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(Color online) SEM images of a BMG foam. Pores are uniformly distributed throughout the sample. The volume fraction of porosity is around 40% with an average size of . (a) Macrostructure of Ni-based BMG foam. (b) Longitudinal image of Ni-based BMG foam. (c) Transverse cross-sectional image of Ni-based BMG foam.
(Color online) (a) X-ray diffraction pattern from BMG foam and (b) DSC traces from as-atomized powder and BMG foam; heating rate was .
(Color online) (a) Compressive stress-strain curves from BMG foam. Strain rate was . Solid curve is from a sample loaded to 1 where test was stopped due to an instrument-limited load drop of 30%. The dotted curve is from a second sample loaded until deviation from linear stress-strain behavior occurred, 2. SEM images in (b) and (c) show the structures of the samples after the two different loading conditions.
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