R. Marder, The Role of Aluminum on the Weldability and Sulfidation Behavior of Iron-Aluminum Claddings, Welding Journal, Vol. 78, 1999, pp. 23s-30s.

•  B.F. Levin, K.S. Vecchio, J.N. DuPont, and A.R. Marder, Modeling Solid Particle Erosion of Ductile Alloys, Metallurgical and Material Transactions A, Vol. 30A, 1999, pp. 1763-1774.

•  J.N. DuPont and C.V. Robino, The Influence of Nb and C on the Solidification Microstructures of Fe-Ni-Cr Alloys, Scripta Metallurgica, Vol. 41, No. 4, 1999, pp. 449-454.

•  S.W. Banovic, J.N. DuPont, and A.R. Marder, Corrosion Behavior of Weldable Fe-Al Alloys in Oxidizing-Sulfidizing Environments, Materials at High Temperatures, Vol. 16 (4), 1999, pp. 195-199.

•  J.N. DuPont, Microstructural Development and Solidification Cracking Susceptibility in the Fusion Zone of a Stabilized Stainless Steel, Welding Journal, Vol. 78, 1999, pp. 253s-263s, American Welding Society William Sparagen Award for Overall Best Research Paper published in the Welding Journal in 1999 .

•  J.N. DuPont and A.W. Pense, Welding Research Rejuvenated at Lehigh University, Welding Journal, Vol. 78, 1999, p. 39-42.

•  S.W. Banovic, J.N. DuPont, and A.R. Marder, Corrosion Behavior of Weldable Fe-Al Alloys in Oxidizing-Sulfidizing Environments, Materials at High Temperatures, Vol. 16, 1999, pp. 195-199.

•  J.N. DuPont, J.R. Michael, and B.D. Newbury, Solidification and Welding Metallurgy of Alloy HR-160, Welding Journal, Vol. 78, 1999, pp. 408s-415s, American Welding Society Harold Jennings Award for the Best University Research Paper published in the Welding Journal in 1999 .

•  B.F. Levin, J.N. DuPont, and A.R. Marder, Indentation Analysis of Sub-Surface Deformation in Ductile Materials After Solid Particle Erosion, Materials Science and Engineering A, Vol. A283, 2000, p. 203-210.

•  B.F. Levin, J.N. DuPont, and A.R. Marder, The Effect of Second Phase Volume Fraction on the Erosion Resistance of Metal-Matrix Composites, Wear of Materials, Vol. 238, 2000, p.160-167.

•  K.R. Luer, J.N. DuPont, and A.R. Marder, High Temperature Sulfidation of Fe₃Al Thermal Spray Coatings at 600^oC, Corrosion, Vol. 56 (2), 2000, pp. 189-198.

•  J.G. Nawrocki, J.N. DuPont, and A.R. Marder, Stress Relief Cracking Behavior of Cr-Mo Steels; Part I, Single Pass HAZ Simulations, Welding Journal, Vol. 79, 2000, pp. 355s-362s, AWS A.F. Davis Silver Medal Award for best paper published in the Welding Journal dealing with joining of structural materials.

• J.N. DuPont, J.R. Michael, and C.V. Robino, Using Backscattered Electron Diffraction to Understanding Weldability, Welding Journal, Vol. 79, 2000, pp. 43-48.

•  S.W. Banovic, J.N. DuPont, and A.R. Marder, Growth of Nodular Corrosion Products on Fe-Al Alloys in Various High Temperature Gaseous Environments, Oxidation of Metals, Vol. 54 (3/4), 2000, pp. 339-369

•  S.W. Banovic, J.N. DuPont, and A.R. Marder, The use of ternary phase diagrams in the study of high temperature corrosion products formed on Fe-Al alloys in oxidizing and reducing environments, Acta Materialia, Vol. 48, June 2000, pp. 2815-2822.

•  S.W. Banovic, J.N. DuPont, and A.R. Marder, The effect of aluminum content on the corrosion behavior of Fe-Al alloys in reducing environments at 700^oC, Metallurgical and Materials Transactions A, Vol. 31A, July 2000 pp. 1805-1817.

•  K.R. Luer, J.N. DuPont, A.R. Marder, and C.K. Skelonis, Corrosion Fatigue of Alloy 625 Weld Claddings Exposed to Combustion Environments, Materials at High Temperatures, Vol. 18, 2001, pp. 11-19.

•  J.G. Nawrocki, J.N. DuPont, and A.R. Marder, Stress Relief Cracking Behavior of Cr-Mo Steels; Part II, Multi- Pass HAZ Simulations, Welding Journal, Vol. 80, 2001, pp. 18s-24s.

•  S.W. Banovic, J.N. DuPont, and A.R. Marder, Metallographic preparation and degradation of the t-phase (FeAl₂S₄) formed after high temperature oxidation-sulfidation of Fe-Al alloys, Materials Characterization, Vol. 45 (3), 2001, pp. 241-249.

•  S.W. Banovic, J.N. DuPont, and A.R. Marder, Experimental Evaluation of Fe-Al Claddings in High Temperature Sulfidizing Environments, Welding Journal, Vol. 80, 2001, pp. 62s-70s., American Welding Society A.F. Davis Silver Medal Award for best research paper published in the Welding Journal dealing with weld cladding.

•  J.G. Nawrocki, J.N. DuPont, D.W. Ackland, and A.R. Marder, Identification of Nano-Precipitates in a Ferritic Alloy Steel Using Secondary Electron STEM Imaging, Scripta Materialia, Vol. 45 (2), July 2001, pp. 139-144.

•  J.G. Nawrocki, J.N. DuPont, C.V. Robino, and A.R. Marder, The Post Weld Heat Treatment Response of Simulated Coarse Grained Heat Affected Zones in a New Ferritic Steel, Metallurgical and Materials Transactions A, April 2001, pp. 2585-2594.

•  S.W. Banovic, J.N. DuPont, and A.R. Marder, Dilution Control in GTA Welds Involving Super Austenitic Stainless Steels and Nickel Base Alloys, Metallurgical and Materials Transactions B, May 2001, pp. 1171-1176.

•  J.G. Nawrocki, J.N. DuPont, C.V. Robino, J.D. Puskar, and A.R. Marder, The Mechanism of Stress Relief Cracking in a Ferritic Alloy Steel, Welding Journal, Vol. 82, Feb 2003, pp. 25s-35s.

• S.W. Banovic, J.N. DuPont, and A.R. Marder, Dilution and Microsegregation in Dissimilar Metal Welds Between Super Austenitic Stainless Steels and Ni Base Alloys, Science & Technology of Welding and Joining , Vol. 7 (5), 2002, pp. 374 - 383.

•  C.V. Robino, J.N. DuPont, R.E. Mizia, J.R. Michael, D.B. Williams, and E. Shaber, Development of Gd Enriched Alloys for Spent Nuclear Fuel Applications – Part I: Preliminary Characterization of Small Scale Gd Enriched Stainless Steels, Journal of Materials Engineering and Performance, Vol. 12 (2), April 2003, pp. 206-214.

•  J.N. DuPont, S.W. Banovic, and A.R. Marder, Microstructural Evolution and Weldability of Dissimilar Welds between a Super Austenitic Stainless Steel and Nickel Base Alloys, Welding Journal, Vol. 82, June 2003, pp. 125s-135s.

•  M.J. Perricone, J.N. DuPont, and M.J. Cieslak, Solidification of Hastelloy Alloys: An Alternative Interpretation, Metallurgical and Materials Transactions, Vol. 34A, May 2003, pp. 1127-1132.

•  R.R. Unocic and J.N. DuPont, Composition Control in the Direct Laser Deposition Process, Metallurgical and Materials Transactions B, Vol. 34B, August 2003, pp. 439-445.

•  Weiping Liu and J.N. DuPont, In-Situ Reactive processing of Nickel Aluminides by Laser Engineered Net Shaping, Metallurgical and Materials Transactions A, Vol. 34A, Nov. 2003, pp. 2633-2641.

•  Weiping Liu and J.N. DuPont, Fabrication of Functionally Graded TiC/Ti Composites by Laser Engineered Net Shaping, Scripta Materialia, Vol. 48, 2003, pp. 1337-1342.

•  R.R. Unocic and J.N. DuPont, Process Efficiency Measurements in the Laser Engineered Net Shaping (LENS) Process, Metallurgical and Materials Transactions B, Vol. 35B, Feb. 2004, pp. 143-152.

•  Weiping Liu and J.N. DuPont, Fabrication of Carbide Reinforced Titanium Aluminide Matrix Composites by Laser Engineered Net Shaping, Metallurgical and Materials Transactions A, Vol. 35A, March 2004, pp. 1133-1140.

•  C.S. Kusko, J.N. DuPont, and A.R. Marder, The Influence of Microstructure on Fatigue Crack Propagation Behavior of Stainless Steel Welds, Welding Journal, Vol. 83, Jan. 2004, pp. 6s-14s. American Welding A.F. Davis Silver Medal Award for the best research paper on structural materials published in the Welding Journal .

•  C.S. Kusko, J.N. DuPont, and A.R. Marder, The Influence of Stress Ratio on Fatigue Crack Propagation Behavior of Stainless Steel Welds, Welding Journal, Vol. 83, Feb. 2004, pp. 59s-64s.

•  J.R. Regina, J.N. DuPont, and A.R. Marder, Corrosion Behavior of Fe-Al-Cr Alloys in Sulfur- and Oxygen-Rich Environments in the Presence of Pyrite, Corrosion, Vol. 60 (5), 2004, pp 501 -509.

•  J.R. Regina, J.N. DuPont, and A.R. Marder, The Effect of Water Vapor on Passive Layer Stability and Corrosion Behavior on Fe-Al-Cr Alloys, Oxidation of Metals, Vol. 61 (1/2), February 2004, pp. 69-90.

•  J.N. DuPont, C.V. Robino, J.R. Michael, R.E. Mizia, and D.B. Williams, Physical and Welding Metallurgy of Gd-Enriched Austenitic Alloys for Spent Nuclear Fuel Applications – Part I: Stainless Steel Alloys, Welding Journal, Vol. 83, November 2004, pp. 289s-300s.

•  J.N. DuPont, C.V. Robino, J.R. Michael, R.E. Mizia, and D.B. Williams, Physical and Welding Metallurgy of Gd-Enriched Austenitic Alloys for Spent Nuclear Fuel Applications – Part II: Nickel Base Alloys, Welding Journal, Vol. 83, December 2004, pp. 319s-329s. American Welding Society Warren F. Savage Award for the best research paper published in the Welding Journal .

• J.N. DuPont and F.F. Noecker. Direct Deposition of Copper onto Steel for Enhanced Thermal Conductivity, Die Casting Engineer, Vol. 48 (4), July, 2004, pp. 44-46.

•  W. Liu and J.N. DuPont, Effects of Melt-pool Geometry on Crystal Growth and Microstructure Development in Laser Surface-Melted Superalloy Single Crystals. Mathematical Modeling of Single Crystal Growth in a Melt Pool (Part I). Acta Materialia, Vol. 52, 2004, pp. 4833-47.

•  W. Liu and J.N. DuPont, Effects of Substrate Crystallographic Orientations on Crystal Growth and Microstructure Development in Laser Surface-melted Superalloy Single Crystals. Mathematical modeling of single-crystal growth in a melt pool (Part II), Acta Materialia, Vol. 53 (5), Mar. 2005, pp. 1545-1558.

•  W. Liu and J.N. DuPont, Direct Laser Deposition of a Single-Crystal Ni3Al-Based IC221W Alloy, Metallurgical and Materials Transactions A. Vol. 36A (12), Dec. 2005, pp. 3397-3406.

•  J.R. Regina, J.N. DuPont, and A.R.Marder, Gaseous Corrosion Resistance of Fe-Al-Based Alloys Containing Cr Additions Part I: Kinetic results. Materials Science and Engineering A. Vol. 404 (1-2), Sept. 2005, pp. 71-78.

•  J.R. Regina, J.N. DuPont, and A.R. Marder, Gaseous Corrosion Resistance of Fe-Al Based Alloys Containing Cr Additions Part II. Scale morphology. Materials Science and Engineering A, Vol. 405 (1-2), Sept. 2005, pp. 102-110.

•  S. Klingensmith, J.N. DuPont, and A.R. Marder, Microstructural Characterization of a Double-Sided Friction Stir Weld on a Superaustenitic Stainless Steel, Welding Journal, Vol. 84 (5), May 2005, pp. 77s-85s.

•  R.E. Mizia, C.V. Robino, and J.N. DuPont, Development and Testing of an Advanced Neutron Absorbing Gadolinium Alloy for Spent Fuel Storage, Nuclear Technology, Vol. 155, August 2006.

•  M.J. Perricone and J.N. DuPont, Effect of Composition on the Solidification Behavior of Several Ni-Cr-Mo and Fe-Ni-Cr-Mo Alloys, Metallurgical and Materials Transactions A, Vol. 37A, April 2006, pp. 1267-1280.

•  J.N. DuPont, Mathematical Modeling of Solidification Paths in Ternary Alloys: Limiting Cases of Solute Redistribution, Metallurgical and Materials Transactions A, Vol. 37A, June 2006, pp. 1937-1947.

•  F.F. Noecker and J.N. DuPont, Microstructural Development and Solidification Cracking Susceptibility of Cu Deposits on Steel, Part I: Direct Deposition of Cu onto Steel, Journal of Materials Science & Engineering, Vol. 42 (2), 2007, pp. 495-509.

•  F.F. Noecker and J.N. DuPont, Microstructural Development and Solidification Cracking Susceptibility of Cu Deposits on Steel, Part II: Use of a Nickel Interlayer, Journal of Materials Science & Engineering, Vol. 42 (2), 2007, pp. 510-521.

•  D.F. Susan, C.V. Robino, M.J. Minicozzi, and J.N. DuPont, A Solidification Diagram for Ni-Cr-Mo-Gd Alloys Estimated by Quantitative Microstructural Characterization and Thermal Analysis, Metallurgical and Materials Transactions, Vol. 37A (9), Sept. 2006, pp. 2817-2826.

•  T.D. Anderson, M.J. Perricone, J.N. DuPont, A.R. Marder, Phase Transformations and Microstructural Evolution of Mo-bearing Stainless Steels, Metallurgical and Materials Transactions A. Vol. 38A (1), Jan 2007, pp. 86-99.

•  K.D. Adams, J.N. DuPont, and A.R. Marder, The Influence of Centerline Sigma Phase on the Through Thickness Toughness and Tensile Properties of Alloy AL6XN, Journal of Materials Engineering and Performance, Vol. 16 (1), Feb. 2007, pp. 123-130.

•  J.N. DuPont and C.S. Kusko, Martensite Formation in Austenitic/Ferritic Dissimilar Alloy Welds, Welding Journal, Vol. 86 (2), Feb. 2007, pp. 51-54.

•  J.D. Farren, J.N. DuPont, and F.F. Noecker II, Fabrication of a Carbon Steel – to – Stainless Steel Transition Joint, Using Direct Laser Deposition – A Feasibility Study, Welding Journal. Vol. 86 (3), p 55-61, Mar. 2007.

•  J. Regina, J.N. DuPont, and A.R. Marder, The Effect of Chromium on the Weldability and Microstructure of FeCrAl Weld Claddings, Welding Journal, Vol. 86, June 2007, pp. 170-178.

•  R. M. Deacon, J.N. DuPont, A.R. Marder, High Temperature Corrosion Resistance of Candidate Nickel Based Weld Overlay Alloys in a Low NOx Environment, Materials Science & Engineering A, Vol. 460-461, 2007, 392-402.

•  M.J. Perricone, C.V. Robino, T.D. Anderson, and J.N. DuPont, Effect of Composition on the Formation of Sigma in Single-Pass Welding of Mo-Bearing Stainless Steels, Metallurgical and Materials Transactions A. Vol. 38 (9). p. 1976-1990. Sept. 2007.

•  T.D. Anderson, M.J. Perricone, J.N. DuPont, A.R. Marder, The Influence of Molybdenum on Stainless Steel Weld Microstructures, Welding Journal, Vol. 86 (9), p. 281-292. Sept. 2007.

•  F.F. Noecker II, J.N. DuPont, G.A. Young, T.E. Capobianco, Microstructural and Mechanical Characterization of Friction Stir Welded Alloy 690, submitted to the Welding Journal

•  J.N. DuPont - Invited - The Influence of Solid State Diffusion on Microstructural Development During Solidification, accepted for publication in Defect and Diffusion Forum, April 2007.