Abstract
Fe based (Fe<TEX>$_{68.2}$</TEX>C<TEX>$_{5.9}$</TEX>Si<TEX>$_{3.5}$</TEX>B<TEX>$_{6.7}$</TEX>P<TEX>$_{9.6}$</TEX>Cr<TEX>$_{2.1}$</TEX>Mo<TEX>$_{2.0}$</TEX>Al<TEX>$_{2.0}$</TEX>) amorphous powder, which is a composition of iron blast cast slag, were produced by a gas atomization process, and sequently mixed with ductile Cu powder by a mechanical ball milling process. The experiment results show that the as-prepared Fe amorphous powders less than 90 <TEX>$\mu$</TEX>m in size has a fully amorphous phase and its weight fraction was about 73.7%. The as-atomized amorphous Fe powders had a complete spherical shape with very clean surface. Differential scanning calorimetric results of the as-atomized Fe powders less than 90 <TEX>$\mu$</TEX>m showed that the glass transition, T<TEX>$_g$</TEX>, onset crystallization, T<TEX>$_x$</TEX>, and super-cooled liquid range <TEX>$\Delta$</TEX>T=T<TEX>$_x$</TEX>-T<TEX>$_g$</TEX> were 512, 548 and 36<TEX>$^{\circ}C$</TEX>, respectively. Fe amorphous powders were mixed and deformed well with 10 wt.% Cu by using AGO-2 high energy ball mill under 500 rpm.
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