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Meeting MS&T23: Materials Science & Technology
Symposium History of Materials Science and Engineering
Presentation Title Historical Aspects of Polycrystal Plasticity
Author(s) Ronald W Armstrong
On-Site Speaker (Planned) Ronald W Armstrong
Abstract Scope The first part of the twentieth century led to establishment of a critical resolved shear stress for single crystal plasticity. Then relationship of individual crystal versus polycrystal deformation for face-centered cubic (fcc) aluminum led to a Taylor orientation factor for the ratio of polycrystal-to-single crystal plastic flow stresses, including a parabolic polycrystal stress-strain curve. Work on body-centered cubic (bcc) steel and hexagonal close-packed (hcp) zinc material led to a Hall-Petch inverse square root of grain size dependence for the stress-strain behavior of the fcc, bcc and hcp structures. The grain size dependence is in most constitutive equation descriptions that now include higher strengths for nano-scale materials, also leading to a strength reversal at a grain size of, say, ten nm. Such aspects of polycrystal plasticity relate also to metal hardness properties, including nano-indentation measurements, and to the ductile-to-brittle transition in steel and its fracture toughness.


200 Years of Recrystallization Studies
A Brief History of Texture and Anisotropy
A Historical Overview of the Development of Grain Coarsening Theory
A Perspective on the Uses of Ceramics in Nuclear Reactors LA-UR-23-23416
At the Beginning: Materials Science and Engineering at Northwestern
Corrosion Science Over the Past Century
Experiments of a German Engineer Starting a Blast Furnace in Brazil, in 1818
Floris Osmond and the Discovery of Steel Microstructures
Historical Aspects of Polycrystal Plasticity
History of Extra Super Duralumin Development and Its Spirit Inherited by UACJ
History of Steel Research in Institute for Materials Research ("KINKEN") of Tohoku University
Hub Aaronson and His Impact on the Field of Solid State Phase Transformations
John W Cahn: Architect of a Discipline
Larry Kaufman, CALPHAD, Digitization of Thermodynamics, and Materials Design
Materials Science vs. Engineering – Paradoxes, Peculiarities, and Tensions in an Ever-Evolving Field
Microalloyed Forging Steels – Evolution from Laboratory to Industrial Application
Pierre Armand Jacquet and Electrolytic Polishing
Raman vs. Born, after Eddington vs. Chandrasekhar: Crystals and Stars
The Burgeoning of Materials Science and Engineering in France 1865 - 1914
The Development of Artificially-made Siliceous Ceramic Bodies (i.e. Stonepaste) in the Middle East between the 11th and 17th Centuries
The Effect of the Kirkendall Effect: The Metastable States and the Energy Barriers to Its Discovery and Acceptance
The History of Field Ion Microscopy and Atom Probe Tomography: The First Images of Atoms
The History of IRSID, the French Steel Research Institute
The History of Quantitative Fractography and Fractal Geometry in Ceramics
The Transition from Old Iron to New Steel in China

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