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The theory of transformations in metals and alloys
J.W. Christian,H. M. Otte +1 more
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In this paper, the authors present a general introduction to the theory of transformation kinetics of real metals, including the formation and evolution of martensitic transformations, as well as a theory of dislocations.Abstract:
Part I General introduction. Formal geometry of crystal lattices. The theory of reaction rates. The thermodynamics of irreversable processes. The structure of real metals. Solids solutions. The theory of dislocations. Polycrystalline aggregates. Diffusion in the solid state. The classical theory of nucleation. Theory of thermally activated growth. Formal theory of transformation kinetics. Part II Growth from the vapour phase. Solidification and melting. Polymorphic Changes. Precipitation from supersaturated solid solution. Eutectoidal transformations. Order-disorder transformations. Recovery recrystalisation and grain growth. Deformation twinning. Characteristics of martensic transformations. Crystallography of martensitic transformations. Kinetics of martensitic transformations. Rapid solidification. Bainite steels. Shape memory alloys.read more
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A comparison of intergrinding and blending limestone on reaction and strength evolution in cementitious materials
Aditya Kumar,Tandre Oey,Guillermo Puerta Falla,Ryan Henkensiefken,Narayanan Neithalath,Gaurav Sant +5 more
TL;DR: In this article, the authors compare the performance of portland cements containing interground and blended limestone in terms of their hydration and strength evolution behavior and conclude that the reaction response of interground cements can be achieved or exceeded by blended systems, depending on the characteristics of the cement and the limestone used.
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Use of Metastable Phase Diagrams in Rapid Solidification
TL;DR: In this article, various techniques are described to obtain information about metastable equilibrium from measured stable equilibrium data, including extra-polations of phase boundaries as functions of temperature, pressure or composition.
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Silicon recovery from diamond wire saw silicon powder waste with hydrochloric acid pretreatment: An investigation of Al dissolution behavior.
TL;DR: The determined dissolution behavior of retained impurities via the dissolution of Al in HCl solution provides a clear understanding of the removal of retained metallic impurities from DWSSP via an acid leaching pretreatment.
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Kinetics of reconstructive austenite to ferrite transformation in low alloy steels
TL;DR: In this paper, a thermodynamic model was coupled with simplified kinetic theory, so that, subject to a number of assumptions, the one-dimensional parabolic thickening constant α1 for allotriomorphic ferrite growing from austenite can be estimated as a function of temperature and composition.
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Thermal analysis of bulk amorphous arsenic triselenide
David D. Thornburg,R.I. Johnson +1 more
TL;DR: In this paper, the authors used differential scanning calorimetry to study the heat capacity and crystallization parameters of amorphous As 2 Se 3 and found that the capacity above the glass transition temperature exceeds, by a factor of 1.6, the Dulong-Petit limiting value found below T g.