Office for Global Engagement

International Activities

International Professional Membership

• Global: Member, MRS, 03/01/2016
• Global: Member, NACE, 01/01/2007
• Global: Member, ECS, 01/01/2005
• Global: Member, SME, 01/01/2005
• Global: Member, TMS, 01/01/2001

International Publications

• Global: Prasenjit Podder, Michael L. Free, Prashant K. Sarswat, “Extraction and Recovery of Rare-Earth Elements and Critical Materials from Coal Waste Using Low Cost Processing Methods: Acid Generation Using Acidithiobacillus Ferrooxidans”, Rare Metal Technology 2022, 51-62., 03/01/2022
• Global: Zongliang Zhang, Landon Allen, Prasenjit Podder, Michael L. Free & Prashant K. Sarswat (2021). Recovery and Enhanced Upgrading of Rare Earth Elements from Coal-Based Resources: Bioleaching and Precipitation. Minerals. Vol. 11., 07/2021
• Global: Zongliang Zhang, Arun Murali, Prashant K. Sarswat & Michael L. Free (2020). High-efficiency lithium isotope separation in an electrochemical system with 1-butyl-3-methylimidazolium dicyanamide, 1-ethyl-3-methylimidazolium bis (trifluoromethylsulfonyl. Separation and Purification Technology., 12/2020
• Global: Arun Murali, Prashant K Sarswat & Michael L Free (2020). Adsorption-coupled reduction mechanism in ZnO-Functionalized MWCNTs nanocomposite for Cr (VI) removal and improved anti-photocorrosion for photocatalytic reduction. Journal of Alloys and Compounds., 11/2020
• Global: Zongliang Zhang, Arun Murali, Prashant K. Sarswat & Michael L. Free (2020). High-efficiency lithium isotope separation by electrochemical deposition and intercalation with electrochemical isotope effect in propylene carbonate and [BMIM][DCA] ionic liquid. Electrochimica Acta., 11/2020
• Global: Xiaoshu Lv, Zhiqiang Ning, Michael L Free, Fuhui Cui & Yuchun Zhai (2020). Extraction of Si from Alkaline-Roasted Boron Ore Concentrate. Iranian Journal of Chemistry and Chemical Engineering., 11/2020
• Global: Arun Murali, Prashant K Sarswat & Michael L Free (2020). Minimizing electron-hole pair recombination through band-gap engineering in novel ZnO-CeO 2-rGO ternary nanocomposite for photoelectrochemical and photocatalytic applications. Environmental Science and Pollution Research. Vol. 27, 25042-25056., 07/2020
• Global: Arun Murali, Prashant K Sarswat, J. Paulo Perez & Michael L. Free (2020). Synergetic effect of surface plasmon resonance and schottky junction in Ag-AgX-ZnO-rGO (X= Cl & Br) nanocomposite for enhanced visible-light driven photocatalysis. Journal Colloids and Surfaces A: Physicochemical and Engineering Aspects. Vol. 595., 06/2020
• Global: Arun Murali, Prashant K Sarswat, J. Paulo Perez & Michael L. Free (2020). Synergetic effect of surface plasmon resonance and schottky junction in Ag-AgX-ZnO-rGO (X= Cl & Br) nanocomposite for enhanced visible-light driven photocatalysis. Journal Colloids and Surfaces A: Physicochemical and Engineering Aspects. Vol. 595., 06/2020
• Global: Sayan Sarkar, Michael L. Free, Jayson Benedict & Prashant K. Sarswat (2020). Factors affecting the leaching mechanism of Mg bearing oxide impurities in Hydrogen Assisted Magnesiothermic Reduction (HAMR) of TiO2, . Materials Today Chemistry. Vol. 16., 06/2020
• Global: Arun Murali, Prashant K Sarswat & Michael L Free (2020). Minimizing electron-hole pair recombination through band-gap engineering in novel ZnO-CeO 2-rGO ternary nanocomposite for photoelectrochemical and photocatalytic applications. Environmental Science and Pollution Research., 06/2020
• Global: Prashant K. Sarswat, Taylor Smith, Sayan Sarkar, Arun Murali & Michael L. Free (2020). Design and Fabrication of New High Entropy Alloys for Evaluating Titanium Replacements in Additive Manufacturing, Materials. Materials. Vol. 13., 06/2020
• Global: Prashant K. Sarswat, Morgen Leake, Landon Allen, Michael L. Free, Xianwei Hu, Daejin Kim, Aaron Noble & Gerald H. Luttrell (2020). Efficient recovery of rare earth elements from coal based resources: a bioleaching approach,. Materials Today Chemistry., 06/2020
• Global: Zongliang Zhang, Wei Liu & Michael L Free (2020). Phase-Field Modeling and Simulation of Gas Bubble Coalescence and Detachment in a Gas-Liquid Two-Phase Electrochemical System. Journal of The Electrochemical Society. Vol. 167., 01/2020
• Global: Sayan Sarkar, Prashant K. Sarswat & Michael L. Free (2019). Elevated temperature corrosion resistance of additive manufactured single phase AlCoFeNiTiV0. 9Sm0. 1 and AlCoFeNiV0. 9Sm0. 1 HEAs in a simulated syngas atmosphere. Elsevier. Vol. 30, 100902., 12/01/2019
• Global: Arun Murali, Zongliang Zhang, Prashant K. Sarswat & Michael L Free (2019). Measurements and simulations of Li isotope enrichment by diffusion and electrochemical migration using gel-based electrolyte. Separation and Purification Technology. Vol. 226, 181-191., 11/01/2019
• China: Xiaoshu Lu, Fuhui Cui, Zhiqiang Ning, Michael L Free & Yuchun Zhai (2019). Mechanism and Kinetics of Ammonium Sulfate Roasting of Boron-Bearing Iron Tailings for Enhanced Metal Extraction. Multidisciplinary Digital Publishing Institute. Vol. 7, 812., 11/2019
• Global: Zongliang Zhang, Joshua Werner & Michael Free (2019). Experimental Measurements of the Copper Electrowinning Behavior and Current Efficiency Pre and Post Shorting. COM., 08/19/2019
• Global: Wei Liu, Shufeng Yang, Jingshe Li, Feng Wang, Libin Zhu & Michael L Free (2019). Numerical Simulation of the Three-Phase Flow of a Bubble Interacting with the Steel–Slag Interface During the Secondary Refining Process. Metallurgical and Materials Transactions B. Vol. 50, 1542-1546., 08/15/2019
• Global: Sayan Sarkar, Prashant K Sarswat, Shrikant Saini, Paolo Mele & Michael L Free (2019). Synergistic effect of band convergence and carrier transport on enhancing the thermoelectric performance of Ga doped Cu 2 Te at medium temperatures. Scientific reports. Vol. 9, 1-15., 06/03/2019
• Global: Arun Murali, Y. P. Lan, Prashant K. Sarswat & Michael L Free (2019). Synthesis of CeO2/reduced graphene oxide nanocomposite for electrochemical determination of ascorbic acid and dopamine and for photocatalytic applications. Materials Today Chemistry. Vol. 12, 222-232., 06/01/2019
• Global: Zongliang Zhang & Michael L Free (2019). Review of Progress on Computational Modeling and Simulation of the Zinc Electrowinning Production Process. JOM. Vol. 71, 1623-1633., 05/15/2019
• Global: Prashant K. Sarswat, Sayan Sarkar, Arun Murali, Wenkang Huang, Wenda Tan & Michael L Free (2019). Additive manufactured new hybrid high entropy alloys derived from the AlCoFeNiSmTiVZr system. Applied Surface Science. Vol. 476, 242-258., 05/15/2019
• Global: Zongliang Zhang, Joshua M. Werner & Michael L. Free (2019). Modeling Nickel Electrowinning with Electrode Diaphragms Based on Nernst-Plank Equation and a Volume Force Form of Darcy's Law. Journal of The Electrochemical Society. Vol. 166, D120-D130., 01/01/2019
• Global: Bing Chen , Weizhi Zeng, Tianxiang Nan, Jianguang Yang, Ruiyang Xiao, Chong-Jian Tang, Yanjie Liang & Michael L Free (2019). Study of Tin Electrodeposition with Anion Exchange Membrane in Chloride Solution by a Computational Method. Journal of The Electrochemical Society. Vol. 166, E7-E21., 01/01/2019
• Global: Prashant K. Sarswat & Michael L Free (2019). Real-Time Detection of Thiols Using CoPc Modified Black-Phosphorus Based Sensors. Journal of The Electrochemical Society. Vol. 166, B1-B8., 01/01/2019
• Global: Prashant K. Sarswat, Zongliang Zhang & Michael L. Free (2019). Portable Scanning Vertical Probes for Localized Electrochemical Properties and Defects Analysis. Journal of The Electrochemical Society. Vol. 166, E512-E520., 01/01/2019
• Global: Zongliang Zhang, Prashant K Sarswat , Arun Murali & Michael L Free (2019). Investigation on Lithium Isotope Fractionation with Diffusion, Electrochemical Migration, and Electrochemical Isotope Effect in PEO-PC Based Gel Electrolyte. Journal of The Electrochemical Society. Vol. 166, E145-E152., 01/01/2019
• Global: Zongliang Zhang, Joshua Werner & Michael L. Free (2018). Modeling Zinc Electrowinning for Current Efficiency Prediction Based on Nernst-Plank Equation and Electrode Gas Evolution Reaction Kinetics. Journal of the Electrochemical Society. Vol. 165(15), J3246-j3252., 10/2018
• Global: Zongliang Zhang, Prashant K. Sarswat & Michael L. Free (2018). Li isotopes concentration flux investigation under conditions of diffusion and electric field assisted migration. Vacuum. Vol. 152, 291-300., 10/2018
• Global: Li isotopes concentration flux investigation under conditions of diffusion and electric field assist, Pankaj Kumar & Michael L. Free (2018). Anomalous electrical bistability in lateral grain rich polycrystalline molybdenum disulfide thin films. Vacuum. Vol. 155, 667-674., 09/2018
• China: Shenghua Yin, Leiming Wang , Aixiang Wu, Michael L Free & Eugie Kabwe (2018). Enhancement of copper recovery by acid leaching of high-mud copper oxides: A case study at Yangla Copper Mine, China. Journal of Cleaner Production. Vol. 202, 321-331., 08/2018
• Global: Prashant K. Sarswat & Michael L. Free (2018). Electrochemical and Frequency Assisted Dispersion Methods for Lithum-7 Enrichment from Liquid Media. Proceedings of Extraction 2018. 2575-2579., 08/2018
• Global: Zongliang Zhang, Joshua Werner & Michael L. Free (2018). A Comprehensive Model for Metal Electrowinning Processes. Proceedings of Extraction 2018. 1485-1495., 08/2018
• Global: sayan Sarkar, Wyatt McNeill & Jayson Benedict (2018). Study of the Rate Controlling Steps in the Removal of Magnesium Impurities in Hydrogen Assisted Magnesiothermic Reduction of TiO2 by Leaching. Proceedings of Extraction 2018. 1567-1575., 08/2018
• Global: Xiaming Hua, Yongfei Zheng, Qian Xu , Xionggang Lu, Hongwei Cheng, Xingli Zou, Qiushi Song, Zhiqiang Ning & Michael L. Free (2018). The Effect of Anodic Potential on Surface Layers of Chalcopyrite during Ammonia–Ammonium Chloride Leaching. Proceedings of Extraction 2018. 1547-1554., 08/2018
• China: Weizhi Zeng, Shijie Wang, Michael L. Free, Chong-Jian Tang, Ruiyang Xiao & Yanjie Liang (2018). Design and Modeling of an Innovative Copper Electrolytic Cell. Journal of the Electrochemical Society. Vol. 165(14), E798-E807., 07/2018
• Global: Pankaj Kumar, Prashant K. Sarswat & Michael L. Free (2018). Hybridized Tungsten Oxide Nanostructures for Food Quality Assessment: Fabrication and Performance Evaluation. Scientific Reports. Vol. 8(1), 3348-3355., 07/2018
• Global: Zongliang Zhang, Prashant Sarswat, Jaron Wallace & Michael L Free (2018). Measurements and Simulations of Lithium Isotopes Concentration Fluxes during Electrolytic Lithium-7 Enrichment. ECS Transactions. Vol. 85(4), 79-87., 06/2018
• Global: Z. Zak Fang, James Paramore, Pei Sun, K. S. Ravi Chandran, Ying Zhang, Yang Xia, Fei Cao, Mark Koopman & Michael L. Free (2018). Powder metallurgy of titanium-past, present, and future. Journal of Powder Metallurgy and Mining. Vol. 63(7), 407-459., 06/2018
• China: Xiaoming Hua, Yongfei Zheng , Qian Xu , Xionggang Lu, Hongwei Cheng , Xingli Zou, Qiushi Song, Zhiqiang Ning & Michael L. Free (2018). Leaching mechanism and electrochemical oxidation on the surface of chalcopyrite in ammonia-ammonium chloride solution. Journal of the Electrochemical Society. Vol. 165(10), E466-E476., 05/2018
• Global: Prashant K. Sarswat, Sayan Sarkar & Michael L. Free (2018). Metal Oxides and Novel Metallates Coated Stable Engineered Steel for Corrosion Resistance Applications. Applied Surface Science. Vol. 456, 328-341., 05/2018
• Global: Joshua Werner, Zongliang Zhang & Michael L. Free (2018). Modeling and Validation of Local Electrowinning Electrode Current Density Using Two Phase Flow and Nernst--Planck Equations. Journal of the Electrochemical Society. Vol. 165(5), E190-E2017., 03/2018
• Global: Zongliang Zhang, Joshua Werner & Michael L. Free (2018). A Current Efficiency Prediction Model Based on Electrode Kinetics for Iron and Copper During Copper Electrowinning. TMS 2018: Materials Processing Fundamentals. 111-131., 03/2018
• Global: Gaosong Yi, Binhan Sun, Jonathan D Poplawsky, , Yakun Zhu & Michael L. Free (2018). Investigation of pre-existing particles in Al 5083 alloys. Journal of Alloys and Compounds. Vol. 740, 461-469., 02/2018
• Global: Pankaj Kumar, Prashant K. Sarswat & Michael L. Free (2018). Growth and Capacitive Performance of Metals Engineered Tungsten Oxide Structures and Application in Colorant Sensors. MRS Advances. Vol. 3(13), 691-696., 02/2018
• Global: Gaosong Yi, Binhan Sun, Jonathan D Poplawsky, Yakun Zhu, Michael L Free, Investigation of pre-existing particles in Al 5083 alloys, Journal of Alloys and Compounds, DOI: 10.1016/j.jallcom.2017.12.329, 2017., 12/2017
• Global: Prashant K. Sarswat, Pankaj Kumar, Sayan Sarkar & Michael L Free (2017). Growth and Examination of Non-linear Electrical Behavior of Bulk Lead-Tin-Selenide. Vacuum. Vol. 146, 422-429., 10/2017
• Global: Ying Zhang, Z. Zak Fang, Pei Sun, Shili Zheng, Yang Xia & Michael Free (2017). A perspective on thermochemical and electrochemical processes for titanium metal production. JOM. Vol. 69(10), 1861-1868., 10/2017
• Global: Parunyoo Kamnerdkhag, Michael L. Free, Akeel A. Shah & Aphichart Rodchanarowan (2017). The effects of duty cycles on pulsed current electrodeposition of Zn-Ni-Al2O3 composite on steel substrate: Microstructures, hardness and corrosion resistance. International Journal of Hydrogen Energy. Vol. 42(32), 20783-20790., 10/2017
• Global: Z. Zak Fang, James Paramore, Pei Sun, K.S. Ravi Chandran, Ying Zhang, Yang Xia, Fei Cao, Mark Koopman and Michael Free, Powder metallurgy of titanium-past, present, and future, International Materials Reviews, (DOI: 10.1080/09506608.2017.1366003), 10/2017
• Global: Prashant K. Sarswat, M. Jagannathan & Michael L. Free (2017). The photovoltaic cells performance in different segments of spatial-spectral distributions. Vacuum. Vol. 146, 542-547., 08/2017
• Global: Gaosong Yi, Weizhi Zeng, Jonathan D Poplawsky, David A Cullen, Zhifen Wang & Michael L. Free (2017). Characterization and Modeling of β-Phase Precipitation in Al5xxx Alloys Aged at Low Temperatures. J. Mater. Sci. & Tech. Vol. 33, 991-1003., 07/2017
• Global: Prashant K. Sarswat, Nipon Deka, S Jagan Mohan Rao, Michael L Free & Gagan Kumar (2017). Surface Texture Induced Enhancement of Optical and Photoelectrochemical Activity of Cu2ZnSnS4 Photocathodes. J. Electronic Materials. Vol. 46(8), 5308-5318., 06/2017
• Global: Sayan Sarkar, Prashant K. Sarswat & Michael L. Free (2017). Modifying the band-structure and properties of Zirconium Telluride Using Phosphorus addition. vacuum. Vol. 146, 554-561., 06/2017
• Global: Prashant K. Sarswat, Sayan Sarkar, Gaosong Yi & Michael L Free (2017). Phosphorus Doped SnTe Type Needle-Like Crystals: Band Structure Modifications and Electronic Properties. Journal of Physical Chemistry C. Vol. 121(33), 18263-18273., 05/2017
• Global: Prashant K. Sarswat, Yogendra Kumar Mishra & Michael L. Free (2017). Fabrication and response of alpha-hydroxybutyrate sensors for rapid assessment of cardiometabolic disease risk. Biosensors and Bioelectronics. Vol. 89, 334-342., 04/2017
• Global: Gaosong Yi, Kenneth C Littrell, Jonathan D Poplawsky, David A Cullen, Erik Sundberg, Michael L. Free, Characterization of the Effects of Different Tempers and Aging Temperatures on the Precipitation Behavior of Al-Mg (5.25 at.%)-Mn Alloys, Materials and Design, 118, 22-35, 2017., 04/2017
• Global: Dhiman Bhattacharyya, Prashant K. Sarswat & Michael L. Free, (2017). Quantum Dots and Cabon Dots Based Fluorescent Sensors for TB Biomarkers Detection. Vacuum. Vol. 146, 606-613., 04/2017
• Global: Erik Sundberg, Gaosong Yi, Michael L. Free, Understanding Variations in Sensitization Amongst Alloys, NACE 2017, paper C2017-9761, 2017, 04/2017
• Global: Ying Zhang, Zhigang Zak Fang, Yang Yia, Pei Sun, Brian Van Devener, Michael L. Free, Hyrum Leffler, and Shili Zheng, Hydrogen Assisted Magnesiothermic Reduction of TiO₂, Chemical Engineering Journal, 308, 299-310, 2017., 03/2017
• Global: Sayan Sarkar, Prashant K. Sarswat, Weizhi Zeng, and Michael L. Free, “Conceptualization of Doped Black P Thin Films for Potential Use in Photovoltaics with Validation from First Principle Calculations,” in Applications of Process Engineering Principles in materials Processing, Energy and Environmental Technologies, An EPD Symposiumin Honor of Professor Ramana G. Reddy,” Ed. Shijie. Wang, Michael. L. Free, Shafiq Alam, Mingming Zhang, Patrick R. Taylor, Springer, Cham, Switzerland, 395-400, 2017., 03/2017
• Global: Yakun Zhu, Michael L. Free, Richard Woollam & Wil Durnie (2017). A Review of Surfactants as Corrosion Inhibitors and Associated Modeling. Progress in Materials Science. Vol. 90, 159-223., 03/2017
• Global: Weizhi Zeng, Gaosong Yi, Shijie Wang & Michael L Free (2017). Design and analysis of direct side inflows in copper electrolytic cells by a computational method. Hydrometallurgy. Vol. 169, 612-620., 03/2017
• Global: Gaosong Yi,, David A. Cullen, Yakun Zhu, Erik Sundberg, Alexander T. Derrick, Michael L. Free & William Golumbfskie (2017). Characterization of Al-Mg Alloys Aged at Low Temperatures. Metallurgical Transactions A. Vol. 48(4), 2040-2050., 03/2017
• Global: Weizhi Zeng, Michael L. Free, Shijie Wang, “Understanding Slime Adhesion and Behavior in Copper Electrorefining,” in Applications of Process Engineering Principles in materials Processing, Energy and Environmental Technologies, An EPD Symposiumin Honor of Professor Ramana G. Reddy,” Ed. Shijie. Wang, Michael. L. Free, Shafiq Alam, Mingming Zhang, Patrick R. Taylor, Springer, Cham, Switzerland, 25-34, 2017., 03/2017
• Global: Yang Xia, Z. Zak Fang, Pei Sun, Ying Zhang, Tuoyang Zhang, Michael Free, The effect of molten salt on oxygen removal from titanium and its alloys using calcium” Journal of Materials Science, 52(7): 4120-4128, 2017., 02/2017
• Global: Ying Zhang, Z. Zak Fang, Pei Sun, Yang Xia, Michael L Free, Zhe Huang, Hyrum Lefler, Tuoyang Zhang & Jun Guo (2017). Kinetically enhanced metallothermic redox of TiO2 by Mg in molten sal. Chemical Engineering Journal. Vol. 328, 169-182., 02/2017
• Global: Prashant K. Sarswat and Michael L. Free, “Frequency and atomic mass based selective electrochemical recovery of rare earth metals and isotopes” Electrochimica Acta, 219, 435-446, 2016., 11/2016
• Global: Joshua Werner and Michael L. Free, “Modeling and Validation of Electrowinning to Facilitate Operational Optimization,” Copper 2016 Proceedings, EL5-2, pp. 2112-2123, 2016., 11/2016
• Global: Shijie Wang, Weizhi Zeng, and Michael L. Free, “Revolutionary Changes for Electrolytic Configurations in Industrial Copper Electrolysis Applications, Copper 2016 Proceedings, EL8-1, pp. 2232-2243, 2017, 11/2016
• Global: Michael L. Free, Weizhi Zeng, and Shijie Wang, “Slime Mobility and Transport Effects on Cathode Purity in Copper Electrorefining,” Copper 2016 Proceedings, EL4-3, pp. 2076-2083, 2017., 11/2016
• Global: Michael L. Free, Multi-Physics Modelling and Validation of Copper Heap Leaching Performance, Copper 2016 Proceedings, HY3-1, pp. 1563-1574, 2017., 11/2016
• Global: Weizhi Zeng, Michael L. Free, and Shijie Wang, “A Comparative Study of Electrolyte Flow and Slime Particle Transport in a Newly Designed Copper Electrolytic Cell and a Lab-scale Conventional Electrolytic Cell, JOM, doi:10.1007/s11837-016-2076-x, 2016., 10/2016
• Global: Weizhi Zeng, Shijie Wang, Michael L. Free, Experimental Studies of the Effects of Anode Composition and Process Parameters on Anode Slime Adhesion and Cathode Copper Purity by Performing Copper Electrorefining in a Pilot-Scale Cell,” Metallurgical Transactions B, 47(5), 3178-3179, 2016., 10/2016
• Global: Prashant K Sarswat , Sayan Sarkar, Jae-Hun Cho, Dhiman, Bhattacharyya, and Michael L Free, “Structural and Electrical Irregularities Caused by Selected Dopants in Black-Phosphorus”, ECS Journal of Solid State Science and Technology 5 Q3026-Q3032, 2016., 10/2016
• Global: Jian Liu, Liuchun Zheng, Yaowei Li, Michael Free, and Mingzhu Yang “Adsorptive Recovery of Palladium (II) from Aqueous Solution onto Cross-linked Chitosan/montmorillonite Membrane,” Royal Society of Chemistry Advances, 6, 51757-51767 2016., 08/2016
• Global: Michael L. Free, “Enhanced Nanoparticle Removal Using Surfactants,” MRS Advances, 1 (31), 2213-2224, 2016., 08/2016
• Global: Ying Zhang ; Zhigang Zak Fang ; Yang Xia ; Zhe Huang ; Hyrum Lefler ; Tuoyang Zhang ; Pei Sun ; Michael L. Free ; Jun Guo A novel chemical pathway for energy efficient production of Ti metal from upgraded titanium slag, Chemical Engineering Journal, 286, 517-527, 2016., 08/2016
• Global: Weizhi Zeng, Shijie Wang, and Michael L. Free, “Simulation Study of Electrolyte Flow and Slime Particle Transport in a Newly Designed Copper Electrorefining Cell” ECS Transactions 72(22), 23-42, 2016., 07/2016
• Global: Sayan Sarkar, Prashant K. Sarswat, and Michael L. Free “Modification of Electronic and Vibrational Properties of Doped Black-P Films,” MRS Advances, 1(32), 2285-2290, 2016., 06/2016
• Global: Yakun Zhu, Michael L Free, and Jae-Hun Cho, Integrated evaluation of Mixed Surfactants’ Distribution in Water-Oil-Steel Pipe Environments and Associated corrosion Inhibition Efficiency, submitted for publication, Corrosion Science, 110, 213-227, 2016., 06/2016
• Global: Weizhi Zeng, Michael L. Free, Shijie Wang, “Experimental and Simulation Studies of Electrolyte Flow and Slime Particle Transport in a Pilot Scale Copper Electrorefining Cell, Journal of the Electrochemical Society, 163 (5) E111-E122, 2016., 06/2016
• Global: Prashant Sarswat, Sayan Sarkar; Dhiman Bhattacharyya, Ph.D.; Jaehun Cho; Michael L Free, Dopants Induced Structural and Optical Anomalies of Anisotropic Edges of Black Phosphorous Thin Films and Crystals, Ceramics International, 42(11), 13113–13127 2016., 05/2016
• Global: Yakun Zhu, Michael L. Free, and Gaosong Yi, The effects of surfactant concentration, adsorption, aggregation, and solution conditions on steel corrosion inhibition and associated modeling in aqueous media, Corrosion Science, 102, 233-250, 2016., 04/2016
• Global: Prashant K. Sarswat, Dhiman Bhattacharyya, Michael L. Free, and Manoranjan Misra, Augmented Z scheme blueprint for efficient solar water splitting system using quaternary chalcogenide absorber material, Phys. Chem. Chem. Phys., 18, 3788-3803, 2016., 04/2016
• Global: Yakun Zhu and Michael L. Free, Experimental investigation and modeling of the performance of pure and mixed surfactant inhibitors: micellization and corrosion inhibition, Colloids and Surfaces A Physicochemical and Engineering Aspects, 489,407, 2016., 03/2016
• Global: Jae-Hun Cho, Syamantak Roy, Michael L. Free, Zak Fang, Purification of Reduced Titania Slag by Iron Removal Using Mild Acids, Hydrometallurgy, 161, 7-13, 2016., 03/2016
• Global: Jaehun Cho, Syamantak Roy, Amarchand Sathyapalan, Michael L. Free, Zhigang Zak Fang Investigation of Iron Removal from Reduced Upgraded Titania Slag Using Mild Acids, Rare Metal Technology, 2016, TMS, Warrendale, PA, pp. 143-150, 2016., 03/2016
• Global: Weizhi Zeng, Michael L. Free, Shijie Wang, Studies of Anode Slime Sintering/Coalescence and Its Effects on Anode Slime Adhesion and Cathode Purity in Copper Electrorefining, Journal of the Electrochemical Society, 163(2):E14-E31, 2016., 02/2016
• Global: Gaosong Yi, Yakun ZhuYakun Zhu, Erik Sundberg, and Michael Free, Sensitization prediction and validation for 5xxx Alloys Exposed to long-term cyclical and contant heating at low temperatures, Corrosion, 72(2), 177-186, 2016., 02/2016
• Mexico: Michael L. Free, Ravindra Bhide, and Aphichard Rodchanarowan, Evaluation of Mass Transport Effects on the Nucleation and Growth of Electrodeposits, Fray International Symposium, Invited keynote paper, Vol. 6, 453-466, 2012., 12/01/2011

International Presentations

• Republic of Korea: Michael L Free, Research and Innovation in Hydrometallurgy, University of Science and Technology, South Korea, July 7, 2022., 07/07/2022
• Global: Michael L. Free, "Extraction and Recovery of Rare-earth Elements and Critical Materials from Coal Waste Using Low Cost Processing Methods", Keynote Presentation, Rare Metal Extraction and Processing, TMS Annual Meeting, Anaheim, CA, USA, February 28, 2022., 02/28/2022
• Global: Extraction and recovery of Rare-earth Elements and critical materials from coal waste using low-cost processing methods, 02/2021
• Global: Utilizing Biooxidation to Facilitate Low-Cost Rare Earth Elements Extraction from Coal-Based Resources and Eliminate Future Acid Mine Drainage”, SME Annual Meeting., 02/26/2020
• Global: Hydrometallurgical Removal of Mg Impurities in Hydrogen Assisted Magnesiothermic Reduction of TiO2, SME Annual Meeting, 02/25/2020
• Global: Low Cost Metal Recovery from E-Waste, TMS Annual Meeting, 02/24/2020
• Global: Utilizing Biooxidation in a Flow Sheet to Facilitate Low-Cost Rare Earth Elements Extraction from Coal-Based Resources and Eliminate Future Acid Mine Drainage, AIChE Annual Meeting, November 14, 2019., 11/14/2019
• Global: “Experimental Measurements of the Copper Electrowinning Behavior and Current Efficiency Pre and Post Shorting, Copper 2019, August 21, 2019, 08/21/2019
• China: “Innovations in Metallurgical Engineering to Save Energy and Lower Costs,” Central South University, Changsha, China, December 11, 2018., 12/11/2018
• Global: “Economic Extraction and Recovery of Rare Earth Elements from Coal Waste”, AIChE Annual Meeting, Pittsburgh, PA, November 1, 2018., 11/01/2018
• Global: “Hydrogen Assisted Magnesium Reduction of TiO2”, Extraction 2018, Ottawa, Canada, August 28, 2018., 08/28/2018
• Global: “Study of the Rate Controlling Steps in the Removal of Magnesium Impurities in Hydrogen Assisted Magnesiothermic Reduction of TiO2 by Leaching”, Hydrometallurgy 2018, Ottawa, Canada, August 28, 2018., 08/28/2018
• Global: “Regulatory Mechanism of Anode Slime Behavior”, Hydrometallurgy 2018, Ottawa, Canada, August 28, 2018., 08/28/2018
• Global: “Electrochemical and Frequency Assisted Separation Methods for Lithium-7 Enrichment From Liquid Media”, Critical Metals Processing 2018, Ottawa, Canada, August 28, 2018., 08/28/2018
• Global: “Extraction and Recovery of Rare Earth Elements from Low-Grade Material”, Hydrometallurgy 2018, Ottawa, Canada, August 28, 2018., 08/28/2018
• China: “Innovations in Metallurgical Processing”, Northeastern University, Shenyang, China, July 25, 2018. , 07/25/2018
• China: “Understanding Surfactants and Their Role in Corrosion Inhibition”, Northeastern University Satellite Campus, Quinhuangdao, China, July 24, 2018. , 07/24/2018
• Global: “The Role of Scrap Recycling in the USA Circular Economy A Case Study of Copper Scrap Recycling”, (in collaboration with Phillip Mackey and Nubia Cardona) SME Annual Meeting, Minneapolis, MN, February 27, 2018. , 02/28/2018
• Global: Performance Modeling and Validation for Extraction, Recovery, and Purification of Metals, SME Annual Meeting, Minneapolis, MN, February 28, 2018., 02/28/2018
• Global: “Microstructural Influences of Corrosion Sensitization in Al 5XXX Series Aluminum Alloys” NACE Annual Meeting, March 29, 2017., 03/29/2017
• Global: Conceptualization of Doped Black P Thin Films for Potential Use in Photovoltaics with Validation from First Principle Calculations,“ TMS Annual Meeting, San Diego, California, March 2, 2017., 03/02/2017
• Japan: Slime Mobility, Availability, and Transport Effects on cathode Purity in Copper Electrorefining,” Copper 2016, Kobe, Japan, 11/15/2016
• Japan: Multi-Physics Modelling and Validation of Copper Heap Leaching Performance,” Copper 2016, Kobe, Japan, 11/15/2016
• Japan: Critical Characterization and Modeling of Electrowinning Systems for Optimization,” Copper 2016, Kobe, Japan, 11/15/2016
• Canada: Electrometallurgy Innovations,” keynote presentation, Electrometallurgy 2016, Quebec City, Canada, 09/13/2016
• Canada: Modeling of Agglomerate Size Distribution for Heap Leaching,” IMPC 2016, Quebec City, Canada, 09/12/2016
• Canada: Modeling Electrometallurgy Topography,” Electrometallurgy 2016, Quebec City, Canada, 09/12/2016
• Canada: Modeling Electrowinning and Electrorefining”, short course, Electrometallurgy 2016, Quebec City, Canada, 09/10/2016
• Canada: Cathode Corrosion, Anode Lifetime, and Short-Circuiting, Teck, Trail, British Columbia, Canada, 05/18/2016
• Laos: Electrochemical Kinetics, 03/09/2016
• South Africa: Producing smooth cathodes, invited presentation, AngloAmerican Platinum, Rustenburg, South Africa, January 26, 2015., 01/26/2015
• India: Modeling Heap Leaching PLS from Ore Characteristics and Leaching Parameters, Plenary Speaker, International Conference on the "Processing of Lean Grade and Urban Ores, Jamshedpur, India, January 20, 2015., 01/20/2015
• India: Modeling and Validating Electrodeposition for Commercial Applications, Invited talk, National Metallurgical Laboratory, Jamshedpur, India, January 19, 2015., 01/19/2015
• Mexico: Incorporating Mineral Associations, Comminution, Agglomeration, and Loading in Heap Leach Modeling, International Minerals Engineering Congress, San Luis Potosi, Mexico, Plenary Speaker, September 23, 2014., 09/23/2014
• Mexico: Modeling hydrometallurgical extraction of metals from heterogeneous materials, Shechtman International Symposium, (plenary presentation) June 30, 2014, 06/30/2014
• Canada: “Incorporating Mineral Associations, Comminution, Agglomeration, and Loading in Heap Leach Modeling,” Proceedings of the 7th International Symposium on Hydrometallurgy 2014, Victoria, Canada, June 25, 2014., 06/25/2014
• Canada: “Hydrometallurgy Teaching Tools to Help Prepare Students for Employment,” Proceedings of the 7th International Symposium on Hydrometallurgy 2014, Victoria, Canada, June 25, 2014., 06/25/2014
• Canada: “Modeling and Measuring Electrodeposition Parameters Near Electrode Surfaces to Facilitate Cell Performance Optimization,” Proceedings of the 7th International Symposium on Hydrometallurgy 2014, Victoria, Canada, June 24, 2014., 06/24/2014
• Chile: “Evaluation of Crushed Ore Agglomeration for Copper Ores,” Copper 2013, Santiago Chile, Dec. 4, 2013., 12/2013
• Chile: “Copper Extraction and Recovery from Chalcopyrite in Chloride Media,” Copper 2013, Santiago, Chile, Dec. 4, 2013, 12/2013
• Chile: “Copper Extraction and Recovery from Chalcopyrite in Chloride Media,” Copper 2013, Santiago, Chile, Dec. 4, 2013, 12/2013
• Mexico: “Production of High Quality Metals from Minerals Through Controlled and Sustainable Electrochemistry”, keynote speaker, ISE Annual Meeting, Queretaro, Mexico, September 12, 2013., 09/2013
• Brazil: “Electrometallurgy Fundamentals”, Tres Marias, Minas Gerais, Brazil, 07/03/2013
• Australia: Effects of Additives and Mass Transport on Copper Electrodeposit Roughness in Chloride Media", Murdoch University, Perth, Australia, 12/12/2012
• Peru: “Improved Modeling of Metal Extraction and Electrowinning,” Invited Speaker, 1st International Metallurgical Meeting, Lima, Peru, October 26-27, 2012., 10/27/2012
• Chile: “Hydrometallurgy principles,” BHP-Billiton, Escondida, Chile, 10/10/2012
• Mexico: Evaluation of Mass Transport Effects on the Nucleation and Growth of Electrodeposits,” Keynote paper, Fray International Symposium, 2011., 11/2011
• Ghana: Gold adsorption, elution, and electrowinning, Goldfields/Univ. of Mines and Technology, Tarkwa, Ghana, 07/27/2011
• Germany: Measuring and modeling copper electrowinning current efficiency in chloride media, June 9, 2010, Hamburg, Copper 2010, 06/2010
• Germany: Predicting the effects of locked, partially locked, and liberated valuable mineral grains in copper mineral heap leaching, June 9, 2010, Hamburg, Copper 2010, 06/2010
• Germany: Predicting Leaching Solution pH and Acid Consumption in Copper Heap Leaching, June 8, 2010, Hamburg, Copper 2010, 06/2010
• Brazil: Leaching Fundamentals, Votorantim, Belo Horizonte, Brazil, 05/11/2010

International Conferences

• United States of America: NACE Annual Meeting, 2009
• United States of America: TMS Annual Meeting, 2009
• United States of America: SME Annual Meeting, 2009

International Professional Service

• Global: TMS appointed member, North American Extractive Metallurgy Council, 03/01/2020-03/01/2022
• Global: EPD Senior Advisor, TMS, 07/01/2017-03/30/2021
• Global: Head Organizer, Hydrometallurgy 2018 International Symposium, TMS, 09/01/2016-08/31/2018
• Global: 2017 Ramana Reddy International Symposium, TMS, 02/15/2016-03/15/2017

Countries and Regions of Interest

• Australia
• Brazil
• Canada
• China
• Mexico
• South Africa
• Thailand