Six sessions, plus a poster session, make up the Magnesium Technology 2024 symposium at TMS2024. Most sessions will open with a talk by an invited keynote speaker. Plan to attend the following keynote talks as part of Magnesium Technology 2024.
Keynote Speakers
Corrosion and Coatings Session
Speaker: Petra Maier, University of Applied Sciences Stralsund
Lecture Title: "Different Analytical Methods to Determine the Influence of Pitting on the Residual Performance of Mg Alloys as Implant Materials"
Date: March 4, 2024
Time: 8:30 a.m.
Location: Hyatt Regency Orlando, Windermere Y-3
About the Presentation
Magnesium alloys are prone to pitting due to their non-uniform protective corrosion layers, which can lead to an increase in stress intensity based on the notch effect, pit-to-crack transition and thus premature failure. A small set of analytical methods to determine the extent of pitting and its effect on the resulting residual strength is presented. Micrographs, 3D-microscopy or 3D-analysis using CT are used to determine the amount and geometry of pitting—each with advantages and disadvantages. The influence of the corrosion pits on the mechanical properties is tested by static, quasi-static, and cyclic test methods: by tensile, flexural, or fatigue testing—either after corrosion or overlapping. Knowledge about the critical pit is of general interest. Stress corrosion is discussed by applying static tests like C-ring testing, which also plays a role in slow strain rate tensile tests, and stress corrosion cracking is more or less influenced by corrosion pits.
About the Presenter
Petra Maier received her doctorate in materials science from Loughborough University, UK, in 2002. She then worked at the Technical University of Applied Sciences Wildau, Germany, as a postdoctoral researcher on the characterization of materials by nanoindentation. From 2004 to 2006, she was a research assistant under the supervision of Norbert Hort and Karl Ulrich Kainer at the Magnesium Innovation Centre at the Helmholtz-Zentrum Geesthacht, Germany. From 2006 to 2008, Maier was a research associate at the TU Berlin, Germany, in the Institute of Materials Science and Technology, Department of Materials Engineering of Claudia Fleck, where she specialized in corrosion fatigue of magnesium. Since 2008, Maier has been Professor of Materials and Production Engineering at University of Applied Sciences Stralsund, Germany. Since October 2022, she has been Lise Meitner Professor at Lund University, Sweden, in the Department of Mechanical Engineering.
Microstructural Evolution and Phase Transformations Session
Speaker: Ashley Bucsek, University of Michigan
Lecture Title: "3D In-situ Diffraction Microstructure Imaging Techniques: Applications to Recrystallization and Deformation Twinning in Mg Alloys"
Date: March 4, 2024
Time: 2:00 p.m.
Location: Hyatt Regency Orlando, Windermere Y-3
About the Presentation
While magnesium (Mg) alloys have substantial potential for lightweighting the transportation sector and beyond, two of the significant challenges facing Mg alloy research are its strong crystallographic texture and its propensity to deform via twinning. As an experimentalist group collaborating within the DOE-BES funded PRISMS Center, we aim to provide new, fundamental scientific insights into these challenges via the application and advancement of in-situ diffraction microstructure imaging (DMI) techniques, including: near-field, far-field, and laboratory high-energy diffraction microscopy (nf-, ff-, and lab-HEDM), high-resolution X-ray diffraction (HR-XRD), diffraction contrast tomography (DCT), and dark-field X-ray microscopy (DFXM). In this talk, we will present two experiments that investigate the two challenges listed above: one that measures the 3D in-situ emergence and evolution of (1) recrystallized grains during static recrystallization, and one that measures the 3D in-situ emergence and evolution of (2) twins and interfacial stress concentrations at twin/grain boundaries during tensile loading.
About the Presenter
Ashley Bucsek is an assistant professor in Mechanical Engineering (courtesy appointment in Materials Science and Engineering) at the University of Michigan. She earned her PhD from the Colorado School of Mines in 2018 and did her postdoctoral training at the University of Minnesota from 2018−2019. She joined Michigan in 2019. Bucsek has received an NSF CAREER award (2022) and an AFOSR YIP award (2023). Bucsek's research combines 3D in-situ X-ray diffraction microscopy imaging techniques with micromechanical theory to study microscale deformation and microstructure evolution in structural and functional materials. She currently serves on the CHESS Executive User Committee, APS Users’ Organization Steering Committee, and IUCr Diffraction Microstructure Imaging board, and is the President of ASM’s International Organization on Shape Memory and Superelastic Technologies.
Deformation Mechanisms Session
Speaker: Maria Teresa Perez Prado, IMDEA Materials Institute
Lecture Title: "Suppressing Twinning in Magnesium Alloys by Atomic Scale Engineering"
Date: March 5, 2024
Time: 8:00 a.m.
Location: Hyatt Regency Orlando, Windermere Y-3
About the Presentation
Twinning is a soft deformation mechanism that leads to limited strength, to mechanical anisotropy and, in particular, to strong tension-compression yield asymmetry in many wrought alloys, thus limiting their formability. Several methods aimed at reducing the activation of twinning have been proposed. These include texture weakening by alloying with rare earths or with other large elements such as calcium, the use of alternative processing methods such as twin roll casting, or twin strengthening by solid solution, grain refinement, or precipitation. None of these methods have succeeded to fully suppress twinning. This talk will show that a drastic reduction of the twin volume fraction can be induced by atomic segregation of zinc and silver at matrix-particle interfaces in aged ternary magnesium-aluminum alloys. This effect may be attributed to the decrease of the particle-matrix interface energy due to segregation, which would hinder re-nucleation at such interfaces, thus suppressing twin propagation.
About the Presenter
Maria Teresa Perez Prado, senior scientist, heads since 2008 the Sustainable Metallurgy group at IMDEA Materials Institute. Pérez-Prado was division leader between 2014 and 2017 and deputy director between 2017 and 2021. From 2018 to 2022 she coordinated the program on Structural Materials at the Spanish National Science Foundation. Pérez-Prado got a PhD in Physics at the Complutense University in Madrid in 1998 and an MBA at INSEAD, France, in 2008. After a two-year postdoctoral stay at the University of California in San Diego, USA, she joined the National Center for Metals Research (Madrid, Spain) in 2001, where she was granted a tenured scientist position in 2004. Pérez-Prado has coauthored 145 papers [h48, ≈8900 citations (GoogleScholar)], one book (Elsevier, 2004), and three patents. She belongs to the Scientific Council of Nomaten Center of Excellence (Poland), the IRT Jules Verne (France), the Henry Royce Institute (UK), and the European Space Agency (ESA).
Advanced Processing Session
Speaker: Jian-Feng Nie, Monash University
Lecture Title: "Magnesium Wheels"
Date: March 5, 2024
Time: 2:30 p.m.
Location: Hyatt Regency Orlando, Windermere Y-3
About the Presentation
Wrought magnesium alloys offer lightweight, high damping capacity, and high resistance to impact damage, making them ideal for automotive wheels. Low-mass magnesium wheels can help achieve reduced energy consumption, lower greenhouse gas emissions, and improved comfort and driving experience. Studies have indicated that a 30% reduction in vehicle weight improves fuel efficiency by 20-24% and cuts CO2 emissions by 20%. Replacing aluminum with magnesium often reduces wheel weight by less than 30% (a number expected purely from density difference), mainly due to the lower elastic modulus and yield strength of the commodity wrought magnesium alloys AZ80 and ZK30. This talk will provide an overview of microstructures, including texture, and mechanical properties of forged products using these alloys, as well as the progress made in the development of magnesium wheels. It will also highlight future opportunities for alloy development, aiming to harvest the full potential of mass reduction in magnesium wheels.
About the Presenter
Jian-Feng Nie is a professor of the Department of Materials Science and Engineering at Monash University. He has been working on magnesium alloys for 30 years. His current research interests include physical metallurgy of magnesium alloys and aluminum alloys, biodegradable metallic alloys, precipitation and solid-solid phase transformations, applications of scanning transmission electron microscopy in materials characterization, and processing-microstructure-property relationships in metallic materials. He is editor of Metallurgical and Materials Transactions.
Primary Production, Recycling, and Modeling Session
Speaker: Alexander Grant, Magrathea
Lecture Title: "Developing a New Generation of Electrolytic Technology for Making Magnesium Metal"
Date: March 6, 2024
Time: 8:30 a.m.
Location: Hyatt Regency Orlando, Windermere Y-3
About the Presentation
Electrolytic technology is the past and future of magnesium production, particularly from seawater, as the need grows to onshore magnesium production from China and decarbonize it. In this talk, we will share an overview of Magrathea's progress developing a new generation of electrolytic technology and its significance in the history of industry and a changing global landscape. Magrathea is developing technology for making magnesium that people want to buy, not just have to buy, as has been true for magnesium for most of the last century. Automakers prefer electrolytic magnesium due to its superior quality, offering consistent properties, and lower embodied carbon footprint. We will also talk about how we have used modern, fresh narratives and storytelling to mobilize investment and accelerate development in a space that is so important, but that virtually no one outside the TMS Magnesium Symposium was talking about.
About the Presenter
Alexander Grant is the chief executive officer of Magrathea. He is a leader in decarbonization of mining, minerals, metals, chemicals, and lithium-ion battery materials, and was chosen as a Forbes 30 Under 30 in Energy 2021. Grant built Tesla’s first embodied carbon emission model for their lithium-ion battery mining supply chain published in the automaker’s 2022 impact report. In a previous startup role, he proved Lilac’s technology for lithium extraction from brine at mini-pilot scale and the company is now over 200 people with $400M of funding. Grant has an MS in Chemical Engineering from Northwestern University and BEng from McGill University in Chemical Engineering and Philosophy.