martensitic transformations
The effect of multiple martensitic transformations on diffusion of Fe and Ni atoms in Fe 31 7%Ni 0 06%C alloy
... in solids. The contribution of dislocations to the total dif- fusion flow must be considered mainly at temperatures below 0.5 of melting point. Analysis of experimental data by different authors shows that diffusion ...
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Massive and martensitic transformations in very dilute iron-carbon alloys.
... and martensitic reactions in pure iron have not been agreed upon because it has been particularly difficult to obtain "pure" iron free from the influence of carbon, an element that greatly influences these ...
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Effect of Hydrostatic Pressure on P 14M 2M and P 2M Martensitic Transformations in Single Crystalline Ni Mn Ga Ferromagnetic Shape Memory Alloys
... on martensitic transformation is very important to understand the basic problems of the transformation, such as thermodynamics, kinetics and origin of the ...on martensitic transformations are made ...
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Structure fragmentation in Fe based alloys by means of cyclic martensitic transformations of different types
... γ-ε′ martensitic transformations took place dur- ing cooling in liquid nitrogen but reverse α-γ, ε-γ, and ε′-γ transformations during heating of quenched alloys in a saline bath at the rate of 60 ...
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THE FORTY SEVENTH GOLD MEDALIST OF THE JAPAN INSTITUTE OF METALS, 2002 Martensitic Transformations: Microstructures and Uniaxial Stress, Magnetic Field and Hydrostatic Pressure Effects*
... on martensitic transformations, which were investigated by the author, are briefly ...whether martensitic nuclei are indeed grown from precursory strained regions in matrix phases should be ...for ...
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Distinction between Thermal and Stress Induced Martensitic Transformations and Inhomogeneity in Internal Stress
... A concept of inhomogeneous internal stress called shape change stress (SCS) was introduced in martensitic transformations (MTs). The SCS was considered to be required because martensite plates formed on ...
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Martensitic Transformations and Superelastic Behavior at Low Temperatures in Ti50−xNi40+xCu10 Shape Memory Alloys
... at 133 K. Although the I phase in x = 1.6 should exist in the temperature region from 225 to 260 K, as shown in Fig. 1(b), no obvious change in the diffraction patterns was observed. The reason why the parent phase and ...
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Effect of Internal Strain on Martensitic Transformations in NiTi Shape Memory Alloys
... in the sample. We were not able to directly localize the R- phase due to small distances between the R-phase and matrix spots. They are too small to separate the R-phase spot by the objective aperture and take the dark ...
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Simulation of the Si Precipitation Process in Mg2Si Using a Phase Field Kinetic Model
... The morphology of second phase precipitation in many materials and alloys has been studied.2 For example, the phase-field model was used to simulate martensitic transformations in the po[r] ...
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High Temperature Thermomechanical Properties of Titanium-Rhodium-based Alloys Containing Scandium20-30
... undergo martensitic transformation, which may be accompanied by a shape memory ...two martensitic transformations at high temperature, for one of which the shape memory effect has been observed, but ...
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Martensitic Transformation in Shape Memory Alloys under Magnetic Field and Hydrostatic Pressure
... on martensitic transformations is very important to understand the essential problems of the transformation, such as thermodynamics, ki- netics and the origin of the transformation, whose informa- tion is ...
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Martensitic Transformation and Superelasticity of Ti Nb Pt Alloys
... and martensitic transformation of Ti-Nb-Pt alloys were investigated in order to develop Ni-free biomedical superelastic ...The martensitic transformation temperature decreases by about 160 K with a 1 at% ...
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Ultrasonic Evaluation of Temper Embrittlement for Martensitic Stainless Steel
... The data of the mechanical properties of the as-cast, as quenched, and tempered MSS materials in this research are listed in Table 1 and depicted in Fig. 5. Due to the existence of Cr-rich carbide films around ...
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Cyclic Asymmetry Behavior of Martensitic Steels at High Temperatutres
... In this work, a detailed investigation on the tension compression asymmetry behavior during fatigue deformation for a martensitic steel under strain controlled conditions at high temperatures was carried out. The ...
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Interplay of Martensitic Phase Transformation and Plastic Slip in Polycrystals
... the martensitic volume fraction (summed over all variants) near the beginning of the simulation; the upwards-travelling elastic precursor is visible in stress plot, with no evolution in the kinetic ...
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Phonon Precursors to the High Temperature Martensitic Transformation in Ti50Pd42Cr8
... Inelastic neutron scattering measurements were carried out on the Ti50Pd50-xCrx alloy, which has the potential for being a high temperature shape memory material. For x=0, the transformation temperature is ~800K and for ...
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Substitution relations for Laplace transformations
... A substitution theorem for the Laplace transformation and its generalization to transformations with symmetric kernel, Pacific J.. Substitution formulas for Laplace transformations, Math[r] ...
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ONE-TO-ONE NONLINEAR TRANSFORMATION OF THE SPACE WITH IDENTITY PLANE
... such transformations is relevant both in theoretical terms and in terms of application for constructing the technical forms of parts and aggregates, construction machines run- ning in the flow of liquid or gas ...
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SMART CITY PLANNING FOR ENERGY, TRANSPORTATION AND SUSTAINABILITY OF THE URBAN SYSTEM Special Issue, June 2014
... urban transformations contains all the perimeters and the information previously ...of transformations that may be consulted to produce the representations related to the interventions that the user wants ...
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Generally Covariant Hamiltonian Approach to Generalized Harmonic Formulation of General Relativity.
... under a general class of coordinate transformations, the foliation preserving transformations, which consist of time reparameterization and time dependent spatial diffeomorphisms. General covariance was one ...
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