XRD patterns of the ribbons. (a) as-spun, (b) nonaged, and (c) aged for .
TEM micrographs of the melt-spun and precipitation-hardened ribbons. (a) as-spun, (b) without isothermal aging, and (c) and (d) one 1:7 region of (b) which observed perpendicular and parallel to the axis, respectively.
Typical selected area diffraction pattern from an area with a diameter of of the ribbons without isothermal aging, .
Room-temperature demagnetization curves of the ribbons after being aged for different time.
TEM micrograph of the precipitation-hardened ribbons after being aged for .
Temperature dependences of remanence and coercivity of the precipitation-hardened ribbons without isothermal aging.
Minor hysteresis loops at RT for the ribbon with increasing the maximum applied field.
Coercivity vs maximum applied field of the precipitation-hardened ribbons without isothermal aging. The coercivity obtained from the minor loop. represents the values obtained in the second quadrant and those in the fourth quadrant.
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