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Recent Advances in Solids/Structures and Application of Metallic Materials, 1997
Abstract A model was developed for predicting the precipitation hardening response of a particle strengthened alloy determined from the microstructure, composition, and heat treatment. The precipitates in the microstructure which impede dislocation motion and control the precipitation strengthening response as a function of the aging ...
James M. Fragomeni, Ben M. Hillberry
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Abstract A model was developed for predicting the precipitation hardening response of a particle strengthened alloy determined from the microstructure, composition, and heat treatment. The precipitates in the microstructure which impede dislocation motion and control the precipitation strengthening response as a function of the aging ...
James M. Fragomeni, Ben M. Hillberry
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Precipitation Strengthened Spring Steel for Automotive Suspensions
SAE Technical Paper Series, 1982<div class="htmlview paragraph">The addition of a small amount of vanadium and columbium. into SAE 9260 was found to give the steel excellent sag resistance, caused by the precipitation strengthening of V and Cb. The precipitation strengthening enhances the yield strengths in tension and torsion obtained from the specimens with various tempered ...
Toshiro Yamamoto +3 more
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Maps of intragranular precipitation strengthening
Czechoslovak Journal of Physics, 1985Maps of strengthening by small (semi)coherent precipitates homogeneously dispersed in the grains have been constructed. They can show the most probable dislocation-particle interaction mechanism and the strengthening effect of a given dispersion of particles. As an application, the effect ofγ′-Ni3(Al, Ti) and M23C6 precipitation in austenitic steels is
A. Orlová, J. Čadek
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Synergistic precipitation strengthening in TiAl alloys
Applied Physics Letters, 2006Precipitation of creep-life enhancing H carbides and ζ silicides occurring during α2 dissolution in fully lamellar (α2+γ)-TiAl (alloyed with carbon and silicon) were studied by transmission electron microscopy. The α2→(γ+precipitate) transformation reaction consisted of the following sequence: α2 dissolution by ledge mechanism, silicide precipitation ...
M. Karadge, Y.-W. Kim, P. I. Gouma
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DISPERSION-STRENGTHENED IRON BY GEL PRECIPITATION
Powder Metallurgy, 1973Metastable iron oxide particles containing calcium, magnesium, or zirconium in solid solution were produced by the gel precipitation method. These were reduced to metal with hydrogen/nitrogen mixtures in a fluidized-bed furnace at 800°C to yield iron powders containing dispersed oxide phases within each iron particle.
M. R. James, J. R. Moon
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Strengthening Mechanisms in γ′ Precipitating Alloys
Metal Science Journal, 1970The mechanical properties of several austenitic steels containing γ′ precipitate have been studied.
D. Raynor, J. M. Silcock
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Precipitation strengthening of binary AlLi alloys by δ′ precipitates
Materials Science and Engineering: A, 1988Abstract The published data on the strengthening of binary AlLi alloys by δ′ precipitates are analyzed according to a recent version of the theory of order strengthening. The results are found to agree with the data provided that the antiphase boundary energy γapb on {111} is assigned a value in the range 0.140–0.160 J m−2.
J.C. Huang, A.J. Ardell
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Effect of Deformation on Precipitation-Strengthening
Metal Science, 1974AbstractThe effect of deformation after quenching but before ageing on the age-hardening of several aluminium alloys has been investigated. The changes in hardness, tensile properties, and microstructure during ageing have been recorded. It has been found that, in addition to the work-hardening effect, alloys exhibiting heterogeneous nucleation display
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Strengthening of Ferrite by Vanadium Carbide Precipitation
Metal Science Journal, 1973AbstractWhen iron–vanadium–carbon alloys are transformed from the γ to the α state, a banded dispersion of vanadium carbide is formed as the transformation fronts move through the crystals. The strengthening resulting from this reaction in a series of alloys isothermally transformed in the range 725–850° C is shown to be dependent on the transformation
A. D. Batte, R. W. K. Honeycombe
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Precipitation strengthening in multi-particle systems
2014Kurzfassung Die vorliegende Dissertation beschreibt die Hauptaspekte eines physikalischen Modells f r Ausscheidungsh rtung in kristallinen Werkstoffen. F r die Evaluierung des Anstiegs der Streckgrenze wird ein System von Gleichungen abgeleitet, basierend auf der Interaktion zwischen Versetzungen und Ausscheidungen. Verschiedene Schermechanismen und
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