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 Dr. Ronald J. O'Malley
  F. Kenneth Iverson Chair Professor of Steelmaking Technologies
  Director of the Kent D. Peaslee Steel Manufacturing Research Center
  Professor of Metallurgical Engineering at Missouri S&T
 
  Awards
  Mines and Metallurgy Academy Senior Faculty Award, Missouri S&T, February, 2019.
  AFS Steel Division Best Paper Award April 28, 2019.
  Alpha Sigma Mu Lecturer, MS&T October,2018.
  Richard J. Fruehan Award, MS&T October, 2018.
  Kent D. Peaslee Award, AISTech 2018, May, 2018.
  Ladle and Secondary Refining Best Paper Award, AISTech 2018, May, 2018.
  1st Vice President - AIST, May 2018.

  Ladle and Secondary Refining Best Paper Award, AISTech 2017, May, 2017.

  Lecturer: Brimacombe Continuous Casting Course, April 2016.
  AIST Jerry Silver Award for Best Paper, May 2015.
  F. Kenneth Iverson Chair Professor of Steelmaking Technologies, January 2014. 
  AIST Presidental Citation, May 2013.
  AIST Distinguished Member and Fellow Award, May 2012.
  AIST Benjamin F. Fairless Award, May 2012.
  ISS Charles Herty Jr. Award for Best Paper, March 21-24, 1999.
  MCWASP Best Experimental Paper Award, June 7-12, 1998.
 
 
Research Interests
  • Steelmaking, continuous casting, solidification & heat transfer.
  • High temperature physical chemistry, thermodynamics & kinetics.
  • Interfacial phenomena, gas-liquid & gas-solid reactions.
  • Thin slab & strip casting, mold fluxes & slags.
  • Hot rolling & thermomechanical processing
  • Steel manufacture, quality defects & causes.
 
Select Lectures and Publications
  • Dustin A. Arvola, Mark C. Emmendorfer, Ronald J. O’Malley, Simon N. Lekakh, Laura N. Bartlett, “Effect of Grain Refining on Properties of Super Austenitic Stainless Steel”, Journal of Materials Engineering and Performance, 2019.
  • Tihe Zhou, Ronald J. O`Malley, Hatem S. Zurob, Mani Subramanian, Sang-Hyun Cho, and Peng Zhang, submitted to Metals “Control Upstream Austenite Grain Coarsening during Thin Slab Casting Direct Rolling (TSCDR) Process”, Metals, 2019, 9, 158 doi:10.3390/met020158, pp 1-18.
  • R. J. O’Malley, “Observations of Inclusion, Steel and Refractory Interactions in Steel Processing”, Invited talk, Bernard Aimes Seminar, University of Alabama, January, 2019.
  • M.F. Buchely, X. Wang, D.C. Van Aken, R.J. O’Malley, S. Lekakh, K. Chandrashekhara, “The use of Genetic Algorithms to calibrate Johnson-Cook strength and failure parameters of AISI/SAE 1018 steel”, Journal of Engineering Materials and Technology, ASME. J. Eng. Mater. Technol. 2018. doi:10.1115/1.4042382.
  • Dustin A. Arvola, Simon N. Lekakh, Ronald J. O’Malley, Laura N. Bartlett, “Two Inoculation Methods for Refining As-cast Grain Structure in Austenitic 316L Steel”, International Journal of Metal Casting, 2018, https://doi.org/10.1007/s40962-018-0260-1, pp.1-15.
  • D.A. Arvola, R.J. O’Malley, S.N. Lekakh and L.N. Bartlett, “Effect of Phase Solidification Sequence in Stainless Steel on Grain Refining Efficiency”, Iron & Steel Technology, AIST, Oct. 2018.
  • Mark Emmendorfer, Simon N. Lekakh, Laura N. Bartlett, Ronald J. O’Malley, “Effect of Aluminum and Vanadium Fine Grain Practice on the Machinability of 4140 Steel”, Proc., MS&T 2018, Columbus, OH, Oct. 2018.
  • Mark Emmendorfer, Simon N. Lekakh, Laura N. Bartlett, Ronald J. O’Malley, “An Investigation of the Machinability of Abrasion Resistant AR450 Steel, Proc., MS&T 2018, Columbus, OH, Oct. 2018.
  • R. J. O’Malley, E. I. Peterson, J. D. Smith, S. Jauch, M. McClymonds, and N. Sutcliffe, “Influence of Mold Flux Crystallite Film Fracture on Thermal Fluctuations in a Thin Slab Funnel Mold”, Iron & Steel Technology, AIST, July, 2018, pp 58-66.
  • M.F. Buchely, X. Wang, D.C. Van Aken, R.J. O’Malley, S.N. Lekakh, K. Chandrashekhara, “Rolling Pressures during the Hot-Roll of Three Different Steel Plates: Experimental, Analytical and FEA”, Proc., 2nd International Symposium on the Recent Developments in Plate Steels, Orlando, FL, June 3-6, 2018.
  • X. Wang, S. Ganguly, K. Chandrashekhara, M. F. Buchely, S. N. Lekakh, D. C. Van Aken and R. J. O’Malley, D. Bai, Y. Wang, and T. Natarajan, “Modeling and Simulation of Mass Flow of Steel Plate/Slab during Hot Rolling”, 2nd International Symposium on the Recent Developments in Plate Steels, Orlando, FL, June 3-6, 2018.
  • Dustin A. Arvola, Ronald J. O’Malley, Simon N. Lekakh, Laura N. Bartlett, “Effect of Phase Solidification Sequence in Stainless Steel on Grain Refining Efficiency”, AISTech 2018, Philadelphia, PA, May, 2018.
  • Obinna M. Adaba, Ronald J. O’Malley, Mingzhi Xu, Laura N. Bartlett, Simon N. Lekakh, "Three Dimensional Study of Inclusion Size Distribution and Morphology in Mn-Si Killed Steel", AISTech 2018, Philadelphia, PA, May, 2018.
  • Obinna Adaba, Laura Bartlett, Mingzhi Xu and Ronald J. O’Malley, “Factors Affecting the Evolution of Inclusion Population During Steelmaking and Casting”, STIS 2017, 3rd International Conference on Ironmaking and Steelmaking, IIT Kanpur, India, Dec 11-13, 2017, pp. 55-58.
  • Soumava Chakraborty, Ronald J. O’Malley, Laura Bartlett, Mingzhi Xu, Efficiency of Solid Inclusion Removal from the Steel Melt by Ceramic Foam Filter: Design and Experimental Validation”, Proc., AFS - 122nd Metalcasting Congress, Ft. Worth, TX, April 3-5, 2018.
  • Zachary T. Hilton, Joseph W. Newkirk, and Ronald J. O’Malley, “Studying Chromium and Nickel Equivalency to Identify Viable Additive Manufacturing Stainless Steel Chemistries”, Proc., 28th Annual International Solid Freeform Fabrication Symposium, Austin, TX, August 7-9, 2017.
  • Mario Buchely, David Van Aken, Ronald O'Malley, K. Chandrashekhara, Simon Lekakh, “Hot Rolling Effect upon the High Temperature Johnson-Cook Strength and Failure Models for a 15V38 Grade Steel”, Proc., Symposium on Materials Property Understanding through Characterization, MS&T17, Pittsburgh, PA, 2017.
  • Tarak Amine, Joseph W. Newkirk and Ronald O’Malley, “Evaluating Material Property Variations in Components with Difficult Geometries”, Proc. International Mechanical Engineering Congress & Exposition, ASME, Tampa, FL, November 3-9, 2017.Simon N. Lekakh, Ron O’Malley, Mark Emmendorfer and Brenton Hrebec, “Control of Columnar to Equiaxed Transition in Solidification Macrostructure of Austenitic Stainless Steel Castings”, ISIJ International, Vol. 57 (2017), No. 5, pp. 824–832.
  • Obinna Adaba, Pallava Kaushik, Ronald J. O’Malley, Simon N. Lekakh, Von L. Richards, Erik Mantel, Randy Hall, Eric J. Ellis, “Characteristics of Spinel Inclusions Formed after Reoxidation of Calcium Treated Aluminum Killed Steel”, Iron & Steel Technology, July 2017. 
  • R. J. O’Malley, “Inclusion Evolution and Removal in Ladle Refining”, Proc., AISTech 2017, Nashville, TN, May, 2017.
  • R. J. O’Malley, E. I. Peterson, J. D. Smith, S. Jauch, M. McClymonds, and N. Sutcliffe, “Influence of Mold Flux Crystallite Film Fracture on Thermal Fluctuations in a Thin Slab Funnel Mold”, Proc., AISTech 2017, Nashville, TN, May, 2017.
  • E. I. Peterson, T. P. Sander, J. D. Smith, and R. J. O’Malley, “Investigation of Mold Flux Crystallization by Rapid Quenching and Isothermal Aging in Molten Tin”, Proc., AISTech 2017, Nashville, TN, May, 2017.
  • X. Wang and K. Chandrashekhara, S. A. Rummel, S. Lekakh, D. C. Van Aken and R. J. O’Malley, “Modeling of Mass Flow Behavior of Hot Rolled Low Alloy Steel based on Combined Johnson-Cook and Zerilli-Armstrong Model”, Journal of Materials Science 52.5 (2017): 2800-2815.
  • X. Wang, H. Li, and K. Chandrashekhara, S. A. Rummel, S. Lekakh, D. C. Van Aken and R. J. OMalley, “Inverse Finite Element Modeling of Barreling Effect on Experimental Stress-strain Curve for High Temperature Steel Compression Test”, Journal of Materials Processing Technology 243 (2017) pp. 465-473.
  • S.N. Lekakh, J. Ge, V. Richards, R. O’Malley & J.R. TerBush, “Optimization of Melt Treatment for Austenitic Steel Grain Refinement”, Metallurgical and Materials Transactions B, October 2016, pp. 1-14.
  • M. Mohammadi-Ghaleni, M.A. Zaeem, J.D. Smith, & R.J. O’Malley, “Comparison of CFD Simulations with Experimental Measurements of Nozzle Clogging in Continuous Casting of Steels”, Metallurgical and Materials Transactions B, 47(6), pp.3384-3393.
  • Andrew A. Russo, Jeffrey D. Smith, Ronald J. O’Malley, Von L. Richards, “Mechanism for Carbon Transfer from Magnesia-Graphite Ladle Refractories to Ultralow-Carbon Steel”, Iron & Steel Technology, Oct, 2016.
  • R. J. OMalley, “Select Topics on Clean Steel and Quality”, 5th Course on High Quality Steels, University of Science and Technology Beijing, Beijing China, June, 2016.
  • Obinna Adaba, Pallava Kaushik, Ronald J. O’Malley, Simon N. Lekakh, Von L. Richards, Erik Mantel, Randy Hall, Eric J. Ellis, “Characteristics of Spinel Inclusions Formed after Reoxidation of Calcium Treated Aluminum Killed Steel”, Proc. AISTech 2016, Pittsburgh, June 2016.
  • Andrew A. Russo, Jeffrey D. Smith, Ronald J. O’Malley, Von L. Richards, Ladle Refractories to Ultra-Low Carbon Steel”, Proc. AISTech 2016, Pittsburgh, June 2016.
  • Andrew A. Russo, Jeffrey D. Smith, Ronald J. O’Malley, Von L. Richards, “Mechanism for Carbon Transfer from Magnesia-Graphite Ladle Refractories to Ultra-Low Carbon Steel”, Proc. AISTech 2016, Pittsburgh, June 2016.
  • Monica Kapoor, Ronald O’Malley, and Gregory B. Thomson, “Atom Probe Tomography Study of Multi-Microalloyed Carbide and Carbo-Nitride Precipitates and the Precipitation Sequence in Nb-Ti HSLA Steels”, Metallurgical and Materials Transactions A, May 2016, Volume 47, Issue 5, pp 1984-1995.
  • Elizabeth Nolte, Jeffrey D. Smith, Michael Frazee, Neil Sutcliffe, Ronald J. O’Malley, “Application of Cathodoluminescence in Analyzing Mold Flux Films”, Proc., 10th International Conference on Molten Slags, Fluxes and Salts, Seattle, Washington, May 2016.
  • Lance C Hibbeler, Melody M Chin See, Junya Iwasaki, Kenneth E Swartz, Ronald J O’Malley, Brian G Thomas, "A Reduced-Order Model of Mould Heat Transfer in the Continuous Casting of Steel:", Applied Mathematical Modeling, 24 May 2016.
  • Mahdi Mohammadighaleni, Mohsen Asle Zaeem, Jeffrey D. Smith, and Ronald O’Malley, “Computational Fluid Dynamics Study of Molten Steel Flow Patterns and Particles-Wall Interactions inside a Slide-Gate Nozzle by a Hybrid Turbulent Model”, Metallurgical and Materials Transactions B, Issue 5, April 2016, pp. 1-10.
  • Andrew A. Russo, Jeffrey D. Smith, Ronald J. O’Malley, Von L. Richards, “Kinetics of Carbon Transfer from Magnesia-Graphite Ladle Refractories to Ultra-Low Carbon Steel” Proc., St. Louis Section/RCD 52nd Annual Symposium, St. Louis, March 2016.
  • Ronald J. O’Malley, "Steel Related Refractory Research at the PSMRC”, St. Louis Section/RCD 52nd Annual Symposium, St. Louis, March 2016.
  • Marc Harris, Von L. Richards, Ron O’Malley, Simon Lekakh, “Factors Affecting Impact Toughness of Cast Heavy Section 4320 Steel”, submitted to International Journal of Metalcasting.
  • Obinna Adaba, Marc Harris, Ronald J. O’Malley, Simon N. Lekakh, Von L. Richards and Neil Sutcliffe, “An SEM/EDS Statistical Study of the Effect of Mini-Mill Practices on the Inclusion Population in Liquid Steel”, Proc. Clean Steel 9, 9th International Conference and Exhibition on Clean Steel, September 8-10, 2015, Budapest, Hungary, Chapter 4, Paper 5.
  • Marc Harris, Von L. Richards, Ron O’Malley, Simon Lekakh, “Evolution of Non-Metallic Inclusions in Foundry Steel Casting Processes”, Proc. 69th Annual Technical and Operating Conference, Chicago, December 2015.
  • Marc Harris, Obinna Adaba, Simon Lekakh, Ron O’Malley, and Von L. Richards, “Improved Methodology for Automated SEM/EDS Non-Metallic Inclusion Analysis of Mini-Mill and Foundry Steels”, Proc. AISTech 2015, Cleveland, May 4-7, 2015, pp. 2315-2325.
  • Madeline Rembold, Oscar Chahin, Neal Ross, Bob Williams, Ron O’Malley, “Investigation of Stopper Rod Tip Wear on a Thin-Slab Caster”, Iron & Steel Technology, July, 2015, pp.43-51. 
  • S. A. Rummel, S. N. Lekakh, D. C. Van Aken, R. J. O’Malley, X. Wang and K. Chandrashekhara, “High Strain Rate Hot Deformation of Steels: Measurement and Simulation”, Proc. International Conference on Advances in Product Metallurgy of Long and Forged Products, Vail, CO, July 2015.
  • X. Wang and K. Chandrashekhara, S. A. Rummel, S. Lekakh, D. C. Van Aken and R. J. O’Malley, “Modeling and Simulation of Hot Rolling using Nonlinear Material Models”, Proc. International Conference on Advances in Product Metallurgy of Long and Forged Products, Vail, CO, July 2015.
  • Gun Ge, Simon Lekakh, Von Richards, and Ron O’Malley, “Enhancing Grain Refinement of Austenitic Steel with Ti Additions by Melt Treatment Sequence Optimization”, Presentation, AISTech 2015, Cleveland, May 4-7, 2015.
  • T. Zhou, H. S. Zurob, R. J. O’Malley and K. Rehman, “Model Fe-Al Steel with Exceptional Resistance to High Temperature Coarsening. Part I: Coarsening Mechanism and Particle Pinning Effects” Metallurgical and Material Transactions A, October, 2014.
  • T. Zhou, P. Zhang, R. J. O’Malley, H. S. Zurob, and M. Subramanian, “Model Fe-Al Steel with Exceptional Resistance to High Temperature Coarsening. Part II: Experimental Validation and Applications” Metallurgical and Materials Transactions A, October, 2014.
  • M. Kapoor, R. O’Malley, G. Thompson, Proc. “Atom Probe Compositional Analysis of Nanoscale Carbide and Carbo-Nitride Precipitates in Nb-Ti-Microalloyed Steels”, Materials Science & Technology 2014, Indianapolis, 2014.
  • Madeline Rembold, Oscar Chahin, Neal Ross, Bob Williams, Ron O’Malley, "Investigation of Stopper Rod Tip Wear on a Thin-Slab Caster", Proc. AISTech 2014, Indianapolis, 2014. 
  • V.S.A. Challa, R.D.K. Misra, R. O’Malley, S.G. Jansto, "The Effect of Coiling Temperature on the Mechanical Properties of Ultrahigh-Strength 700 MPA Grade Processed via Thin-Slab Casting", Proc. AISTech 2014, Indianapolis, 2014. 
  • V.S.A. Challa, W.H. Zhou, R.D.K. Misra, R.O’Malley, S.G. Jansto, “The effect of coiling temperature on the microstructure and mechanical properties of a niobium–titanium microalloyed steel processed via thin slab casting,” Materials Science and Engineering A, 595 (2014) 143-153.
  • L. Hibbeler, I Hwang, M. Langeneckert, J. Iwasaki, B.G. Thomas, R.J. O’Malley, “Calibration of Thermal Models of Continuous Casting of Steel”, AIST Transactions, Sept, 2013, pp. 199-210.
  • J. Stock, C.M. Enloe, R. J. O’Malley, K.O. Findley, and J. G. Speer, “Cooling Rate Effects on the As-Cast Titanium Nitride Precipitation Size Distribution in a Low-Carbon Steel”, AIST Transactions, Vol.11, No. 4, June, 2014, pp. 180-187.
  • I.C. Okafor, R.J. O’Malley, K.R. Prayakarao, and H.A. Aglan, “Effect of Zinc Galvanization on the Microstructure and Fracture Behavior of Low and Medium Carbon Structural Steels”, Engineering, 5, August 2013.
  • R. O’Malley, “Mold Flux Films and Mold Thermal Behavior”, Invited Lecture, McGill University FactSage Consortium Meeting, May, 2013.
  • R. O’Malley, “Coil and Plate Steel Production Considerations for API Line Pipe” Presentation at the AIST Pipe and Tube Technology Committee Meeting in Huntsville, AL, Jan., 2013.
  • R. O’Malley, “API Steel Coil and Plate Production”, R. O'Malley, Invited Lecture, Pipeliners Club of Atlanta, Atlanta, GA, Nov., 2011.
  • R.K. Misra, Z. Jia, R. O’Malley, S.J. Jansto, “Precipitation Behavior During Thin Slab Thermomechanical Processing and Isothermal Aging of Copper-bearing Niobium-Microalloyed High Strength Structural Steels: The Effect on Mechanical Properties”, Materials Science and Engineering A 528, 2011, 8772– 8780.
  • Z. Jia, D.D.K. Misra, R. O’Malley, S.J. Jansto, "Fine-Scale Precipitation and Mechanical Properties of Thin Slab Processed Titanium–Niobium Bearing High Strength Steels", Materials Science and Engineering A, Vol. 528, 2011, pp. 7077– 7083.
  • J. Bentsman, B.G. Thomas, B. Petrus, X. Zhou, V. Natarajan, and R. O'Malley, “Hybrid Control of Continuous Casting for Whale and Crack Prevention and Resonance Control in Mold Oscillation System” Proceedings of 2011 NSF Engineering Research and Innovation Conference, Atlanta, Georgia, Grant # DMI-0900138.
  • Kun Xu, Brian G. Thomas, Ron O’Malley, “Equilibrium Model of Precipitation in Microalloyed Steels” Metallurgical and Materials Trans. A, Nov, 2010.
  • Tihe Zhou, Ronald J. O’Malley, Hatem S. Zurob, “Study on Grain Growth Kinetics in Delta Ferrite and Austenite with Application to Thin-Slab Cast Direct-Rolling Microalloyed Steels” Metallurgical and Materials Trans. A, Volume 41A, August, 2010, pp, 2112-2122.
  • R. O’Malley, “Everything a Product Metallurgist Needs to Know About Continuous Casting” Invited Lecture, ASPPRC Spring Meeting, Colorado School of Mines, March, 2010.
  • B.A. Webler, E.M. Nick, R.J. O’Malley, and S. Sridhar, “The Influence of Cooling and Reheating on the Evolution of Copper Rich Liquid High Residual Low Carbon Steels”, Ironmaking and Steelmaking, Vol. 35, No. 6, 2008.
  • B.A. Blumhardt, J.G. Speer, D.K. Matlock, and R.J. O’Malley, “Influence of Chemical and Processing Variables on Annealing Response of Cold-Rolled Microalloyed Steels”, Proc., International Conference on Microalloyed Steels: Processing, Properties, Microstructure, and Performance, Pittsburgh, PA, 2007.
  • R.J. O’Malley, “Tunnel Furnace Operating Issues Affecting Quality”, Bricmont Tunnel Furnace Seminar, Pittsburgh, PA, Sept. 2006.
  • B. Zhao, B.G. Thomas, S.P. Vanka, and R.J. O’Malley, “Transient Flow and Temperature Transport in Continuous Casting of Steel Slabs”, Journal of Heat Transfer, Vol. 127, August 2005, p. 807.
  • R.J. O’Malley, “Some Operational Aspects of Mold Level Control in the Continuous Casting of Steel” AIST Continuous Casting Sub-committee Meeting, Baltimore, MD, Oct. 2005.
  • B. Thomas, R. O’Malley, T. Shi, Y. Meng, D. Creech, and D. Stone, “Validation of Fluid Flow and Solidification Simulation of a Continuous Thin-Slab Caster”, Proc. MCWASP IX, Shaker Verlag, GmbH, Aachen, Germany, 2000, pp. 769-776.
  • R. J. O’Malley and J. Neal, “An Examination of Mold Flux Film Structures and Mold Gap Behavior Using Mold Thermal Monitoring and Petrographic Analysis at Armco’s Mansfield Operations”, Proc. METEC Congress 99, Dusseldorf, June 13-15, 1999.
  • R. J. O’Malley, “Observations of Various Steady State and Dynamic Thermal Behaviors in a Continuous Casting Mold”, Proc. 82nd Steelmaking Conf., ISS, Chicago, IL, March 21-24, 1999.
  • R. J. O’Malley, O. Silbermann, and J. Watsinger, “Carbon and Stainless Steel Quality Results from Armco Mansfield’s Thin Slab Casting and Direct Rolling Facility using VAI’s CONROLLÔ Technology”, Proc., 56th Electric Furnace Conf., ISS, New Orleans, LA, November 21-24, 1998.
  • R. O’Malley and J. Watsinger, “Direct Hot Charged Stainless Performance at Armco Mansfield”, Adv. Tech. Symposium. The High Performance Steel Plant, Baltimore, MD, Oct 4-6, 1998.
  • “Measurement of Temperature, Solidification, and Microstructure in a Continuous Cast Thin Slab”, B. G. Thomas, R. J. O’Malley, and D. Stone, Proc. Modeling of Casting, Welding & Advanced Solidification Processes III, San Diego, CA, June 7-12, 1998, pp. 849-860.
  • “Casting Technologies for Direct Hot Charging at Armco Mansfield”, R. J. O’Malley: Steel Times Int., Vol. 22, No. 1, January, 1998, pp. 12-19.
  • K. Morwald, J. Watsinger, and R. O’Malley, “Roll Load Measurements for Slab Casting”, Ironmaking & Steelmaking, Vol 25, No. 2, 1998, pp. 159-162.
  • “Casting Technologies Supporting the Development of Direct Hot Charged Carbon and Stainless Steel Production at Armco’s Mansfield Operations”, R. J. O’Malley: Proc., 39th Mechanical Working and Steel Processing Conf., ISS, Indianapolis, IN, 19-22 October 1997.
  • R. J. O’Malley, A. J. Flick, and G. Hohenbichler, “Thin Slab Casting Practice Development at Armco’s Mansfield Operations”, Proc., CCC’96, Linz, Austria, May 1996, Slab Session - Paper 16.
  • R. J. O'Malley, M. E. Karabin, and R. E. Smelser, “The Roll Casting Process: Numerical and Experimental Results”, Journal of Materials Processing & Manufacturing Science, Vol. 3, July, 1994, pp. 59-71.
  • J. F. Elliott and R. J. O'Malley, “Chemical and Physical Changes Occurring as Oxide and DRI Pellets are Heated in Liquid Slags”, Proc., Sixth International Iron and Steel Congress, 1990, Nagoya, ISIJ, pp. 131-138.
  • R. Bachowski, R.J. O'Malley, M.M. Mohajery, “Continuous Casters for Aluminum Mini-Sheet Mills - an Alcoa Perspective”, Light Metal Age, Vol. 47, Nos. 7 & 8, August, 1989, pp. 6 - 12.
  • Q. T. Fang, P.N. Anyalebechi, R. J. O'Malley, and D. A. Granger, “Effect of Solidification Conditions on Hydrogen Porosity Formation in Directionally Solidified Aluminum Alloys”, Proc. Solidification Processing 1987, Sept. 21-24, 1987.
  • R. J. O'Malley and M. E. Karabin, “A Theoretical and Experimental Study of the Roll Casting Process”, Proc., Modeling and Control of Casting and Welding Processes, S. Kou and R. Mehrabian, ed., AIME, 1986, pp. 149-168.
  • R. J. O'Malley and J. F. Elliott, “Heating and Melting of DRI in Electric Furnace Slags”, Proc., 69th Steelmaking Conference, 5th International Iron and Steel Congress, Washington, DC, April, 1986, pp. 923-927.
  • R. J. O'Malley and J. F. Elliott: “A Physical Model of the Melting of DRI Pellets in Arc Furnaces”, Proc., Symposium on Chemical Engineering in Process Metallurgy, Paper 23c, AICh.E. Fall Meeting, Cleveland, Ohio, Aug. 30 - Sept. 3, 1982.
  • D. Apelian, R. J. O'Malley, and C. E. Dremann, “Injection of Non-Buoyant Particles”, Proc., Scaninject II, 2nd International Conference on Injection Metallurgy, Lulea, Sweden, June 12-13, 1980, pp. 7:1-7:33.
  • R. J. O'Malley, C. E. Dremann, and D. Apelian, “Alloying of Aluminum by Manganese Powder Injection”, Journal of Metals, Vol. 31, No. 2, Feb., 1979, pp. 14-19. 
 
 
Ċ
Ron OMalley,
Apr 16, 2017, 7:28 AM
Ċ
Ron OMalley,
Oct 24, 2018, 3:25 PM
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