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Meeting Materials Science & Technology 2017
Symposium Fifty Years of Metallography and Materials Characterization
Presentation Title Delving into the World of Grain Boundaries with Electron Microscopy
Author(s) Christopher J. Marvel
On-Site Speaker (Planned) Christopher J. Marvel
Abstract Scope I am honored to have been awarded the Jacquet-Lucas Award in 2011 alongside my collaborators Will Lenthe and John Logan for our work on the characterization of a silver-plated trombone. Our early mentors at Lehigh University were important to our success, so I will first acknowledge their positive influence. Next I will focus on the utilization of aberration-corrected scanning transmission electron microscopy to characterize grain boundaries in metals and ceramics. Grain boundaries are still regarded as somewhat mysterious, but new high resolution techniques are deepening our understanding every day and we can use these tools to solve fundamental materials science problems. I will highlight recent work including the mapping of grain boundary complexion transitions with time-temperature-transformation diagrams to achieve better control of microstructural evolution, doping grain boundaries in armor ceramics to improve fracture resistance, and stabilizing grain boundaries in nanocrystalline metals to maximize their thermal stability.
Proceedings Inclusion? Planned: Publication outside of MS&T


A Metallographic Study on the Diffusion Behavior and Microstructural Transformations in Silicon-containing Powder Metallurgy Steels
Advanced Analytical Microscopy: Metallographic Characterization for the Next Fifty Years
Applying In Situ S/TEM Microscopy to Structural Materials Using MEMS-based Closed-cell Gas-reactions – Challenges and Prospects
Characterization of Transition-iron-carbide Precipitates
Correlating Variability in Fatigue Life with Fracture Mechanisms in a Near-αTitanium Alloy
Delving into the World of Grain Boundaries with Electron Microscopy
How Microscopy Can Help to Save Energy, Save Lives, Create Jobs and Improve Our Health
Improving the Precision of Microindentation Hardness Data
K-3: Automated Optical Microstructural Characterization of Thermal Spray Coatings
K-4: Advances in Automated Optical 3D Materials Characterization
Metallographic Analysis of Cu-Nb Nanolaminates Using Polarized Light Optical Microscopy
Microanalysis of Microscopy Evaluation of Mechanical Property Changes due to Low Temperature Thermal Treatment of a Steel
Microstructural Developments in Dual-phase and Advanced High Strength Steels
Next Step in Complex Microstructure Classification – How to Replace Subjective Expert Bias by 3D Information and Autonomous Procedures?
Oxidation Behavior of Tungsten Carbide-6% Cobalt Cemented Carbide
Proclamation, Publication and Progress
Quantitative Microstructure Analysis by TriBeam Tomography
Three Dimensional (3D) Analysis of White Etching Regions in AISI M50 Bearing Steel

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