Lattice parameter of the A1 phase in powders milled for dependent on Pt concentration (obtained by Rietveld refinement of x-ray diffraction data).
Three-dimensional plots of the neutron diffraction patterns as a function of temperature for powders milled for (a) , (b) , and (c) . Indicated are the diffraction peaks corresponding to the phases observed.
The fraction of the phases observed upon heating in powders milled for .
Neutron diffraction pattern of the milled powder recorded at during heating. Shown are the measured (circle) and calculated (line) profiles and the difference between the observed and calculated intensities (lower line). The vertical bars represent the Bragg reflection positions of the observed phases (from top to bottom: , , , , A1, and Pt).
The fraction of the phases observed on heating powders milled for .
The fraction transformed on heating in powders milled for 2, 4, and .
The fraction transformed on heating in powders (, 45, 50, and 55) milled for .
Evolution of the lattice constants, and , in powders upon (1) the first heating up to and (2) the second heating up to followed by cooling down to room temperature.
DSC traces for (a) powders milled for 2, 4, and and (b) (, 45, 50, and 55) powders milled for (heating rate of ).
The LRO parameter of the phase determined at room temperature as a function of annealing time at (closed symbols) and (open symbols) for powders milled for (stars) and (squares).
The onset temperature of the transformation , the transformation peak temperature , the enthalpy change , the Curie temperature of the phase determined from the DSC measurements at a rate of , and the transformation activation energy for the powders milled for a given time .
Results of the crystal structure refinement using x-ray diffraction data for the (, 45, 50, and 55) alloys milled for after heat treatment: phase fraction (also compared to room temperature neutron data collected after heat treatment), lattice constants and , site occupation , LRO parameter , and agreement factors and .
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